JP2739194B2 - Crab breeding equipment - Google Patents

Crab breeding equipment

Info

Publication number
JP2739194B2
JP2739194B2 JP6053344A JP5334494A JP2739194B2 JP 2739194 B2 JP2739194 B2 JP 2739194B2 JP 6053344 A JP6053344 A JP 6053344A JP 5334494 A JP5334494 A JP 5334494A JP 2739194 B2 JP2739194 B2 JP 2739194B2
Authority
JP
Japan
Prior art keywords
breeding
crab
tank
water
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP6053344A
Other languages
Japanese (ja)
Other versions
JPH07255315A (en
Inventor
文慶 林
義功 越川
信夫 柵瀬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kajima Corp
Original Assignee
Kajima Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kajima Corp filed Critical Kajima Corp
Priority to JP6053344A priority Critical patent/JP2739194B2/en
Publication of JPH07255315A publication Critical patent/JPH07255315A/en
Application granted granted Critical
Publication of JP2739194B2 publication Critical patent/JP2739194B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Farming Of Fish And Shellfish (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、カニ、特にスナガニ類
の飼育装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for rearing crabs, particularly crabs.

【0002】[0002]

【従来の技術】沿岸開発による干拓や埋立てにより干潟
の多くが消滅したが、近年、自然環境保護の観点から、
干潟の復元や造成が望まれている。この人工干潟造成、
干潟復元のための技術開発の一つとして、かかる干潟に
生息するスナガニ類の生息環境の研究やカニによる干潟
環境への寄与、カニの種の保存技術などの研究が行われ
ようとしている。
2. Description of the Related Art Most of the tidal flats have disappeared due to reclamation and reclamation by coastal development, but in recent years, from the viewpoint of protecting the natural environment,
Restoration and creation of tidal flats are desired. This artificial tidal flat creation,
As one of the technological developments for the restoration of tidal flats, research on the habitat environment of the crabs living in such tidal flats, contribution to the tidal flat environment by crabs, and research on the preservation technology of crab seeds are going to be conducted.

【0003】しかし、従来はスナガニ類の飼育装置とし
て確立されたものはなく、例えば水族館で見られるよう
な水槽内に泥や海水を入れた程度のものしか存在しなか
った。
However, there has been no established crab crab breeding device, and only a device having mud or seawater in an aquarium as found in, for example, an aquarium has been available.

【0004】[0004]

【発明が解決しようとする課題】このように特に干潟に
生息するスナガニ類の飼育装置として専用のものがなか
ったため、スナガニ類の生態を充分研究することが困難
で、その結果、スナガニ類が生息する人工干潟造成や干
潟復元のための技術開発、さらに、沿岸・河口工事のた
めの一時的なカニの飼育保護、沿岸資源維持や保護事
業、水族館や他の教育機関の展示設備カウンセリングな
ども充分に行えなかった。
As there is no dedicated device for raising crabs, especially in tidal flats, it is difficult to sufficiently study the ecology of crabs. As a result, the crabs grow inhabited. Technology to develop artificial tidal flats and restore tidal flats, as well as temporary crab breeding protection for coastal and estuary construction, coastal resource maintenance and protection projects, and counseling for display facilities at aquariums and other educational institutions Could not be done.

【0005】本発明の目的は前記従来例の不都合を解消
し、スナガニ類の生態の研究を充分に行うことができ、
人工干潟造成や干潟復元のための技術開発、さらに、沿
岸・河口工事のための一時的なカニの飼育保護、沿岸資
源維持や保護事業、水族館や他の教育機関の展示設備カ
ウンセリングなどに寄与できるカニ飼育装置を提供する
ことにある。
[0005] An object of the present invention is to solve the above-mentioned disadvantages of the prior art, and to sufficiently study the ecology of the crabs.
Contribute to the development of artificial tidal flats and the development of tidal flat restoration technologies, as well as temporary crab breeding protection for coastal and estuary construction, coastal resource maintenance and protection projects, and display equipment counseling for aquariums and other educational institutions. A crab breeding device is provided.

