Classificatie / Namen
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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 727 - 809 m (Ref. 91119). Deep-water
Southwest Pacific: Chatham Rise, east of New Zealand.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 17.4 cm SL mannelijk / geslacht onbekend; (Ref. 91119); 17.4 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 8; Dorsale zachte stralen (totaal) : 9; Anale stekels: 2; Anale zachte stralen: 9; Wervels: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 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). |
Trofisch niveau (Ref. 69278) |
3.5 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |