fish (CL:條|条[tiao2],尾[wei3]); used in the names of various aquatic animals that are not fish (including abalone 鮑魚|鲍鱼[bao4 yu2], alligators and crocodiles 鱷魚|鳄鱼[e4 yu2] and octopi 章魚|章鱼[zhang1 yu2])

shark

to fish (with line and hook); to angle; (fig.) to entrap; (Tw) to repeatedly nod one's head while dozing

whale; CL:條|条[tiao2]

alligator; crocodile (CL:條|条[tiao2])