Actinopteri (ray-finned fishes) > Acropomatiformes
(Oceanic basses) > Epigonidae
Etymology: Epigonus: Greek, epi = over, in front + Greek, gonio = angle (Ref. 45335); lifouensis: Named for its type locality.
Environment: milieu / climate zone / depth range / distribution range
Marine; pelagic-oceanic; depth range 500 - 575 m (Ref. 93890), usually - m (Ref. ). Tropical; 0°C -
Southwest Pacific: New Caledonia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm SL male/unsexed; (Ref. 93890); 20.3 cm SL (female)
Morphology | Morphometrics
soft rays: 9;
Vertebrae: 25. This species is distinguished by the following set of characters: no opercular spine; ribs present on the last abdominal vertebra; absence of tooth on tongue, maxillary mustache-like process and tubercle on inner symphysis of lower jaw; elliptical eye; total gill rakers 24-25; vertebrae 10 + 15; pored lateral-line scales 48-49 + 3-4; D VII-I,10; pectoral-fin rays 18-19; pyloric caeca 10-13; body depth 17.0-17.1 % SL; posterior half of oral cavity and tongue black (Ref. 93890).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
The male holotype has a fully ripe testis and the female paratype with a great number of eggs in several developmental stages. The most developed eggs were ca. 0.4 mm in diameter, round with a single oil globule (Ref. 93890).
Okamoto, M. and H. Motomura, 2013. Two new species of deepwater cardinalfish from the Indo-Pacific, with a definition of the Epigonus pandionis group (Perciformes: Epigonidae). Ichthyol. Res. 60(4):301-311. (Ref. 93890)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2.5 - 4.6, mean 3.3 °C (based on 406 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00561 - 0.02698), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±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
): Moderate vulnerability (39 of 100) .