Heterodontus quoyi

(Fréminville, 1840)

Galapagos bullhead shark
Classification: Elasmobranchii Heterodontiformes Heterodontidae

Reference of the original description
Fréminville, C.P.P. (1840)
Notice sur une nouvelle espèce de poisson appartenant au genre Cestracion de Cuvier. Magasin de zoologie, d'anatomie comparée et de palaeontologie, Guerin, (Sér. 2)(5): 1–3, pl. 3

Image of the original description

Cestracion quoyi valid as Heterodontus quoyi (Fréminville, 1840)

Synonyms / new combinations and misspellings
Centracion quoyi, Cestracion pantherinus, Cestracion quoyi, Gyropleurodus peruanus, Gyropleurodus quoyi, Heterodontus pantherinus, Heterodontus (Cestracion) quoyi

Heterodontus quoyi
Holotype: MNHN: 3445;
Cestracion pantherinus
Holotype: MNHN: 3445
Gyropleurodus peruanus
Holotype: USNM: 77691;

Description :

Citation: Heterodontus quoyi (Fréminville, 1840): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 03/2024

Please send your images of "Heterodontus quoyi" to info@shark-references.com

Heterodontus quoyi (Fréminville, 1840), Urbina Bay, Isabela Island, Galapagos, 28 March 2013 © Donna Pieracini
Common names
spa Dormilón, spa Dormilón de Galápagos, spa Gata, spa Gato, spa Suño, spa Tiburón gato, fra \(T\) Requin dormeur bouledogue, eng Galapagos bullhead shark

Eastern Pacific: Peru (including offshore islands) and the Galapagos Islands. There might be another Heterodontus species from Peru which is Heterodontus peruanus, but these two cannot be separated as of this time for lack of materials examined. Source: www.gbif.org

Human uses
fisheries: of no interest

Oviparous, paired eggs are laid. Embryos feed solely on yolk [733]. Distinct pairing with embrace [17086]. Inhabits sand flat and rocky, boulder strewn reef areas, with sand between outcroppings in inshore continental and insular waters. Feeds on shellfish, crabs, and small invertebrates.

Size / Weight / Age
107 cm SL (male/unsexed; (Ref. 5227))

reef-associated; marine; depth range 3 - 40 m (Ref. 5227), usually 16 - 30 m (Ref. 54549)

shark-references Species-ID=2797;

copyright by: Donna Pieracini