分類 / Names
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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Hymenocephalus: Named for its transparent membrane-like head covering (‘‘hymen head’’) and fragile nature of head bones (Ref. 100825).
More on authors: Gilbert & Hubbs.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海浮遊性; 深さの範囲 430 - 527 m (Ref. 98298). Tropical
Western Pacific: from off NW-Australia, off southern New Guinea and off the Solomon Islands.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 12.7 cm TL オス/雌雄の選別がない; (Ref. 98298)
簡単な記述
検索表 | 形態学 | 形態計測学
This species is distinguished by the following characters: 8 pelvic-fin rays; 13-15 pectoral-fin rays; 19-23 gill rakers; the barbel is long, 20-25% HL, reaching beyond a vertical through anterior rim of orbit; orbit 35-40% HL; obtuse snout is slightly protruding, 15-18% HL; ventral striae extending to about ? the distance from pelvic fin bases to periproct; long infraorbital supporter, 70-90% OD; otolith compressed, OL:OH = 0.9-1.0; fused colliculi; long pseudocolliculum, TCL:PCL = 1.25-1.45 (Ref. 98298).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Schwarzhans, W., 2014. Head and otolith morphology of the genera Hymenocephalus, Hymenogadus and Spicomacrurus (Macrouridae), with the description of three new species. Zootaxa 3888(1):1-73. (Ref. 98298)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
用具
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 9.2 - 17.5, mean 12.7 °C (based on 70 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00214 (0.00109 - 0.00421), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
