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Roa australis Kuiter, 2004

Triple-banded butterflyfish
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Roa australis   AquaMaps   Data sources: GBIF OBIS
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Image of Roa australis (Triple-banded butterflyfish)
Roa australis
Picture by Hutchins, B.


Australia country information

Common names: Triple-banded butterflyfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, off Port Hedland, Western Australia, WAM P.26215-001 (holotype of Roa australis, 11.2 cm SL). Ranges , from just south of the Rowley Shoals, northwest of Port Hedland, Western Australia to the Arafura Sea, Northern Territory (Ref. 76759). Also Ref. 123118.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Kuiter, R.H., 2004
National Database:

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

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

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

Marine; pelagic-neritic; depth range 97 - 173 m (Ref. 76759).   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 11.9 cm SL male/unsexed; (Ref. 76759)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 19 - 23; Anal spines: 3; Anal soft rays: 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).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 24 June 2010

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 18.7 - 27.3, mean 22.9 (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).
Trophic level (Ref. 69278):  3.7   ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).