Canthigaster axiologus, Pacific crown toby

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Canthigaster axiologus Whitley, 1931

Pacific crown toby
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Canthigaster axiologus   AquaMaps   Data sources: GBIF OBIS
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Image of Canthigaster axiologus (Pacific crown toby)
Canthigaster axiologus
Picture by Johnson, J.

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (peixes com raios nas barbatanas) > Tetraodontiformes (Puffers and filefishes) > Tetraodontidae (Puffers) > Canthigasterinae
Etymology: Canthigaster: Greek, kanthos = the outer or inner corner of the eye, where the lids meet, 1646 + Greek, gaster = stomach (Ref. 45335);  axiologus: The species name axiologus stems from the Greek words ????? and ?????, the latter Latinised to logus; it is a noun in apposition and does not change its ending, though Canthigaster is feminine (Ref. 88002).  More on author: Whitley.

Environment: milieu / climate zone / depth range / distribution range Ecologia

; marinhas associadas(os) a recifes; intervalo de profundidade 10 - 80 m (Ref. 90102).   Tropical

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Pacific: Japan to New South Wales, east to the Marshall Islands and Tonga; with records from Western Australia, from Exmouth Gulf northwards.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 10.1 cm SL macho/indeterminado; (Ref. 83660)

Descrição suscinta Morfologia | Morfometria

Raios dorsais (total): 9-11; Raios anais : 9 - 10. This species is distinguished by the following characters: D 9-11 (usually 10, rarely 11); A 9-10 (usually 9); pectoral rays 15-18 (modally 16 in the North Pacific and 17 in the South Pacific); gill rakers 7-9; body depth between origins of dorsal and anal fins 3.0-3.3 in SL; head length (HL) 2.3-2.5 in SL; interorbital width 3.75-4.4 in HL; gill opening 4.8-5.55 in HL; origin of anal fin below or posterior to rear base of dorsal fin, the preanal length 1.25-1.35 in SL; longest dorsal ray 2.4-2.9 in HL; preserved colour pale grey to pale tan with 3 saddle-like, dark brown bars on body, similar to C. coronata, the edges of bars with close-set, small, pale-edged dark spots or short lines, irregularly alternating with unpigmented pale spots or lines; ventral part of body with or without small pale spots or pale-edged dark spots; across posterior interorbital and anterior occiput is a broad dark brown band; below base of pectoral fin is a dark brown spot; from chin to below gill opening, a narrow curved pale band edged in small dark spots; around eye is a pale area with radiating dark brown lines (except adjacent interorbital band); on head and abdomen is a midventral dark brown line varying from faint to conspicuous; lips pale, usually rimmed by a dusky band; fins pale grey, the upper and lower edges of caudal fin with or without a broad dark marginal band (Ref. 83660).

Biologia     Glossário (p.ex. epibenthic)

Occurs in sheltered habitat, often on open sand and rubble bottom near reefs; but appears to be far less common than C. coronata (Ref. 83660). Solitary (Ref. 90102).

Ciclo de vida ou comportamento de acasalamento Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Oviparous (Ref. 205).

Referência principal Upload your references | Referências | Coordenador : Matsuura, Keiichi | Colaboradores

Randall, J.E., J.T. Williams and L.A. Rocha, 2008. The Indo-Pacific tetraodontid fish Canthigaster coronata, a complex of three species. Smithiana, Publ. Aquatic Biodiv. Bull. 9:3-13. (Ref. 83660)

Status na Lista Vermelha da UICN (Ref. 120744)

  Segura ou pouco preocupante (LC) ; Date assessed: 07 June 2011

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 24.1 - 29, mean 27.8 (based on 566 cells).
Índice de diversidade filogenética (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02818 (0.01190 - 0.06674), b=2.94 (2.73 - 3.15), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  3.1   ±0.4 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.).
Vulnerabilidade (Ref. 59153):  Low vulnerability (11 of 100) .