六ろっ放ぽう海かい綿めん

noun

hexactinellid sponge; glass sponge

Scientific term for sponges of the class Hexactinellida, characterized by siliceous spicules. Used in biology and marine science contexts.

• 六ろっ放ぽう海かい綿めんは深しん海かいに生せい息そくするガラス質しつの骨こっ格かくを持もつ海かい綿めん動どう物ぶつです。

  Hexactinellid sponges are marine sponges with glassy skeletons that live in the deep sea.