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Actinopterygii (ray-finned fishes) > Beryciformes (Sawbellies) > Berycidae (Alfonsinos)

Environment / Climate / Range Ecology

Marine; benthopelagic; depth range 10 - 450 m (Ref. 9563). Subtropical, preferred 17°C (Ref. 107945); 19°S - 41°S, 148°E - 178°W

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

Western Pacific: eastern Australia from western Bass Strait and northeastern Tasmania to Moreton Bay, Queensland. Also found in New Zealand; recently recorded from the Chesterfield Islands and New Caledonia (Ref. 9833).

Length at first maturity / Size / Weight / Age

Maturity: L_m ?, range 20 - 25 cm
Max length : 51.0 cm SL male/unsexed; (Ref. 33987); max. published weight: 2.0 kg (Ref. 9833)

Short description Morphology | Morphometrics

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 11-13; Anal spines: 4; Anal soft rays: 12; Vertebrae: 24

Occur on rocky reefs and muddy substrates of the continental shelf and upper slope, forming dense schools close to the bottom at dawn and dusk and dispersing throughout the water column at night to feed (Ref. 9563). Juveniles also aggregate in schools (Ref. 33987) and are found in estuaries and shallow costal waters (Ref. 9833). Feed on small fish, crustaceans and mollusks (Ref. 27111).

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

Main reference Upload your references | References | Coordinator | Collaborators

Paxton, J.R., 1999. Berycidae. Alfonsinos. p. 2218-2220. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the WCP. Vol. 4. Bony fishes part 2 (Mugilidae to Carangidae). FAO, Rome. (Ref. 9833)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: commercial

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5088 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01259 (0.00595 - 0.02663), b=3.04 (2.85 - 3.23), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic Level (Ref. 69278): 3.8 ±0.59 se; Based on food items.

Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.25; tm=4; tmax=16).

Vulnerability (Ref. 59153): Moderate to high vulnerability (54 of 100) .

Price category (Ref. 80766): High.

Centroberyx affinis (Günther, 1859)