noun
Glossogobius olivaceus; a species of goby
A specific goby species; the name is usually written in katakana.
ウロハゼは汽水域に生息するハゼの一種です。
The Glossogobius olivaceus is a type of goby that lives in brackish waters.
The name likely derives from うろ (hollow/cave) + はぜ (goby), referring to its habitat or appearance, but the exact origin is uncertain.