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Canthigaster tyleri (Allen & Randall, 1977).
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Canthigaster tyleri (Allen & Randall, 1977).
  • Photo. (c) 2022 BSS/MCSS.
Genus: ,

Scientific Name: Canthigaster tyleri

English Name: Tyler's toby

Creole Name:

French Name:

IUCN Red List Status: Least Concern (LC)



Information

Description:

Dorsal Spines: 0; Dorsal rays: 9; Anal spines: 0; Anal rays: 9.

Small round-bodied fish, somewhat laterally compressed. Large eyes, long snout with small terminal mouth. There is a notable dorsal hump on the nape. No scales. 
The dorsal fin is small and posteriorly positioned. The pelvic fins are absent, the anal fin is small and located at the same level as the dorsal. The peduncle is broad and 
the caudal fin is rarely deployed.

Colour. Head and body light tan, paler ventrally. Eyes surrounded by white ring unclosed in upper part. Dark brown to orange-brown spots about size of the pupil or smaller 
cover the sides of head and body. Ventral surface scattered with small whitish spots. The snout exhibits 7-8 narrow brown bars, the anterior ones entirely encircling the 
snout. Dark lines radiate from the eye forming pattern bewteen eyes and dorsally to origin of dorsal fin, including a circle in the centre of the dorsal hump. Fins 
transparent. Base of pectoral fin yellow. 


Size:

Maturity: Unknown. Max length: 9.0 cm TL.
 


Habitat and Ecology:

Coral reef-associated species which inhabits clear lagoon and seaward reefs (depth 1-40 m). Secretive, often in holes or under ledges. Feeds on a variety of algae, sponges and
small invertebrates. Oviparous. Contain a toxin in their skin, viscera and gonads. Canthigasters can also inflate their bellies with water, to increase their volume when 
threatened.


Fishery Status:

This species is not protected or subject to fishery regulations. It is not subject to the artisanal fishery. 


Notes:

Photo courtesy Eleanor Brighton and Chris Mason-Parker (c) 2022 Blue Safari Seychelles/Marine Conservation Society, Seychelles. Photograph taken at Alphonse group 2022.
 


References:

Allen, G.R. & Randall, J.E. (1977). Review of the sharpnose pufferfishes (Subfamily Canthigasterinae) of the Indo-Pacific. Records of the Australian Museum 30(17): 475–517. 
[31 December 1977]. doi:10.3853/j.0067-1975.30.1977.192 ISSN 0067-1975
DORIS. TYLER'S CANTHIGASTER Canthigaster tyleri | Allen & Randall, 1977. https://doris.ffessm.fr/Especes/Canthigaster-tyleri-Canthigaster-de-Tyler-3209 (18/07/22).  
Froese, R. & D. Pauly. (Eds.) (2022). FishBase. https://www.fishbase.se/summary/Canthigaster-tyleri.html (18/07/22). 
Shao, K. et al. (2014). Canthigaster tyleri. The IUCN Red List 2014: https://dx.doi.org/10.2305/IUCN.UK.2014-3.RLTS.T193820A2282798.en. (17/07/22).


Citation:

Nevill, J.E.G., Brighton, E. & Mason-Parker, C. (2022). Canthigaster tyleri, Tyler's toby. Seychelles Seatizens. www.seatizens.sc. https://seatizens.sc/species/canthigaster-tyleri-allen-randall-1977/


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