分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Acropomatiformes (Oceanic basses)
鱸形目 (Oceanic basses) >
Epigonidae (Deepwater cardinalfishes)
後竺鯛科 (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..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 727 - 809 m (Ref. 91119).
Southwest Pacific: Chatham Rise, east of New Zealand.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 17.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 91119); 17.4 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 8; 背的軟條 (總數) : 9; 臀棘: 2; 臀鰭軟條: 9; 脊椎骨: 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).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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)
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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=0.01202 (0.00548 - 0.02637), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
