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Congrogadus subducens (Richardson, 1843) Carpet eel-blenny |
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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. (130435) | |||
| Threat to humans: | harmless | |||