【0006】[0006]

【課題を解決するための手段】本発明は前記目的を達成
するため、第1に、底質と海水とを収容した飼育槽を斜
設し、このうち底質は、飼育槽の傾斜の高い方の箇所に
粒径 0.125mm以上の砂を収容した砂地による飼育区と、
低い方の箇所に粒径 0.063mm以下の土を収容した泥地に
よる飼育区とに区分し、いずれも深さを10cm以上に形成
し、一方、空調装置に接続したダクトを飼育槽の上方に
開口し、ポンプを配設した貯水槽を注水管を介して飼育
槽に接続し、水温制御装置を貯水槽に接続したことを要
旨とするものである。
According to the present invention, in order to achieve the above object, first, a breeding tank containing sediment and seawater is obliquely provided, and the sediment has a high inclination of the breeding tank. A breeding area with sandy land containing sand with a particle size of 0.125 mm or more in one place,
The lower part is divided into a muddy breeding area that contains soil with a particle size of 0.063 mm or less, and each is formed to a depth of 10 cm or more, while the duct connected to the air conditioner is placed above the breeding tank. The gist of the present invention is that a water tank having an opening and a pump is connected to a breeding tank via a water injection pipe, and a water temperature control device is connected to the water tank.

【0007】第2に、ポンプにタイマを接続し、潮汐の
満ち引きとほぼ同時間毎にタイマの出力によりポンプを
オンオフして貯水槽から飼育槽への注水と排水を行うよ
う制御することを要旨とするものである。
Secondly, a timer is connected to the pump, and the pump is turned on / off by the output of the timer at approximately the same time as the ebb and flow of the tide to control the water supply from the water storage tank to the breeding tank and drainage. It is an abstract.

【0008】第3に、飼育槽の上方に、12時間毎にオン
オフする照明具を配設することを要旨とするものであ
る。
Third, the gist of the present invention is to provide a lighting device that is turned on and off every 12 hours above the breeding tank.

【0009】第4に、ブロワーを飼育槽と貯水槽にそれ
ぞれ接続することを要旨とするものである。
Fourthly, the gist is to connect the blower to the breeding tank and the water tank, respectively.

【0010】第5に、底質の底部に水抜き管を埋設した
ことを要旨とするものである。
Fifth, the gist of the present invention is that a drain pipe is buried in the bottom of the sediment.

【0011】第6に、注水管の先端の注水口は飼育槽の
底部に下方に向けて開口し、該注水口近傍の注水管をカ
ニ進入防止用の篭体で覆うことを要旨とするものであ
る。
Sixth, the water inlet at the tip of the water inlet pipe is opened downward at the bottom of the breeding tub, and the water inlet pipe near the water inlet is covered with a cage for preventing crab from entering. It is.

【0012】第7に、飼育槽の周囲に反射鏡を配設した
ことを要旨とするものである。
Seventh, the gist is that a reflecting mirror is provided around the rearing tank.

【0013】[0013]

【作用】請求項1記載の本発明によれば、底質と海水と
を収容した飼育槽を斜設することで、干潟と同様の傾斜
した地形を形成でき、空調装置によって飼育槽周囲の気
温を干潟における自然環境に近いものにでき、また、水
温制御装置によって飼育槽に送る貯水槽内の海水の温度
を干潟の海水温度と同様の温度に設定でき、さらに、注
水管によって海水を飼育槽に出入れすることで、干潟に
おける潮の満ち引きと同様の作用が行え、カニを自然の
干潟に近い状態で飼育できる。
According to the first aspect of the present invention, an inclined terrain similar to a tidal flat can be formed by sloping a breeding tank containing sediment and seawater, and the air temperature around the breeding tank is controlled by an air conditioner. The temperature of the seawater in the storage tank sent to the breeding tank can be set to the same temperature as the seawater temperature of the tidal flat by the water temperature control device, and the seawater can be raised by the water injection pipe. By entering and exiting the crab, the same effect as the ebb and flow of the tide in the tidal flat can be performed, and the crab can be raised in a state close to the natural tidal flat.

【0014】これに加えて、底質を砂地と泥地との飼育
区に区分したことで、例えばチゴガニを泥質域に、コメ
ツキガニを砂質域に収容することによって、多様種類の
カニ類を飼育できる。
[0014] In addition, by dividing the sediment into a breeding zone of sandy land and muddy land, for example, a variety of crabs can be stored by storing a crab in a muddy area and a paddy crab in a sandy area. Can be bred.

【0015】請求項2記載の本発明によれば、前記作用
に加えて、潮汐の満ち引きとほぼ同時間毎にタイマの出
力によりポンプをオンオフして貯水槽から飼育槽への注
水と排水を行うよう制御するから、飼育槽内をより自然
の干潟に近い状態にできる。
According to the second aspect of the present invention, in addition to the above operation, the pump is turned on / off by the output of the timer at substantially the same time as the ebb and flow of the tide, so that the water is injected from the water storage tank to the breeding tank and drainage is performed. Since it is controlled to be performed, the inside of the breeding tank can be made closer to a natural tidal flat.

【0016】請求項3記載の本発明によれば、前記作用
に加えて、飼育槽の上方に配設した照明具を12時間毎に
オンオフすることで、昼夜の別も形成できる。
According to the third aspect of the present invention, in addition to the above-described operation, by turning on / off the lighting device disposed above the breeding tub every 12 hours, it is possible to form a day / night distinction.

【0017】請求項4記載の本発明によれば、前記作用
に加えて、ブロワーで貯水槽内に空気を送ることで飼育
水に空気を含ませることができ、また、飼育槽に空気を
送ることでエアバブルカーテンを形成でき、泥土及びカ
ニの流出を防止できる。
According to the fourth aspect of the present invention, in addition to the above operation, air can be contained in the breeding water by sending air into the water storage tank with a blower, and air is sent to the breeding tank. Thus, an air bubble curtain can be formed, and outflow of mud and crab can be prevented.

【0018】請求項5記載の本発明によれば、前記作用
に加えて、底質の底部に水抜き管を埋設することで、泥
土中に嫌気層(無酸素状態)の形成が防げる。
According to the fifth aspect of the present invention, in addition to the above-mentioned functions, the formation of an anaerobic layer (anoxic state) in the mud can be prevented by burying a drainage pipe in the bottom of the sediment.

【0019】請求項6記載の本発明によれば、前記作用
に加えて、注水管の先端の注水口は飼育槽の底部に下方
に向けて開口したから、ポンプを停止すれば、サイホン
作用によって飼育槽内の海水は注水管を通って自然に貯
水槽に戻る。また、注水口近傍の注水管を篭体で覆うこ
とで、カニが注水口に進入することを防止できる。
According to the sixth aspect of the present invention, in addition to the above operation, the water injection port at the tip of the water injection pipe is opened downward at the bottom of the breeding tub. The seawater in the breeding tank returns to the water tank naturally through the irrigation pipe. In addition, by covering the water inlet pipe near the water inlet with the basket, it is possible to prevent the crab from entering the water inlet.

【0020】請求項7記載の本発明によれば、前記作用
に加えて、飼育槽の周囲に配設した反射鏡によって、カ
ニの行動を全角度から常時観察できる。
According to the seventh aspect of the present invention, in addition to the above-described operation, the behavior of the crab can be constantly observed from all angles by the reflector disposed around the rearing tank.

【0021】[0021]

【実施例】以下、図面について本発明の実施例を詳細に
説明する。図1は本発明のカニ飼育装置の実施例を示す
斜視図、図2は同上正面図で、図中1は基台20上に自然
の干潟と同様の傾斜、例えば4〜6度の傾きで斜設した
飼育槽を示し、この飼育槽1内に底質と海水21を収容す
る。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the crab breeding apparatus of the present invention, and FIG. 2 is a front view of the same, in which 1 is a slope similar to a natural tidal flat, for example, 4 to 6 degrees, on a base 20. This figure shows a slanted breeding tank, in which sediment and seawater 21 are stored.

【0022】底質は、多様種類のカニ類に対応できるよ
う、例えば飼育槽1の傾斜の高い方の箇所に粒径 0.125
mm以上の砂を収容した砂地4による飼育区と、低い方の
箇所に粒径 0.063mm以下の土を収容した泥地5による飼
育区とに区分し、いずれも底質の深さは10cm以上に形成
する。
In order to cope with various kinds of crabs, for example, the sediment has a particle size of 0.125 at the higher slope of the rearing tank 1.
The breeding area is a sandy area 4 containing sand of at least mm and a muddy area 5 containing soil of 0.063 mm or less in the lower part. Formed.

【0023】また、底質の底部に水抜き管8を傾斜方向
にそって複数本埋設する。この水抜き管8は、例えば塩
ビ管に多数の小孔を穿設して形成する。
A plurality of drainage pipes 8 are buried in the bottom of the sediment along the inclined direction. The drainage pipe 8 is formed by, for example, drilling a number of small holes in a PVC pipe.

【0024】海水21の塩分は、例えば 1.0〜 3.5%、pH
7.8 〜 8.6とする。なお、図中9は泥止めのブロックを
示す。
The salt content of the seawater 21 is, for example, 1.0 to 3.5%, pH
7.8 to 8.6. In addition, 9 in a figure shows the block of the mud stop.

【0025】かかる飼育槽1の近傍に空調装置2を設置
し、該空調装置2に接続するダクト2aの先端を飼育槽
1の上方に開口する。
An air conditioner 2 is installed near the breeding tub 1, and the end of a duct 2 a connected to the air conditioned device 2 is opened above the breeding tub 1.

【0026】注水ポンプ13を配設した貯水槽12を注水管
12aを介して飼育槽1内の底質のない部分に開口する。
この場合、注水管12aの先端の注水口6は飼育槽1の底
部に下方に向けて開口し、該注水口6の近傍の注水管12
aをカニ進入防止用の網篭19で覆う。
The water storage tank 12 provided with the water injection pump 13 is connected to a water injection pipe.
An opening is provided in the breeding tub 1 through a portion 12b without a bottom material.
In this case, the water inlet 6 at the tip of the water inlet pipe 12a is opened downward at the bottom of the breeding tub 1, and the water inlet 12 near the water inlet 6 is provided.
a is covered with a net basket 19 for preventing crab entry.

【0027】この貯水槽12の容量は、例えば飼育槽1を
「1」とする場合、「3」の比に設定し、該貯水槽12に
水温制御装置14を接続する。
For example, when the capacity of the breeding tub 1 is “1”, the capacity of the cistern 12 is set to a ratio of “3”, and the water temperature control device 14 is connected to the cistern 12.

【0028】前記注水ポンプ13には、タイマ17を接続
し、潮汐の満ち引きとほぼ同時間である例えば2時間と
10時間毎に注水ポンプ13がオンオフして貯水槽12から飼
育槽1への注水と排水を行うよう制御する。
A timer 17 is connected to the water injection pump 13 so that the time is about the same as the tide ebb and flow, for example, 2 hours.
The water injection pump 13 is turned on and off every 10 hours to control the water injection from the water storage tank 12 to the breeding tank 1 and drainage.

【0029】また、飼育槽1内の底質のない部分に、飼
育槽1内の水位が一定以上にならなすように保持するた
めのオーバーフロー管としての排水管7を開口し、該排
水管7の他端を貯水槽12に開口する。
A drain pipe 7 as an overflow pipe for maintaining the water level in the breeding tub 1 at a certain level or more is opened in a portion of the breeding tub 1 having no sediment. The other end is opened to the water tank 12.

【0030】さらに、貯水槽12の近傍にブロワー15を設
け、該ブロワー15に接続するエアレション16を貯水槽12
内に設置するとともに、送気管15aを飼育槽1内のブロ
ック9に併設して、泥地5による飼育区の下流側にエア
バブルカーテン11を形成する。
Further, a blower 15 is provided in the vicinity of the water tank 12, and an aeration 16 connected to the blower 15 is connected to the water tank 12.
And an air supply pipe 15a is provided alongside the block 9 in the breeding tub 1 to form an air bubble curtain 11 on the downstream side of the breeding area by the swamp 5.

【0031】飼育槽1の上方に12時間毎にオンオフする
照明具3を配設し、飼育槽1の左右両側方と上方とにマ
ジックミラーなどによる反射鏡10を配設した。
A lighting device 3 which is turned on and off every 12 hours is provided above the breeding tub 1, and a reflecting mirror 10 such as a magic mirror is provided on both left and right sides and above the breeding tub 1.

【0032】図中、18はコンセントを示す。In the figure, reference numeral 18 denotes an outlet.

【0033】次に使用法について説明する。貯水槽12内
の飼育水の飼育水温を水温制御装置14によって、常に一
定の水温、例えば15℃〜35℃に設定し、注水ポンプ13を
作動してこの飼育水である海水21を注水管12aを介して
飼育槽1に注水する。飼育槽1内の水位が所定値に達す
ると、排水管6から余分の飼育水はオーバーフローして
貯水槽12に戻り、飼育槽1内の水位は所定に保持され
る。
Next, the usage will be described. The breeding water temperature of the breeding water in the water storage tank 12 is always set to a constant water temperature, for example, 15 ° C. to 35 ° C. by the water temperature control device 14, and the water injection pump 13 is operated to feed the seawater 21 as the breeding water into the water supply pipe 12a. The water is poured into the breeding tank 1 via. When the water level in the breeding tub 1 reaches a predetermined value, excess breeding water overflows from the drain pipe 6 and returns to the water storage tank 12, and the water level in the breeding tub 1 is maintained at a predetermined level.

