noun
slender sunfish; oblong sunfish
A species of sunfish (Ranzania laevis).
クサビフグは世界中の温かい海に生息している。
The slender sunfish inhabits warm seas around the world.
The name combines 楔 (くさび, 'wedge') and 河豚 (ふぐ, 'pufferfish'), likely referring to its wedge-like body shape.