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> Acanthuriformes (Surgeonfishes) > Chaetodontidae (Butterflyfishes)
Etymology: australis: Named for its southern hemisphere distribution; Latin australis for southern..

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

marin; profondeur 97 - 173 m (Ref. 76759). Tropical

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Indo-West Pacific: off the northwest coast of Australia.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 11.9 cm SL mâle / non sexé; (Ref. 76759)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 19 - 23; Épines anales: 3; Rayons mous anaux: 17. This species has the following characters: D XI,20; A III,17; pectoral-fin rays 14; 43 tubed lateral-line scales; body depth 73.2% in SL; light brown in color with body uniformly pale, the head somewhat darker, a dark elongated spot between 2nd and 7th soft dorsal fin rays, bordered anteriorly by a pale area of similar width, and extending onto membrane between last spine and first ray (Ref. 76759).

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Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Kuiter, R.H., 2004. Description of a new species of butterflyfish, Roa australis, from northwestern Australia (Pisces: Perciformes: Chaetodontidae). Rec. Aust. Mus. 56:167-171. (Ref. 76759)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 24 June 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 18.7 - 27.3, mean 22.9 °C (based on 72 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02239 (0.01117 - 0.04486), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.7 ±0.4 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Roa australis Kuiter, 2004