Paracanthurus hepatus (Linnaeus, 1766)
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Paracanthurus hepatus (Linnaeus, 1766)

Genus: ,

Scientific Name: Paracanthurus hepatus

English Name: Palette surgeonfish

Creole Name: Korn ble

French Name: Chirurgien bleu

IUCN Red List Status: Least Concern (LC)

Description:

Dorsal spines: 3; Dorsal rays: 25-27; Anal rays: 24-25.

Greyish to greenish brown dorsally, with small pale spots. Whitish ventrally with yellow spots that can coalesce to form a reticulum particularly posteriorly.  3 large 
oval white spots along the back and a small one dorsally on caudal peduncle; a broad white streak often on side of body posterior to upper end of gill opening. White 
blotches and mid-lateral stripe can disappear with growth.  An oblique groove before the eye; large bony scales behind gill opening. Caudal peduncle depressed, slender 
and tapering. Yellow bands on dorsal and anal fins. Caudal fin, yellow with white bars and stripes pattern and diffuse black margin, double emarginate, lobes longer 
with growth.


Size:

Maturity: Lm unknown. Range unknown. Max Length: 60cm TL


Habitat and Ecology:

Reef associated. Inhabits mud and silt sand bottoms (depth 7-350m), usually 7-100m depth on sand, sponge, and weed bottoms. Feeds on benthic animals, including crabs, 
molluscs and sea urchins. Juveniles in sheltered coastal bays and estuaries.


Fishery Status:

This species is not protected or subject to fishery regulations. It is caught in both the fish trap and hand line fisheries and is, along with Sufflamen fraenatum, 
the most commonly caught triggerfish in the artisanal fishery.

 

 


Notes:

Abalistes stellaris is a synonym for this species.


References:

Bray, D.J. (2018).  Abalistes stellatus in Fishes of Australia, http://fishesofaustralia.net.au/home/species/759 (30/10/18). 
Froese, R. & D. Pauly. Eds. (2018). FishBase https://www.fishbase.de/summary/abalistes-stellatus  (30/10/18)
Matsuura, K. (2015). Taxonomy and systematics of tetraodontiform fishes: a review focusing primarily on progress in the period from 1980 to 2014. Ichthyol Res (2015) 
62:72–113 DOI 10.1007/s10228-014-0444-5  
Matsuura, K. & Motomura, H. (2015). Abalistes stellatus. The IUCN Red List 2015: e.T193587A56996805. https://www.iucnredlist.org/species/193587/56996805 (18/06/22). .
Matsuura K, Yoshino T (2004). A new triggerfish of the genus Abalistes (Tetraodontiformes: Balistidae) from the western Pacific. Rec Aust Mus 56:189-194
Smith, M & Heemstra, P Eds. (1999). Smiths’ Sea Fishes Edition 6. Springer-Verlag Berlin Heidelberg 10.1007/978-3-642-82858-4


Citation:

Nevill, J.E.G. & Mason-Parker, C. (2019). Abalistes stellatus, Starry triggerfish. Seychelles Seatizens. www.seatizens.sc. https://seatizens.sc/species/abalistes-stellatus-anonymous-1798/  (updated 18/06/22).


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Description:

Dorsal spines: 9; Dorsal rays: 19-20; Anal spines: 3; Anal rays: 18-19.

Body bright blue shading to yellow ventrally. Anterolateral glandular groove with venom gland.
A black band originating from the eye, broadens posteriorly, continuing to full width of caudal peduncle, and containing a large elliptical blue area. Caudal fin truncate 
and yellow with broad black upper and lower margins, the yellow extending forward to enclose caudal spine. Caudal fin of juveniles slightly rounded.


Size:

Maturity: Lm unknown. Range unknown. Max Length: 31cm TL.
 


Habitat and Ecology:

Typically found in clear water on exposed outer reef areas and channels (depth 2-40m, usually 20-40m). Observed in small aggregations. Feeds on zooplankton and algae. 
Forms spawning aggregations around outer reef slopes.
 


Fishery Status:

This species is not protected or subject to fishery regulations. It is caught in the fish trap fishery, but is a rare component of the catch. 
 


Notes:

 

 


References:

Froese, R. & D. Pauly. Eds. (2018). FishBase https://www.fishbase.de/summary/Paracanthurus-hepatus.html  (18/10/18)
McIlwain, J. et al. (2012). Paracanthurus hepatus. The IUCN Red List 2012: e.T177972A1507676. http://dx.doi.org/10.2305/IUCN.UK.2012.RLTS.T177972A1507676.en. (18/10/18).
Randall, J.E. (2001). Surgeonfishes of Hawaii and the World. ISBN: 1-56647-561-9


Citation:

Nevill, J.E.G. (2019). Paracanthurus hepatus, Palette surgeonfish. Seychelles Seatizens. www.seatizens.sc  https://seatizens.sc/species/4030-2/ (edited 17/06/22).   
 


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