Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Beryciformes
(Sawbellies) > Trachichthyidae
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335); ravurictus: Named for the pale buccal cavity of this species, which contrasts with the black lining of the mouth found in most other species of the subgenus Hoplostethus
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 250 - 1000 m (Ref. 83593), usually ? - 400 m (Ref. 83593). Tropical; 10°S - 20°S (Ref. 83593)
Eastern Indian Ocean: Western Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.1 cm SL male/unsexed; (Ref. 83593)
Morphology | Morphometrics
(total): 5 - 7;
soft rays: 8 - 10. This species is characterized by the following: 15, rarely 13, 14 or 16 pectoral-fin rays; 13-16, rarely 10-12 and 17-20 abdominal scutes, some scutes in large individuals with multiple apical points; isthmus with small spinoid scales; rectangular body, depth distinctly shorter than length, 1.9-2.0 in SL; nape almost straight, forehead turning abruptly downward above upper lip; body silvery in life, buccal cavity and opercular recess pale to slightly dusky (Ref. 83593).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gomon, M.F., 2008. A new species of the roughy genus Hoplostethus (Trachichthyidae) off Northwestern Australia. Mem. Mus. Vict. 65:189-194. (Ref. 83593)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 9.2 - 11.4, mean 9.9 (based on 6 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01698 (0.00744 - 0.03879), b=3.05 (2.85 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (46 of 100) .