Teleostei (teleosts) >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Chaenogobius: Greek, chaeno = to yawn + Latin, gobius = gudgeon (Ref. 45335).
More on author: Sauvage.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; brackish; demersal; non-migratory; depth range 0 - 2 m (Ref. 559). Temperate
Western Pacific: Japan, Korean Peninsula, and Yellow Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.7 cm SL male/unsexed; (Ref. 81467)
Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 9 - 11; Anal spines: 1; Anal soft rays: 8 - 10; Vertebrae: 33. This species is characterized by the following: scales in longitudinal series 77-87, transverse series 29-36, predorsal scales 28-44; 3 pairs of sensory papillae in row f; modal ray count of second dorsal fin I,11; modal AP 3; modal vertebrae count 14+19; dorsal fins dark brown with indistinct black blotches with second dorsal fin with white margin; caudal and anal fins dark brown with white margin; pectoral fins dusky, no distinct bands; body and head dark brown, mottled with lighter areas and, in life, white spots; caudal fin base with an indistinct dark blotch (Ref. 81467).
Body shape (shape guide): elongated.
Inhabits tide pools.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Stevenson, D.E., 2002. Systematics and distribution of fishes of the Asian goby genera Chaenogobius and Gymnogobius (Osteichthyes: Perciformes: Gobiidae), with the description of a new species. Spec. Divers. 7(3):251-312. (Ref. 81467)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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