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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
بوم شناسي
دريايي موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.. Deep-water; 33°S - 38°S (Ref. 97189)
Southwest Pacific: Tasman Sea including southern Lord Howe Rise, southern Norfolk Ridge, and northern New Zealand.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 16.3 cm TL جنس نر / بدون خواص جنسي; (Ref. 97189)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
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 | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
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).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
