イガイダマシ

Meanings

1

black-striped mussel (Mytilopsis sallei)

usually written using kana alone

A specific marine bivalve species; primarily used in biological contexts.

イガイダマシは外がい来らい種しゅとして日本にほんの沿えん岸がんで見みられることがある。
The black-striped mussel is sometimes found along the Japanese coast as an invasive species.