noun
striped eel catfish
A marine catfish with venomous spines; scientific name Plotosus lineatus. Often seen in schools near rocky shores.
from Latin Plotosus
ゴンズイの背びれには毒があるので、触らないでください。
The dorsal fin of the striped eel catfish is venomous, so please don't touch it.
磯でゴンズイの群れを見かけた。
I saw a school of striped eel catfish by the rocky shore.
The origin of the Japanese name ゴンズイ is uncertain. The kanji 権瑞 are ateji and do not reflect the etymology.