魚

ayu (Plecoglossus altivelis); sweetfish

river fish; freshwater fish

goldfish scooping; festival game in which participants try to catch goldfish in a shallow paper ladle

sleeping together in a huddle

white fish; fish with white flesh

icefish (Salangidae spp., esp. the Japanese icefish, Salangichthys microdon); noodlefish; whitebait

merman; half man-half fish

Idiomatic expression

someone who is in their element; fish that has found water

tropical fish

elongate ilisha (Ilisha elongata); Chinese herring

deep-sea fish

flounder (esp. the large-tooth flounders of family Paralichthyidae, but also lefteye flounders of family Bothidae)

bastard halibut; olive flounder (Paralichthys olivaceus)

person who sucks up to superiors; toady

cuttlefish; squid

skipjack tuna (Katsuwonus pelamis); oceanic bonito; victorfish

fresh fish

live fish

fresh fish

gadid (any fish of the family Gadidae, incl. cod, haddock, whiting and pollack)

Pacific cod (Gadus macrocephalus)

鼠頭魚 is gikun

sillago (any fish of genus Sillago, esp. the Japanese whiting, Sillago japonica)

goldfish bowl

Pacific saury (Cololabis saira); mackerel pike

large fish

feigning ignorance; feigning naivety; pretense of innocence

person (esp. a woman) pretending to be innocent, ignorant or naive; faux-naïf

Buddhism

fish gong; fish wood block; temple block; round, hollow, wood block (vaguely fish-shaped, usu. with scales), struck while chanting sutras

fry; juvenile fish; fingerling