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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); maculicaudus: Name from Latin 'maculis' meaning spot and 'cauda' for tail; referring to the distinctive line of melanophores along the mid-lateral line anteriorly on the tail..
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদতলে ভাসমান বেনথোপেলাজিক. Deep-water; 33°S - 38°S (Ref. 97189)
Southwest Pacific: Tasman Sea including southern Lord Howe Rise, southern Norfolk Ridge, and northern New Zealand.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 16.3 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 97189)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
This species is distinguished by the following characters: pelvic fin rays 8 (rarely 7 or 9), gill rakers on first arch (outer/inner) 10-16/16-20; chin barbel length 7-16 % HL; orbit diameter 33-48 % HL; snout length 20-28 % HL; orbit to preopercular length 34-45 % HL; scattered melanophores ventrally on trunk and distinctive mid-lateral line of melanophores on tail that extends about a head length posterior to anal fin origin (Ref. 97189).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
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)
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).