【0034】また、空調装置2を作動して、ダクト2a
により飼育槽1に送る空気の温度を所定温度、例えば15
℃〜35℃に制御するとともに湿度も自然の干潟環境に近
い値に制御する。
When the air conditioner 2 is operated, the duct 2a
The temperature of the air sent to the breeding tank 1 by a predetermined temperature, for example, 15
The temperature is controlled between ℃ and 35 ℃, and the humidity is controlled to a value close to the natural tidal flat environment.

【0035】こうして飼育水である海水21と底質とを収
容し、空間環境条件も自然の干潟に近いものに形成した
飼育槽1内にスナガニ類を収容する。ここで、スナガニ
類とは、スナガニ、シオマネキ、ハクセンシオマネキ、
ヒメシオマネキ、チゴガニ、ミナミチゴガニ、ハラグク
レチゴガニ、コメツキガニ、オサガニ、ヤマトオサガ
ニ、アリアケモドキなどであり、例えば、チゴガニは泥
質の飼育区である泥地5に、コメツキガニは砂質の飼育
区である砂地4に収容する。
The seawater 21 as the breeding water and the sediment are thus stored, and the crabs are stored in the breeding tank 1 formed in a space environment condition close to a natural tidal flat. Here, the crabs include the crab, crab, fiddler crab,
Burmese crab, strawberry crab, southern crab, harragure crab, sword crab, sasa crab, yamato saga crab, aria chemodoki, etc. Store in sandy area 4.

【0036】飼育槽1内に収容するカニの密度は、カニ
の大きさ(甲長など)によって決定し、例えば、チゴガ
ニの収容密度は、5mm甲長個体の場合で 200尾/m2
下である。
The density of the crab housed in the breeding tub 1 is determined by the size of the crab (such as the length of the crab). For example, the storage density of the crab is 200 fish / m 2 or less in the case of a 5 mm long crab. is there.

【0037】海水21の注水と排水は干潟における自然の
潮汐の満ち引きと同様に、タイマ17の出力により注水ポ
ンプ13を制御することで、例えば2時間と10時間毎に行
い、注入排出の速度は、砂地4や泥地5の表面土が攪拌
されたり、流されないような30〜40ml/秒で行う。
Injection and drainage of the seawater 21 are performed, for example, every 2 hours and 10 hours by controlling the injection pump 13 based on the output of the timer 17 in the same manner as when the natural tide of the tideland rises and falls. Is performed at a rate of 30 to 40 ml / sec so that the surface soil of the sand 4 or the mud 5 is not stirred or washed away.

【0038】この場合、注水口6は網篭19で覆ってある
から、注水口6にカニが入り込むことを防げる。
In this case, since the water inlet 6 is covered with the net basket 19, it is possible to prevent a crab from entering the water inlet 6.

【0039】排水は、注水ポンプ13を停止することによ
り行い、該ポンプ13が停止すると、飼育槽1の底部に開
口してある注水口6からサイホン現象によって飼育槽1
内の海水21は重力により注水管12aに自然に流れ込み、
貯水槽12に戻る。
The drainage is performed by stopping the water injection pump 13. When the pump 13 is stopped, the breeding tub 1 is opened by the siphon phenomenon through the water inlet 6 opened at the bottom of the breeding tub 1.
The seawater 21 inside naturally flows into the injection pipe 12a by gravity,
Return to the water tank 12.

【0040】そして、貯水槽12内の飼育水は、ブロワー
15によりエアレション16に送られる空気が混入し、新た
に空気を含んだものとなる。また、飼育槽1内にもブロ
ワー15から送られる空気によりエアバブルカーテン11が
形成され、泥地5及びカニの流出を防ぐ。
The breeding water in the water tank 12 is supplied to a blower.
The air sent to the aeration 16 is mixed by 15 and becomes fresh containing air. Also, an air bubble curtain 11 is formed in the breeding tank 1 by the air sent from the blower 15 to prevent the swamp 5 and the crab from flowing out.

【0041】こうして空気を含んだ飼育水が飼育槽1に
送られ、さらに底部に設けた水抜き管8によって泥地5
の底部の水抜きをよくすることで、ここに酸素状態の嫌
気層が形成されることを防ぐ。
The breeding water containing air is sent to the breeding tub 1 in this way, and is further drained by a drain pipe 8 provided at the bottom.
By improving the water drainage at the bottom, the formation of an oxygen-containing anaerobic layer is prevented.

【0042】さらに、照明具3を12時間毎にオンオフし
て昼夜の明暗を作り、自然の干潟環境に近いものを形成
する。なお、その照度は例えば 2000lux以上に設定す
る。
Further, the lighting equipment 3 is turned on and off every 12 hours to create light and darkness day and night, thereby forming an object close to a natural tidal flat environment. The illuminance is set to, for example, 2000lux or more.

【0043】以上のようにして、底質及びその傾斜角
度、飼育水の温度、飼育水の塩分の濃度、空気の温度及
び湿度、海水の注入排出のサイクルや速度などを飼育槽
1で自然の干潟に近いものに設定し、スナガニを飼育観
察する。
As described above, the sediment and its inclination angle, the temperature of the breeding water, the concentration of the salt of the breeding water, the temperature and humidity of the air, the cycle and speed of the seawater injection and discharge, etc. Set up close to the tidal flat and breed and observe the crab.

【0044】なお、スナガニは人や物の動く気配で巣孔
に逃げ込み隠れる習性があるが、飼育槽1の周囲に配設
したマジックミラーによる反射鏡10によりスナガニの生
態をくまなく観察できる。
Although the crabs have a habit of escaping and escaping into the burrow due to the signs of movement of people and objects, the ecology of the crabs can be thoroughly observed by the reflecting mirror 10 provided by the magic mirror disposed around the breeding tub 1.

【0045】[0045]

【発明の効果】以上述べたように本発明のカニ飼育装置
は、飼育槽の環境を自然の干潟の環境に近いものに形成
したから、スナガニ類の生態の研究を充分に行うことが
でき、人工干潟造成や干潟復元のための技術開発、さら
に、沿岸・河口工事のための一時的なカニの飼育保護、
沿岸資源維持や保護事業、水族館や他の教育機関の展示
設備カウンセリングなどに寄与できるものである。
As described above, the crab breeding apparatus of the present invention has a breeding tank environment close to that of a natural tidal flat, so that the ecology of the crabs can be sufficiently studied. Technology development for artificial tidal flat creation and tidal flat restoration, temporary crab breeding protection for coastal and estuary construction,
It can contribute to coastal resource maintenance and protection projects, counseling for exhibition facilities at aquariums and other educational institutions.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明のカニ飼育装置の実施例を示す斜視図で
ある。
FIG. 1 is a perspective view showing an embodiment of a crab breeding apparatus of the present invention.

【図2】本発明のカニ飼育装置の実施例を示す正面図で
ある。
FIG. 2 is a front view showing an embodiment of the crab breeding apparatus of the present invention.

【符号の説明】 1…飼育槽 2…空調装置 2a…ダクト 3…照明具 4…砂地 5…泥地 6…注水口 7…排水管 8…水抜き管 9…ブロック 10…反射鏡 11…エアバブル
カーテン 12…貯水槽 12a…注水管 13…注水ポンプ 14…水温制御装
置 15…ブロワー 15a…送気管 16…エアレション 17…タイマ 18…コンセント 19…網篭 20…基台 21…海水
[Description of Signs] 1 ... Breeding Tank 2 ... Air Conditioner 2a ... Duct 3 ... Lighting Equipment 4 ... Sandy Land 5 ... Muddy Land 6 ... Water Inlet 7 ... Drainage Pipe 8 ... Drainage Pipe 9 ... Block 10 ... Reflector 11 ... Air Bubble curtain 12 ... Reservoir 12a ... Irrigation pipe 13 ... Irrigation pump 14 ... Water temperature control device 15 ... Blower 15a ... Air supply pipe 16 ... Air ration 17 ... Timer 18 ... Outlet 19 ... Net basket 20 ... Base 21 ... Sea water

