ネズミザメalso: ねずみざめMeanings1nounsalmon sharkusually written using kana aloneA species of mackerel shark (Lamna ditropis) found in the North Pacific; the name is a standard Japanese common name.ネズミザメはサケを捕ほ食しょくすることで知しられている。The salmon shark is known for preying on salmon.