Teleostei (teleosts) >
Acropomatiformes (Oceanic basses) >
Epigonidae (Deepwater cardinalfishes)
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.
Eponymy: Makoto Okamoto is a Japanese ichthyologist at the Seikai National Fisheries Research Institute. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
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)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 8; Dorsal soft rays (total): 9; Anal spines: 2; Anal 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. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00275 - 0.01515), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Epigonus okamotoi (Okamoto\](/images/thumbnails/gif/tn_EPIGONT0.gif "Image of Epigonus okamotoi (Okamoto\")
