分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Trachichthyiformes (Roughies)
金眼鯛目 (Roughies) >
Trachichthyidae (Slimeheads)
燧鯛科 (Slimeheads)
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335); melanopeza: Name from Greek 'melano' for ‘black’ and 'peza‘ for 'edge’; referring to the characteristic black edge on all fins in large individuals of this species; noun in apposition.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 pelagic-oceanic; 深度上下限 250 - 400 m (Ref. 92805). ; 33°S - 37°S (Ref. 92805)
South Pacific: sub-tropical and temperate latitudes of the Tasman and South Fiji Basins; SE Australian slopes on the west to the outer Bay of Plenty and southern Kermadec Ridge at the north end of the North Island in New Zealand in the east.
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 51.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 92805)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 6 - 7; 背的軟條 (總數) : 12 - 13; 臀棘: 3; 臀鰭軟條: 3 - 10. This species is distinguished by the following characters: 15 pectoral-fin rays, rarely 13, 14 or 16; 18-21 total gill rakers on outer side of first arch; 9-12 abdominal scutes, some scutes in large individuals with multiple apical points; 16-22 predorsal scales; isthmus lacking scales; body scales adherent; lateral–line scales with strong medial ridge, but no spine in small and medium sized adults, with strong spine centrally on posterior margin in large adults; scales on predorsal midline forming low raised ridge; body ovoid and deep, depth 1.9-2.1 in SL; nape gently curved, forehead almost straight to above upper lip; dorsal- and anal-fin spines of moderate thickness; body of adults grey, superimposed with deep red in life, outer margin of all fins with narrow black edge in adults; buccal cavity and opercular recess black, vomer, margins of mouth roof lateral to palatines, underside of tongue and upper surface of lower jaw stark white (Ref. 92805).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabits continental slopes, seamounts and submarine rises with collection depths recorded between about 140 and 760 m, but most often 250-400 m (Ref. 92805).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Roberts, C.D. and M.F. Gomon, 2012. A review of giant roughies of the genus Hoplostethus (Beryciformes, Trachichthyidae), with descriptions of two new Australasian species. Memoirs of Museum Victoria 69:341-354. (Ref. 92805)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
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基於模型的估計
首選溫度 (參考文獻
123201): 4.3 - 9.7, mean 5.4 °C (based on 46 cells).
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00717 - 0.03842), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Moderate to high vulnerability (45 of 100).
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