Kusafugu - Kusafugu

Japanese: クサフグ - くさふぐ

This marine fish belongs to the order Tetraodontiformes and family Tetraodontiidae of the class Osteichthyes. It is found in areas south of Aomori Prefecture, as well as along the coasts of the Yellow Sea and East China Sea. It reaches a total length of 25cm, with small spines scattered on the back and ventral side of its body. The dorsal side of its body is grey-blue-green with numerous small white circular spots scattered on it, and the ventral side is white. The spawning season is from May to July, and they form large schools at high tide for several days before and after the spring tides to lay their eggs among pebbles on rocky shores. The ovaries, liver and intestines are highly toxic, the skin is highly toxic, and the flesh and testes are slightly toxic. They have a habit of burrowing into the sand, and also enter rivers.

[Keiichi Matsuura]

[Reference] | Pufferfish

Kusafugu (ecology)
The dorsal side of the body is grayish blue-green with numerous white dots scattered on it, and the ventral side is white. The ovaries, liver, and intestines are highly toxic, the skin is highly toxic, and the meat and testes are weakly toxic. © Underwater Fort Enterprise, Isamu Soyama ">

Kusafugu (ecology)

Spawning of the pufferfish (ecology)
A few days before and after the spring tide, large groups of them rush to the shore at high tide to spawn. The males release their sperm, making the seawater cloudy. © Underwater Fort Enterprise, Isamu Soyama ">

Spawning of the pufferfish (ecology)

Main species of pufferfish (1) [specimen illustration]
© Tadaaki Ohkata ">

Main species of pufferfish (1) [specimen illustration]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

硬骨魚綱フグ目フグ科に属する海水魚。青森県以南の各地、および黄海、東シナ海の沿岸に分布する。全長25センチメートルに達し、体の背面と腹面に小棘(しょうきょく)が散在する。体の背側は灰青緑色で多数の小白色円点が散在し、腹側は白い。産卵期は5～7月で、大潮の前後の数日間、満潮時に大群をなして岩礁性の海岸の小石の間に産卵する。卵巣、肝臓、腸に猛毒があり、皮膚に強毒、肉と精巣に弱毒がある。砂に潜る習性があり、河川にも入る。

［松浦啓一］

[参照項目] | フグ

クサフグ（生態）
体の背側は灰青緑色で多数の白色小点が散在し、腹側は白い。卵巣、肝臓、腸に猛毒、皮膚に強毒、肉と精巣に弱毒がある©水中フォート・エンタープライズ　楚山いさむ">

クサフグ（生態）

クサフグの産卵（生態）

フグ科のおもな種類(1)〔標本画〕

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