ハイレンMeanings1nounIndo-Pacific tarponusually written using kana aloneScientific name Megalops cyprinoides. A fish species; the name is typically written in katakana.ハイレンはインド太たい平へい洋よう地ち域いきに生せい息そくする魚さかなです。The Indo-Pacific tarpon is a fish that inhabits the Indo-Pacific region.