Classification / Names
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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); 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
বাস্তুসংস্থান
সামুদ্রিক ব্যথিডিমারসাল সমুদ্র তলদেশবিহারী; গভীরতার পরিসীমা 375 - 530 m (Ref. 98298). Deep-water
Western Indian Ocean: probably limited off the shores of northern Somalia, Yemen and southern Oman.
আকৃতি / ওজন / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.8 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 98298)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
পৃষ্ঠীয় কাঁটা (মোট ) : 2; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 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 | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
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
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
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).
ট্রফিক পর্যায়ে (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).