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Pseudobatos horkelii, Brazilian Guitarfish
(International Union for Conservation of Nature, 2020-12)
The Brazilian Guitarfish (Pseudobatos horkelii) is a small (to 138 cm total length) shark-like ray that occurs in the Southwest Atlantic from Rio de Janeiro, Brazil, to northern Argentina. It is demersal on soft substrates ...
Zapteryx brevirostris, Shortnose Guitarfish
(International Union for Conservation of Nature, 2020-12)
The Shortnose Guitarfish (Zapteryx brevirostris) is a small (to 66 cm total length) benthic shark-like ray that occurs in the Southwest Atlantic from Espírito Santo state, Brazil to Buenos Aires, Argentina. It inhabits ...
Illegal trade of the guitarfish Rhinobatos horkelii on the coasts of central and southern Brazil: genetic identification to aid conservation
(Wiley-Blackwell, 2012-03-01)
Among the diverse species of guitarfish, Rhinobatos horkelii is endemic to the south-west Atlantic and is primarily found off the Brazilian coast. The IUCN has classified this species as being in critical danger of extinction ...
Illegal trade of the guitarfish Rhinobatos horkelii on the coasts of central and southern Brazil: genetic identification to aid conservation
(Wiley-Blackwell, 2012-03-01)
Among the diverse species of guitarfish, Rhinobatos horkelii is endemic to the south-west Atlantic and is primarily found off the Brazilian coast. The IUCN has classified this species as being in critical danger of extinction ...
Metal contamination in threatened elasmobranchs from an impacted urban coast
(Elsevier B.V., 2021-02-25)
Guitarfishes and angelsharks are two of the most endangered elasmobranch groups. Despite this, limited knowledge exists regarding the effects of environmental contamination in these groups. For this reason, this study ...
Ecomorphology of oral papillae and denticles of Zapteryx brevirostris (Chondrichthyes, Rhinobatidae)
(2016-06-01)
Elasmobranchs have an impressive range of highly specialized sensory systems shaped over 400 million years of evolution. The morphological analysis of oral papillae and denticle in elasmobranchs elucidates the biological ...
Identification of guitarfish species Rhinobatos percellens, R. horkelli, and Zapteryx brevirostris (Chondrichthyes) using mitochondrial genes and RFLP technique
(Springer, 2009-12-01)
The RFLP represents a fast and non-expensive tool to access species identification and can be used by fishery and law enforcement authorities to gather data from legal and illegal ray fisheries. In the present study, partial ...
Forensic identification of the guitarfish species Rhinobatos horkelli, R-percellens and Zapteryx brevirostris using multiplex-PCR
(Wiley-Blackwell Publishing, Inc, 2010-01-01)
Rhinobatos percellens, Rhinobatos horkelli and Zapteryx brevirostris, known as guitarfish, are commonly found inshore and caught by trawl nets. Recently, these species have been suffering sharp population declines. One of ...
First record of Gorgona guitarfish, Rhinobatos prahli, from the Gulf of Tehuantepec, Mexican Pacific
(Marine Biodiversity Records, 2012)
The capture of two Gorgona guitarfish, Rhinobatos prahli, in the Gulf of Tehuantepec represents the first record for the species in Mexican waters and its northernmost range extension in the eastern Pacific.
Identification of guitarfish species Rhinobatos percellens, R. horkelli, and Zapteryx brevirostris (Chondrichthyes) using mitochondrial genes and RFLP technique
(Springer, 2009-12-01)
The RFLP represents a fast and non-expensive tool to access species identification and can be used by fishery and law enforcement authorities to gather data from legal and illegal ray fisheries. In the present study, partial ...