Ayumodoki - Ayumodoki (English name) kissing loach

Japanese: アユモドキ - あゆもどき(英語表記)kissing loach
Ayumodoki - Ayumodoki (English name) kissing loach

A freshwater fish belonging to the family Cobicidae, order Cypriniformes, class Osteichthyes. A species endemic to Japan, it is designated as a national natural monument. It has local names such as Aihada and Umi-dojo. It is found only in the Lake Biwa and Yodogawa water systems and in several rivers in Okayama Prefecture. It reaches a total length of 12 centimeters. Its body is laterally compressed, its snout is slightly pointed, and the rear edge of its tail fin is forked, unlike other species. Its body color is a light blue, giving it an overall appearance similar to that of ayu. It inhabits sunken reefs, sandy muddy bottoms with lots of boulders, and gravel bottoms, and feeds mainly on benthic animals such as chironomid larvae. It spawns from May to July.

[Yukio Sawada]

[Reference] | Loach
Major species of loach (specimen illustration)
© Tadaaki Ohkata ">

Major species of loach (specimen illustration)


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

硬骨魚綱コイ目ドジョウ科に属する淡水魚。日本特産種で、国の天然記念物に指定されている。アイハダ、ウミドジョウなどの地方名がある。琵琶湖(びわこ)淀川(よどがわ)水系および岡山県の数河川にのみ分布する。全長12センチメートルに達する。体は側扁(そくへん)し、吻(ふん)はややとがり、尾びれの後縁は他種と異なって二またになる。体色も蒼青(そうせい)色で、全体の感じがアユに似ている。沈礁、転石の多い砂泥底や砂礫(されき)底に生息し、ユスリカの幼虫などの底生動物を主として食べる。5~7月にかけて産卵する。

[澤田幸雄]

[参照項目] | ドジョウ
ドジョウのおもな種類〔標本画〕
©大片忠明">

ドジョウのおもな種類〔標本画〕


出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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