>
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); punt: Named for the mythic kingdom of Punt, which was thought to have been historically located in northern Somalia; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Tầng đáy biển sâu; Mức độ sâu 375 - 530 m (Ref. 98298). Deep-water
Western Indian Ocean: probably limited off the shores of northern Somalia, Yemen and southern Oman.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 16.8 cm TL con đực/không giới tính; (Ref. 98298)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Các tia vây lưng cứng (tổng cộng) : 2; Các vây lưng mềm (tổng cộng) : 8 - 10. This species is distinguished by the following characters: 10-11 pelvic-fin rays;; 14-15 (13) pectoral-fin rays; 20-24 total gill rakers; moderately long barbel, 11-15% HL and reaching vertical through anterior rim of orbit; orbit 28-30% HL; pointed and protruding snout, 17.5-20% HL; ventral striae extending to about ? to ½ the distance from pelvic fin bases to periproct; the otolith moderately compressed (OL:OH = 1.0-1.05); colliculi separated, small; pseudocolliculum small (TCL:PCL = 1.9-2.2) (Ref. 98298).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
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 Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Các công cụ
Special reports
Download XML
Các nguồn internet
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=0.00219 (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).
Mức dinh dưỡng (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
