Chaenogobius annularis Gill, 1859
Forktongue goby
Chaenogobius annularis
photo by Suzuki, T.

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  16 cm TL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: Japan and Korea. Reported occurrence elsewhere may be referring to other species of Gymnogobius.
Diagnosis:  Dorsal spines (total): 6-7; Dorsal soft rays (total): 9-12; Anal spines: 1-1; Anal soft rays: 8-10; Vertebrae: 32-33. This species is characterized by the following: scales in longitudinal series 61-67, transverse series 20-22, predorsal scales 17-24; a pair of sensory papillae in row f; modal ray count of second dorsal fin I,10; modal AP 2; modal vertebrae count 14+18; dorsal fins light brown with distinct dark-brown with wavy longitudinal bands; caudal and pectoral fins light brown with distinct dark-brown transverse bands; body and head light brown with approximately 6 broad, dark transverse bands; caudal fin base with several small, black spots and distinct blotch (Ref. 81467).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 01 March 2007 Ref. (124695)
Threat to humans:  harmless
Country info:  Report in Ref. 50519 probably referring to a Gymnogobius species.

Entered by: Torres, Armi G. - 18.01.00
Modified by: Reyes, Rodolfo B. - 15.07.13

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