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Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Priacanthidae (Bigeyes or catalufas)
Etymology: Priacanthus: Greek, prion = saw + Greek, akantha = thorn (Ref. 45335). More on author: Cuvier.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 10 - 200 m (Ref. 5403), usually 15 - 100 m (Ref. 10786). Subtropical, preferred ?; 44°N - 40°S, 98°W - 34°E

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

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.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 50.0 cm TL male/unsexed; (Ref. 40637); common length : 35.0 cm TL male/unsexed; (Ref. 3661); max. published weight: 2.9 kg (Ref. 40637)

Short description Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 14; Anal spines: 3; Anal soft rays: 15

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).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Starnes, W.C., 1988. Revision, phylogeny and biogeographic comments on the circumtropical marine percoid fish family Priacanthidae. Bull. Mar. Sci. 43(2):117-203. (Ref. 5403)

IUCN Red List Status (Ref. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Reports of ciguatera poisoning (Ref. 31174)

Human uses

Fisheries: minor commercial; gamefish: yes; aquarium: commercial

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01738 (0.01338 - 0.02257), b=2.90 (2.82 - 2.98), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trophic Level (Ref. 69278): 4.0 ±0.0 se; Based on diet studies.

Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (K=0.7).

Vulnerability (Ref. 59153): Low vulnerability (25 of 100) .

Price category (Ref. 80766): High.

Priacanthus arenatus Cuvier, 1829