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Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Kyphosidae (Sea chubs) > Kyphosinae
Etymology: Kyphosus: Greek, kyphos = bent (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 1 - 45 m (Ref. 58652). Tropical, preferred 27°C (Ref. 107945); 35°N - 30°S, 30°E - 140°W

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

Indo-Pacific: Red Sea and East Africa to the Hawaiian, Line and Tuamoto islands, north to southern Japan, south to Australia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 50.0 cm TL male/unsexed; (Ref. 6642); common length : 45.0 cm TL male/unsexed; (Ref. 57863)

Short description Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 11-12; Anal spines: 3; Anal soft rays: 11 - 12.

Found in aggregations over hard, algal coated bottoms of exposed, surf-swept outer reef flats, lagoon and seaward reefs, to a depth of at least 24 m (Ref. 30573). Benthopelagic (Ref. 58302). Juveniles associated with floating material (Ref. 58302). Mainly herbivorous, feeding on seaweed and associated invertebrates (Ref. 30573). Appear to be more commonly involved in hallucinogenic fish poisoning than most other related species (Ref. 4690). Caught with other types of artisanal gear. Minimum depth reported taken from Ref. 30874.

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

Main reference Upload your references | References | Coordinator | Collaborators

Knudsen, S.W. and K.D. Clements, 2013. Revision of the fish family Kyphosidae (Teleostei: Perciformes). Zootaxa 3751(1):001-101. (Ref. 95491)

IUCN Red List Status (Ref. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Poisonous to eat (Ref. 4690)

Human uses

Fisheries: minor commercial

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01820 (0.00876 - 0.03780), b=3.02 (2.83 - 3.21), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic Level (Ref. 69278): 2.9 ±0.33 se; Based on food items.

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

Vulnerability (Ref. 59153): Moderate vulnerability (38 of 100) .

Price category (Ref. 80766): High.

Kyphosus cinerascens (Forsskål, 1775)