Teleostei (teleosts) >
Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
Issue
Sister species: Acanthurus tractus (Ref. 087362).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 2 - 80 m (Ref. 7345). Tropical; 0°S - 30°S, 50°W - 5°W (Ref. 87362)
South and Central Atlantic: coast of Brazil, from Parcel Manuel Luiz to Santa Catarina, including the oceanic Islands of Fernando de Noronha, Atol das Rocas, Trindade, Ascension I. and St. Helena I. (Ref. 87362).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 14.6 cm SL male/unsexed; (Ref. 137577)
A diurnal species. Maximum depth from Ref. 126840.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Bernal, M.A. and L.A. Rocha, 2011. Acanthurus tractus Poey, 1860, a valid western Atlantic species of surgeonfish (Teleostei, Acanthuridae), distinct from Acanthurus bahianus Castelnau, 1855. Zootaxa 2905:63-68. (Ref. 87362)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial
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