いわ磯蚯蚓 いそめじゃありませんでした
iwaisomejārimasendeshita

Noun
Desu Copula

The polite, past negative form of 岩磯蚯蚓

1. It was not an isopod.; It was not a rock isopod worm.

Past/Perfective
Negative
Polite
Terminal Form