common freshwater goby; Gymnogobius urotaenia
A small freshwater goby found in Japan; often used as a general term for several Gymnogobius species.
floating goby; Gymnogobius petschiliensis
A specific species of goby; distinguished from the common ukigori by its more brackish habitat and slightly different morphology.
See also: スミウキゴリ
Gymnogobius opperiens
Another species in the Gymnogobius genus; less commonly encountered.
See also: シマウキゴリ
isaza goby; Gymnogobius isaza
A small goby endemic to Lake Biwa; sometimes considered a separate species or a subspecies of the common ukigori.
See also: イサザ
The ukigori is a small goby commonly found in Japanese rivers and lakes.
The sumi-ukigori, a type of floating goby, inhabits brackish waters.
The shima-ukigori is a species of the Gymnogobius genus with striped patterns on its body.
The isaza is an endemic species of Lake Biwa and a close relative of the ukigori.
floating goby
Gymnogobius opperiens; a species of goby
Usually written in katakana; the kanji form 浮鮴 is rare and mainly used in taxonomic contexts.
Kanji form; rarely used outside scientific literature.
The name likely derives from 浮く (uku, 'to float') and 鮴 (gori, an old term for small freshwater fish), referring to its habit of hovering near the water surface. The exact origin is uncertain.