分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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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); megalops: From the Greek megas, great, and ops, eye, in reference to the notably large eyes of the species..
More on authors: Iwamoto & Merrett.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の漂泳性; 深さの範囲 600 - 825 m (Ref. 35908). Deep-water
Western Central Pacific: known only from New Caledonia and off Queensland, Australia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 17.0 cm TL オス/雌雄の選別がない; (Ref. 35908)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 2. Gill rakers first arch (outer/inner) 12-19/20-24; barbel short 8-22% HL; orbits large 40-48%; snout usually 23-33%; orb.-preop. 36-7%; dorsolateral stripe on trunk fades out completely on tail.
A benthic species found on the continental slope (Ref. 75154).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Iwamoto, T. and N.R. Merrett, 1997. Pisces Gadiformes: Taxonomy of grenadiers of the New Caledonian region, southwest Pacific. Mem. Mus. Natl. Hist. Nat. (176):473-570. (Ref. 35908)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 5.1 - 8.6, mean 6.7 °C (based on 59 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00111 - 0.00431), 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).
