しまいしがにじゃありませんでした
縞石蟹じゃありませんでした
shimaishi ganijārimasendeshita

Noun
Desu Copula

The polite, past negative form of しまいしがに

1. Was not a striped stone crab.; Was not a banded crab.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana