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Kyphosus bigibbus  Lacepède, 1801

Brown chub
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Kyphosus bigibbus   AquaMaps   Data sources: GBIF OBIS
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Image of Kyphosus bigibbus (Brown chub)
Kyphosus bigibbus
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

Environment / Climate / Range Ecology

Marine; reef-associated; oceanodromous (Ref. 51243); depth range 2 - ? m (Ref. 35942).   Tropical; 35°N - 28°S

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

Indo-Pacific: Antitropical; Red Sea, South Africa, western and eastern Australia, Lord Howe and Rapa islands, southern Japan and Ryukyu Islands. Records for countries in the tropical zone needs further confirmation.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 75.0 cm TL male/unsexed; (Ref. 30573); max. published weight: 1.9 kg (Ref. 40637)

Short description Morphology | Morphometrics

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 11-13; Anal spines: 3-4; Anal soft rays: 10 - 12. Occasionally uniformly yellow, and rarely albino individuals occur (Ref. 37816).

Biology     Glossary (e.g. epibenthic)

Found around exposed seaward reefs of isolated high islands such as the northernmost Mariana and Bonin Is. Feeds on Sargassum and Turbinaria algae. Valued as a food fish, but not in Hawaii (Ref. 3921).

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)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; gamefish: yes; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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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=0.01479 (0.00725 - 0.03018), b=2.99 (2.80 - 3.18), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  2.0   ±0.0 se; Based on diet studies.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  High vulnerability (56 of 100) .
Price category (Ref. 80766):   High.