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Acropomatiformes (Oceanic basses) >
Epigonidae (Deepwater cardinalfishes)
Etymology: Epigonus: Greek, epi = over, in front + Greek, gonio = angle (Ref. 45335); machaera: Name from Latin meaning sword, referring to the slender body of the species.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 727 - 809 m (Ref. 91119). Deep-water
Southwest Pacific: Chatham Rise, east of New Zealand.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 17.4 cm SL mâle / non sexé; (Ref. 91119); 17.4 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 8; Rayons mous dorsaux (Total) : 9; Épines anales: 2; Rayons mous anaux: 9; Vertèbres: 25. This species is distinguished by the following set of characters: presence or a pungent opercular spine; maxillary mustache-like process blunt; ribs on the last abdominal vertebra; two round nub-like structures present on symphysis of lower jaw; tongue narrow and sword-like, no teeth; gill rakers 7-9 + 20-21 = 28-30; vertebrae 11 + 14; total pored lateral-line scales 49-54 (hypural end 45-50 + caudal fin 4-5); scales below lateral line 9-10; D VII-I,9; pectoral-fin rays 16-17; pyloric caeca 7; head length 31.9-34.6 % SL; body depth 20.5-22.6 % SL; lower-jaw length 13.5-14.5 % SL; second dorsal-fin spine length 12.7-14.7 % SL; and second anal-fin spine length 12.7-15.5 % SL (Ref. 91119).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Okamoto, M., 2012. Two new species of the genus Epigonus (Perciformes: Epigonidae) from the South Pacific, with a definition of the Epigonus constanciae group. Ichthyol. Res. 59(3):242-254. (Ref. 91119)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01202 (0.00574 - 0.02520), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.5 ±0.5 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |