Teleostei (teleosts) >
Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335); robustispinus: Name from the combination of the Latin robustus, meaning strong, and spinus, for spine, in reference to the extremely thickened fin spines (Ref. 84133).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range ? - 660 m (Ref. 84133). Tropical; 28°N - 15°N, 123°E - 129°E
Northwestern Pacific: Philippines (east of Calagua Islands) and Japan.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 35.4 cm SL male/unsexed; (Ref. 92805)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 6; Dorsal soft rays (total): 14; Anal spines: 3; Anal soft rays: 9; Vertebrae: 27. Hoplostethus robustispinus has extremely thickened fin spines, 56 digitiform pyloric caeca, a bright red body, fins with no black pigment in any fin membranes, no silvery flanks, a long trunk (VA distance is greater than almost all other species) and eyes more dorsally placed, with the upper margin dorsal to preopercular ridges and level with the post-temporal spine (Ref. 84133).
Body shape (shape guide): short and / or deep.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Moore, J.A. and K.A. Dodd, 2010. A New Species of the Roughy Genus Hoplostethus (Teleostei: Trachichthyidae) from the Philippines. Bulletin of the Peabody Museum of Natural History 51(1):137-144. (Ref. 84133)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources
