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Calotomus zonarchus  (Jenkins, 1903)

Yellowbar parrot
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Calotomus zonarchus   AquaMaps   Data sources: GBIF OBIS
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Image of Calotomus zonarchus (Yellowbar parrot)
Calotomus zonarchus
Male 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) > Scaridae (Parrotfishes) > Sparisomatinae
Etymology: Calotomus: Greek, kalos, kallos = beautiful + Greek, tomos = section, cut (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 12 - 170 m (Ref. 525).   Tropical

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

Pacific Ocean: Midway and Hawaiian islands.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL male/unsexed; (Ref. 9710)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 9; Vertebrae: 25. When fresh, reddish brown to brown dorsally, reddish to almost white ventrally; irregular fine whitish marks on scales. Head with white speckling; a reddish transverse band on chin, followed by a diffuse white band; reddish iris. Whitish pectoral fins, base reddish brown; 3 narrow irregular brownish red stripes on whitish pelvic fins. Pungent dorsal spines; rounded caudal fin at all sizes. Skin dark around anus, almost black. Lateral line interrupted.

Biology     Glossary (e.g. epibenthic)

Occurs in areas of coral rock with coral or rubble, from the lower surge zone to at least 10 m (Ref. 9710). Benthopelagic (Ref. 58302). Protogynous (Ref. 55080).

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

Pair spawnings involved an initial- and a terminal-phase fish; group spawnings involve several of both. Investigations strongly suggest that the species is gonochoristic.

Main reference Upload your references | References | Coordinator : Westneat, Mark | Collaborators

Bruce, R.W. and J.E. Randall, 1985. A revision of the Indo-West Pacific parrotfish genera Calotomus and Leptoscarus (Scaridae: Sparisomatinae). Indo-Pac. Fish. (5):32 p. (Ref. 525)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 8.9 - 21.7, mean 13.5 (based on 11 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (26 of 100) .