Gnathophis heterognathos (Bleeker, 1858)
Gnathophis heterognathos
photo by MNHN

Family:  Congridae (Conger and garden eels), subfamily: Congrinae
Max. size:  41.5 cm TL (male/unsexed)
Environment:  benthopelagic; marine; depth range 183 - 199 m
Distribution:  Western Pacific: SW part of the Japanese Archipelago, South China seas, including the Philippines.
Diagnosis:  Dorsal soft rays (total): 181-191; Anal soft rays: 128-132; Vertebrae: 121-131. Diagnosis: Unpaired fins with dark margins. Second lateral line pore and pores above the pectoral fin from 7th-8th to 11th-15th elevated. Vertebrae 121-131; trunk vertebrae 38-40. Lateral line pores to anus 30-33. Supraorbital canal 6; suborbital canal 8; preoperculomandibular canal 10; occipital commissure 3. Swim bladder reaches slightly behind the anus; stomach dark, while intestine and peritoneum are dark (Ref. 54804).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 01 February 2017 Ref. (130435)
Threat to humans:  harmless


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