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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.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
marinhas bentopelágico. Deep-water; 33°S - 38°S (Ref. 97189)
Southwest Pacific: Tasman Sea including southern Lord Howe Rise, southern Norfolk Ridge, and northern New Zealand.
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 16.3 cm TL macho/indeterminado; (Ref. 97189)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
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).
Body shape (shape guide): elongated; Cross section: compressed.
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00219 (0.00112 - 0.00429), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nível Trófico (Ref. 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
Resiliência (Ref. 120179) |
Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.). |
Vulnerabilidade da pesca (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |