Calamus bajonado (Bloch & Schneider, 1801)

Jolthead porgy

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Sparidae
Synonyms	Sparus bajonado, ... more
Common names	Blue bone porgy, Diol pas bleu, Pluma, ... more

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Image of Calamus bajonado (Jolthead porgy)

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Robins, C.R. and G.C. Ray. 1986. (Ref. 7251)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 76.0 cm FL male/unsexed; (Ref. 40637); common length : 54.0 cm TL male/unsexed; (Ref. 3815); max. published weight: 10.6 kg (Ref. 4699)

Environment

Reef-associated; marine; depth range 3 - 200 m (Ref. 26938)

Climate / Range

Subtropical

Western Atlantic: Rhode Island (USA), Bermuda, and northern Gulf of Mexico southward to Brazil. Most abundant in the West Indies (Ref. 9626).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 12; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 10. Blue line under each eye. Corner of mouth and isthmus have orange cast (Ref. 26938). An irregular row of small molariform teeth inside and toward the front of the three usual rows of molars at side of upper jaw; dorsal profile of head evenly convex and not very steep (Ref. 13442).

Inhabits coastal waters. Found on vegetated sand bottoms and more frequently on coral bottoms. Occasionally found at depths at least 180m (Ref. 09710) and 200 m. (Ref. 26938). Large adults are usually solitary. Feeds mainly on sea urchins, (including Diadema, Ref. 13442), crabs and mollusks. Excellent food fish (Ref. 5521).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Reports of ciguatera poisoning (Ref. 9710)

Human uses
Fisheries: minor commercial; gamefish: yes


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (tm=3)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High vulnerability (56 of 100)	Medium

Entered by Luna, Susan M.

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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