刀魚

tapertail anchovy (Coilia ectenes) / various species of cutlassfish / saury

knife / blade / single-edged sword / cutlass / CL:把[ba3] / (slang) dollar (loanword) / classifier for sets of one hundred sheets (of paper) / classifier for knife cuts or stabs

surname Yu

fish / CL:條|条[tiao2],尾[wei3]