Priacanthus arenatus Cuvier, 1829
Atlantic bigeye
Figueira,  Imperador,  Mirassol,  Olhão,  Olho-de-boi,  Olho-de-cao,  Olho-de-vidro,  Olho-do-diabo,  Piranema,  Pirapema
Priacanthus arenatus
photo by Flescher, D.

Family:  Priacanthidae (Bigeyes or catalufas)
Max. size:  50 cm TL (male/unsexed); max.weight: 2,850.0 g
Environment:  reef-associated; marine; depth range 10 - 200 m
Distribution:  Tropical and tropically influenced areas of the Atlantic Ocean. Western Atlantic: Canada (Ref. 5951) to Bermuda and at least North Carolina, USA (Ref. 5403) southward to northern Argentina (Ref. 3800). Eastern Atlantic: Madeira to Namibia. Mediterranean (Ref. 50345). Reports from the Indo-Pacific are misidentifications.
Diagnosis:  Dorsal spines (total): 10-10; Dorsal soft rays (total): 14-14; Anal spines: 3-3; Anal soft rays: 15-15
Biology:  Found on coral reefs and rocky bottoms (Ref. 3800). Forms small aggregations near the bottom (Ref. 10786). A nocturnal feeder (Ref. 5521), feeds mainly on small fishes, crustaceans and polychaetes (Ref. 3800). Most of its prey are larvae. Flesh considered excellent quality; marketed fresh (Ref. 5217).
IUCN Red List Status: Least Concern (LC); Date assessed: 29 January 2013 Ref. (130435)
Threat to humans:  reports of ciguatera poisoning
Country info:  Ranges from Paraíba south to Santa Catarina, including Manuel Luiz Reefs, Atol das Rocas, Fernando de Noronha, and Zumbi Reefs (Ref. 57756). Museum: CAS 18516 (Ref. 5403). Also Ref. 4517, 126840.


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