Claims (7)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 底質と海水とを収容した飼育槽を斜設
し、このうち底質は、飼育槽の傾斜の高い方の箇所に粒
径 0.125mm以上の砂を収容した砂地による飼育区と、低
い方の箇所に粒径 0.063mm以下の土を収容した泥地によ
る飼育区とに区分し、いずれも深さを10cm以上に形成
し、一方、空調装置に接続したダクトを飼育槽の上方に
開口し、ポンプを配設した貯水槽を注水管を介して飼育
槽に接続し、水温制御装置を貯水槽に接続したことを特
徴とするカニ飼育装置。
1. A breeding tank containing bottom sediment and seawater is inclined, and the bottom sediment is a sand breeding zone in which sand with a particle size of 0.125 mm or more is stored at a higher slope of the breeding tank. And a mud breeding area that contains soil with a particle size of 0.063 mm or less in the lower part, and each is formed to a depth of 10 cm or more, while the duct connected to the air conditioner is A crab breeding apparatus, characterized in that a water tank open upward and provided with a pump is connected to a breeding tank via a water injection pipe, and a water temperature control device is connected to the water tank.
【請求項2】 ポンプにタイマを接続し、潮汐の満ち引
きとほぼ同時間毎にタイマの出力によりポンプをオンオ
フして貯水槽から飼育槽への注水と排水を行うよう制御
する請求項1記載のカニ飼育装置。
2. The pump according to claim 1, wherein a timer is connected to the pump, and the pump is turned on / off by the output of the timer at approximately the same time as the ebb and flow of the tide, so as to perform water injection and drainage from the water storage tank to the breeding tank. Crab breeding equipment.
【請求項3】 飼育槽の上方に、12時間毎にオンオフ
する照明具を配設した請求項1記載のカニ飼育装置。
3. The crab breeding device according to claim 1, wherein a lighting device that is turned on and off every 12 hours is disposed above the breeding tank.
【請求項4】 ブロワーを飼育槽と貯水槽にそれぞれ接
続した請求項1記載のカニ飼育装置。
4. The crab breeding apparatus according to claim 1, wherein the blower is connected to the breeding tank and the water tank, respectively.
【請求項5】 底質の底部に水抜き管を埋設した請求項
1記載のカニ飼育装置。
5. The crab breeding apparatus according to claim 1, wherein a drainage pipe is buried in the bottom of the sediment.
【請求項6】 注水管の先端の注水口は飼育槽の底部に
下方に向けて開口し、該注水口近傍の注水管をカニ進入
防止用の篭体で覆う請求項1記載のカニ飼育装置。
6. The crab breeding apparatus according to claim 1, wherein the water inlet at the tip of the water inlet pipe is opened downward at the bottom of the breeding tub, and the water inlet pipe near the water inlet is covered with a cage for preventing crab entry. .
【請求項7】 飼育槽の周囲に反射鏡を配設した請求項
1記載のカニ飼育装置。
7. The crab breeding apparatus according to claim 1, wherein a reflector is provided around the breeding tub.
JP6053344A 1994-03-24 1994-03-24 Crab breeding equipment Expired - Lifetime JP2739194B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6053344A JP2739194B2 (en) 1994-03-24 1994-03-24 Crab breeding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6053344A JP2739194B2 (en) 1994-03-24 1994-03-24 Crab breeding equipment

Publications (2)

Publication Number Publication Date
JPH07255315A JPH07255315A (en) 1995-10-09
JP2739194B2 true JP2739194B2 (en) 1998-04-08

Family

ID=12940160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6053344A Expired - Lifetime JP2739194B2 (en) 1994-03-24 1994-03-24 Crab breeding equipment

Country Status (1)

Country Link
JP (1) JP2739194B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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KR100424452B1 (en) * 2002-01-22 2004-03-25 주식회사 그린뱅크 Water supplying system in a cistern type nursery
JP5181117B2 (en) * 2008-02-21 2013-04-10 長崎県 Mosquito aquaculture equipment and moss aquaculture method
KR100924883B1 (en) * 2009-03-20 2009-11-02 명노환 Method and apparatus for farming mitten crab
CN104186380B (en) * 2014-08-15 2017-02-01 奉化益珍海藻科技有限公司 High-efficiency crab seed breeding method for portunus trituberculatus through earth pond greenhouse facilities
CN104663539A (en) * 2015-01-29 2015-06-03 重庆鹏风农业开发有限公司 Hairy crab breeding method
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015997U (en) * 1973-06-08 1975-02-20
NO741508L (en) * 1974-04-25 1975-10-28 Hafslund Per

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107063627A (en) * 2017-02-15 2017-08-18 河海大学 A kind of undercurrent of adjustable way of supplying water exchanges sand box model
CN107063627B (en) * 2017-02-15 2019-04-26 河海大学 A kind of undercurrent exchange sand box model of adjustable way of supplying water

Also Published As

Publication number Publication date
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