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Mexican hornshark
| Mexican hornshark | |
|---|---|
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| Scientific field drawing | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Heterodontiformes |
| Family: | Heterodontidae |
| Genus: | Heterodontus |
| Species: | H. mexicanus
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| Binomial name | |
| Heterodontus mexicanus L. R. Taylor & Castro-Aguirre, 1972
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| Range of Mexican bullhead shark (in blue) | |
The Mexican hornshark (Heterodontus mexicanus) is a bullhead shark of the family Heterodontidae. This shark is grey-brown in color, with black spots scattered on the fins and body. It has a cylindrical trunk, conical head, and small spiracles behind the eyes. The snout of the Mexican hornshark is very round and blunt. Like all members of the order Heterodontiformes, this shark has fin spines in front of both of its dorsal fins. The first dorsal fin originates before the pectoral fins, while the second dorsal fin originates behind the pelvic fins. The Mexican hornshark reaches a maximum length around 70 cm, but usually reaches between 50 and 60 cm on average. Young hornsharks hatch around 14 cm.[2]
- ^ Pollom, R., Avalos, C., Bizzarro, J., Burgos-Vázquez, M.I., Cevallos, A., González, A., Herman, K., Mejía-Falla, P.A., Morales-Saldaña, J.M., Navia, A.F., Pérez Jiménez, J.C. & Sosa-Nishizaki, O. 2020. Heterodontus mexicanus. The IUCN Red List of Threatened Species 2020: e.T60235A124454650. https://dx.doi.org/10.2305/IUCN.UK.2020-3.RLTS.T60235A124454650.en . Retrieved 11 May 2022 .
- ^ Godknecht, Alexander J. "Mexican hornshark (Heterodontus mexicanus)". shark.ch.
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