Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > 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
Marine; bathydemersal; depth range 375 - 530 m (Ref. 98298). Deep-water
Western Indian Ocean: probably limited off the shores of northern Somalia, Yemen and southern Oman.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.8 cm TL male/unsexed; (Ref. 98298)
Morphology | Morphometrics
(total): 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
Maturity | Reproduction | Spawning | Eggs | Fecundity | 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. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00209 (0.00104 - 0.00421), b=3.19 (3.02 - 3.36), in cm total length, based on LWR estimates for this Subfamily-BS (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) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .