鳃

鳃弓

sāi gōng

visceral arch (gill-bearing arch or its vestigial crease on sides of neck of vertebrates)

鳃裂

sāi liè

gill slit (in fish)

七鳃鳗

qī sāi mán

lamprey (jawless proto-fish of family Petromyzontidae)

瓣鳃纲

bàn sāi gāng

class of bivalves

羽鳃鲐

yǔ sāi tái

Indian mackerel