鮒

crucian carp (Carassius spp.)

funazushi; old-style fermented crucian carp sushi

(artificially cultured) Japanese crucian carp

Carassius buergeri

person or thing in imminent danger; fish on the chopping board

Carassius auratus grandoculis (subspecies of goldfish)

cowardly, good-for-nothing samurai from the countryside

Best season for eating them

crucian carp caught in midwinter

roundtail paradisefish (Macropodus ocellatus)

Carassius langsdorfii

Japanese crucian carp (Carassius cuvieri); white crucian carp

imminent danger; impending hardship