ヒレトガリザメMeanings1nounsicklefin weasel sharkA species of weasel shark (Hemigaleus microstoma) found in the Indo-West Pacific. Used in biological and zoological contexts.ヒレトガリザメはインド太たい平へい洋ように生せい息そくする小こ型がたのサメです。The sicklefin weasel shark is a small shark that inhabits the Indo-Pacific.