Epimenia verrucosa (a species of mollusc)
A specific marine mollusc; the name literally means 'shackle earthworm'. Used in taxonomic contexts.
Epimenia verrucosa is a species of mollusc found in the seas around Japan.
Specialized kanji spelling for a mollusc species; the first character 枷 is unusual in this context.
Mixed kana-kanji spelling; the kanji 蚯蚓 is itself rare for 'earthworm'.
Katakana spelling often used for biological species names.
The name 枷蚯蚓 (かせみみず) is a compound of 枷 (かせ, 'shackles') and 蚯蚓 (みみず, 'earthworm'), likely referring to the worm-like appearance with constrictions. The exact derivation is uncertain.