Gazi (English spelling) ocellated blenny

Japanese: ガジ - がじ(英語表記)ocellated blenny
Gazi (English spelling) ocellated blenny

A marine fish belonging to the order Perciformes and family Tauegaginidae. It is found in the east coast of the Korean Peninsula, the Sea of ​​Japan north of Toyama Prefecture, the Pacific coast north of Aomori Prefecture, the Sea of ​​Okhotsk in various parts of Japan, Sakhalin, the Sea of ​​Japan side of Russia, the Kuril Islands, Kamchatka, and other areas. Also known as Genna. Its body is laterally compressed and slender, with a slimy surface. Its dorsal fin is made up of only spines and is higher than its anal fin. It has no pelvic fins or lateral line. Its body is yellowish green and sometimes has net-like markings. It has five black spots on its dorsal fin. It is a small species that lives amongst seaweed along the coast, only reaching a total length of about 20 centimeters. It mainly feeds on amphipods and burrowing shrimps. Mature males have reddish bodies, and the net pattern on their body and the patterns on their dorsal and anal fins become more pronounced. The eggs are laid in clusters under stones or shells, and the female wraps her body around the egg mass to protect it. It is sometimes used as bait for fishing for rockfish and black rockfish. It is not eaten. It is easily confused with the closely related species O. tenuis , but O. tenuis has a white snout and six to seven black spots on its dorsal fin. Northern blenny fish such as the Taue blenny, the Striped blenny, the Nuime blenny, and the Nagazuka blenny are sometimes collectively called blenny fish.

[Kunio Amano]

Major species of blenny fish (specimen illustration)
© Tadaaki Ohkata ">

Major species of blenny fish (specimen illustration)


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

硬骨魚綱スズキ目タウエガジ科に属する海水魚。朝鮮半島東岸、富山県以北の日本海、青森県以北の太平洋岸およびオホーツク海の日本各地、樺太(からふと)およびロシアの日本海側、千島列島、カムチャツカなどの沿岸などに分布する。別名ゲンナ。体は側扁(そくへん)して細長く、体表はぬるぬるする。背びれは棘条(きょくじょう)だけからなり、臀(しり)びれより高い。腹びれと側線はない。体は黄緑色でときには網目状の斑紋(はんもん)がある。背びれに5個の黒斑がある。沿岸の海藻の間にすむ小形種で、全長20センチメートルくらいにしかならない。おもにヨコエビ類、ワレカラ類などを食べる。成熟した雄は体が赤みを帯び、体の網目模様や背びれと臀びれの模様が顕著になる。卵は塊になって石の下、貝殻などに産み付けられ、雌は体を卵塊に巻き付けて保護する。アイナメ、クロソイなどの釣りの餌(えさ)にすることもある。食用として利用されていない。近縁種のハナジロガジO. tenuisによく似ているため混同されやすいが、ハナジロガジは吻端(ふんたん)が白く、背びれに6~7個の黒斑があることで区別される。タウエガジ、ムスジガジ、ヌイメガジ、ナガヅカなど北方系のギンポ類を総称してガジ類とよぶこともある。

[尼岡邦夫]

ギンポのおもな種類〔標本画〕
©大片忠明">

ギンポのおもな種類〔標本画〕


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