Classificação / Nomes
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Aulopiformes (Grinners) >
Synodontidae (Lizardfishes) > Synodontinae
Etymology: Trachinocephalus: Greek, trachys, -eia, -ys = rough + Greek, kephale = head (Ref. 45335); gauguini: Named for the French painter Paul Gauguin (1848-1903), who died in the Marquesas Islands on 8 May 1903.
Eponymy: Paul Gauguin (1848–1903) was a French artist, largely unappreciated until after his death. [...] (Ref. 128868), visit book page.
Environment: milieu / Zona climática / intervalo de profundidade / distribution range
Ecologia
marinhas associadas(os) a recifes; intervalo de profundidade 26 - 75 m (Ref. 110386). Tropical
Eastern Central Pacific: Marquesas Islands, where it is probably endemic.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 12.5 cm SL macho/indeterminado; (Ref. 110386)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
This species is distinguished from its congeners by the following characters: length of snout (SLn) 6,7-10.0% head length (HL), mean 7.8 (vs mean 12.3% in T. trachinus; 12.1% in T. myops); body depth SLn 12.6-18.9%, mean 14.7% (vs. mean 21.2% in trachinus; 21.6% in myops); eye diameter SLn 31.6-51.7%, mean 40.1% (vs. 74.8% in trachinus; 79.1% in myops); interorbital width 4·0-6·7%, mean 5·6% HL (vs. mean 8·7% in trachinus; 8·9% in myops); anal-fin rays 14-16, mode 14 (vs. mode 16 in trachinus; 15 in myops); pectoral-fin rays 11-12, mode 11 (vs. mode 12 in the two species); lateral-line scales 56-59, mode 56 (vs. mode 57 in myops); further differs from trachinus and myops by deep mitochondrial distances (15.7-19.0 and 16.9-17.6%, respectively) (Ref. 110386).
Body shape (shape guide): elongated; Cross section: oval.
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Polanco, F.A., P.A. Acero and R. Betancur-R, 2016. No longer a circumtropical species: revision of the lizardfishes in the Trachinocephalus myops species complex, with description of a new species from the Marquesas Islands. J. Fish Biol. 89(2):1302-1323. (Ref. 110386)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00223 - 0.00980), b=3.18 (3.00 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.9 ±0.7 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).
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