Actinopteri (ray-finned fishes) > Acropomatiformes
(Oceanic basses) > Epigonidae
Etymology: Epigonus: Greek, epi = over, in front + Greek, gonio = angle (Ref. 45335); okamotoi: Named for Makoto Okamoto, in appreciation of his valuable and thorough research on the family Epigonidae.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 315 - 624 m (Ref. 116611). Tropical
Western Pacific: Papua New Guinea, Solomon Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.2 cm SL male/unsexed; (Ref. 116611)
Morphology | Morphometrics
soft rays: 9;
Vertebrae: 25. This species is distinguished by the following characters: D VII+I, 9; pectoral-fin rays 15; total gill rakers 22; pyloric caeca 4; pored lateral-line scales 47+4; scales below lateral line 8; vertebrae 10+15; presence of opercular spine; no maxillary mustache-like process; no ribs on last abdominal vertebra; upper margin of pectoral-fin base on level or upper margin of the pupil; proximal radial of first anal-fin pterygiophore is slender; colour of mouth cavity light grey (Ref. 116611).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fricke, R., 2017. Epigonus okamotoi, a new species of deepwater cardinalfish from New Britain, Papua New Guinea, Solomon Sea, western Pacific Ocean (Teleostei: Epigonidae). FishTaxa 2(3):116-122. (Ref. 116611)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00246 - 0.01407), b=3.12 (2.91 - 3.33), 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
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (34 of 100) .