also: しまぞい
noun
threestripe rockfish
A species of rockfish (Sebastes trivittatus) found in the northwestern Pacific. The name is usually written in katakana.
北海道ではシマソイがよく釣れる。
Threestripe rockfish are often caught in Hokkaido.
The name likely derives from 縞 (shima, 'stripe') and ソイ (soi, a general term for rockfish), referring to the fish's striped pattern. The exact historical derivation is uncertain.