Ma'anar ƙamus na kalmar "Esox americanus" tana nufin nau'in kifi na ruwa wanda aka fi sani da "redfin pickerel." Wannan nau'in na dangin Esocidae ne kuma asalinsa ne a gabashin Arewacin Amirka, ciki har da yankin Great Lakes, kogin Mississippi, da kuma Tekun Tekun Atlantika. Redfin pickerel yawanci kanana ne zuwa matsakaicin kifaye, suna girma zuwa matsakaicin tsayin kusan cm 30 (inci 12). Masu cin nama ne masu cin naman dabbobi iri-iri, da suka hada da kifi, kwari, da crustaceans.