Common names from other countries
Teleostei (teleosts) >
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
Ecology
Marine; bathypelagic; depth range 430 - 527 m (Ref. 98298). Tropical
Western Pacific: from off NW-Australia, off southern New Guinea and off the Solomon Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.7 cm TL male/unsexed; (Ref. 98298)
Short description
Identification keys | Morphology | Morphometrics
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
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
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)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
115969): 9.2 - 17.5, mean 12.7 (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=0.00219 (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).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).