Classificação / Names
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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); nemnezi: Named patterned from the initials NMNZ, the National Museum of New Zealand Te Papa Tongarewa..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batipelágico; intervalo de profundidade 830 - 960 m (Ref. 92437). Deep-water
Southwest Pacific: Chatham Rise, New Zealand.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm SL macho/indeterminado; (Ref. 92437)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios dorsais moles (total) : 49 - 50; Raios anais moles: 43 - 44; Vértebras: 58 - 59. This species is distinguished by the following characters: vertebrae 58-59; pectoral fin rays 16; pyloric caeca 6-10; prominent occipital hump; mouth angle about 60°; tiny and slender premaxillary teeth, sharp canines with slight shoulders, in a narrow band of about 40 oblique rows of up to 7 teeth each; short gill opening, above pectoral and in front of 1-2 rays, its length less than 1/5 HL; opercle a broad sword-like blade extending ventrally with a shallow curve posteriorly, its tip a sharp spine reaching posterior to pectoral fin base; symphyseal pores without raised rim, small, widely separated, fragile; absent coronal pore; rays of upper and lower pectoral fin lobes free for a significant proportion of their length; abdominal cavity length behind pectoral symphysis about 20% SL, almost equal to HL (Ref. 92437).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Stein, D.L., 2012. A review of the snailfishes (Liparidae, Scorpaeniformes) of New Zealand, including descriptions of a new genus and sixteen new species. Zootaxa 3588:1-54. (Ref. 92437)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
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=0.00525 (0.00237 - 0.01161), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
