Congrogadus subducens (Richardson, 1843)
Carpet eel-blenny
Congrogadus subducens
photo by Fenner, R.

Family:  Pseudochromidae (Dottybacks), subfamily: Congrogadinae
Max. size:  45 cm TL (male/unsexed)
Environment:  reef-associated; brackish; marine; depth range 0 - 10 m
Distribution:  Indo-West Pacific: Nicobar Islands, Andaman Sea and Japan to the tropical coasts of Australia.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 68-74; Anal spines: 0-0; Anal soft rays: 57-66; Vertebrae: 74-84. Coloration varied, capable of changing its color. Spots or blotches on body form reticulations and crossbands; paler ventrally. Gill membranes ventrally free from the isthmus. Posterior otic sensory canal pore present. Cephalic sensory canal pores not pigmented. Description: Characterized by having pale caudal fin; absence of pelvic fins; small elliptical cycloid scales covering the body; body depth at origin of anal fin 39-80 % of HL (Ref. 90102).
Biology:  Inhabits coastal waters, often in brackish conditions (Ref. 48636). Found hidden amongst rocks or coral rubble (Ref. 48636). Reproductive activity appears to be cyclical and the species may not be a protogynous hermaphrodite (Ref. 2077). Also found in coral reefs among crevices (Ref 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 28 June 2018 Ref. (123251)
Threat to humans:  harmless
Country info:   
 

Entered by: Capuli, Estelita Emily - 11.06.91
Modified by: Reyes, Rodolfo B. - 27.02.14
Checked by: Capuli, Estelita Emily - 28.07.94

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