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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); fuscus: Name from Latin 'fuscus' meaning swarthy, referring to the overall dark colouration.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut batipelagis; kisaran kedalaman 549 - 1202 m (Ref. 97189). Subtropical
Southwest Pacific: Wanganella Bank, West Norfolk Ridge, off northeast and north coasts of North Island, and northwest Challenger Plateau.
Ukuran / Berat / umur
Kematangan: Lm ? range ? - ? cm
Max length : 14.8 cm TL jantan/; (Ref. 97189)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
This species is distinguished by the following characters: pelvic fin rays 11-12; gill rakers first arch (outer/inner) 12-15/16-19; no or minute barbel; orbit diameter 20-33 % HL; body depth 70-85 % HL; suborbital width 23-28 % HL; snout length 25-33 % HL; upper jaw length 38-48 % H; colour of head and trunk of fresh specimens blackish, tail brownish peppered with melanophores; large, oval, deciduous scales on body and tail (Ref. 97189).
Body shape (shape guide): elongated; Cross section: oval.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
McMillan, P. and T. Iwamoto, 2014. Descriptions of four species of grenadier fishes of the genera Hymenocephalus and Hymenogadus (Teleostei, Gadiformes, Macrouridae) from the New Zealand region and Tasman Sea, including two new species of Hymenocephalus. Zootaxa 3856:117-134.. (Ref. 97189)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: bycatch
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00111 - 0.00432), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Acuan
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.).
Kerentanan Penangkapan Ikan (Ref.
59153): Low vulnerability (10 of 100).
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