Trachonurus robinsi Iwamoto, 1997

Family:  Macrouridae (Grenadiers or rattails)
Max. size:  25 cm TL (male/unsexed)
Environment:  bathydemersal; marine; depth range 514 - 1344 m
Distribution:  Western Central Pacific: known only from the Philippines (Sulu, Visayan, Mindanao and Sibuyan seas).
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 160-163. Gill rakers on inner side of first arch 9-11. Scales below midbase of first dorsal fin, 3-5.5; below origin of second dorsal fin, (4-6)+1+(7-10) or a total 12-15. Suborbital width 2.8-4.1 into orbit diameter. Barbel 4.3-7.4. Scales between the first dorsal and lateral line with 9-12 spinules. Scales absent or in narrow patch on gular membrane; absent or a few isolated ones near anterior end on branchiostegal membranes. Adult size small, not longer than 25 cm TL (Ref. 13673).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 15 September 2009 Ref. (130435)
Threat to humans:  harmless


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