Diancistrus robustus Schwarzhans, Møller & Nielsen, 2005
Robust coralbrotula
Diancistrus robustus
photo by W. Schwarzhans et al.

Family:  Dinematichthyidae (Viviparous brotula)
Max. size:  5.2 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 8 m
Distribution:  Central Pacific: Viti Levu Island, Fiji.
Diagnosis:  Dorsal soft rays (total): 77-77; Anal soft rays: 63-63; Vertebrae: 43-43. The species is characterized by the following: vertebrae 11+32=43, dorsal fin rays 77, anal fin rays 63; very small eyes (1.8% SL); outer pseudoclasper with short, small ear-lobe extension, opening towards anterior; inner pseudoclasper firmly joined to outer pseudoclasper anteriorly, with supporter, forming a robust thorn, almost as long as outer pseudoclasper; narrow scale patch on cheek, no scales on operculum; the head profile is massive (width 16.6% SL) with blunt snout (Ref. 57884).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 16 August 2019 Ref. (130435)
Threat to humans:  harmless


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