Results 31 to 40 of about 428 (158)
Acta Scientiarum: Biological Sciences, 2008 Potamotrygonidae constitui o único grupo recente de Chondrichthyes cujo habitat está restrito, exclusivamente, a águas continentais. Na planície de inundação do Alto rio Paraná, espécies desta família estabeleceram-se após o fechamento das comportas da ...
Antonio Guilherme Cândido da Silva +1 more
doaj +1 more source
Revista Brasileira de Parasitologia Veterinária, 2018 The helminthological examination of nine individuals of Aetobatus cf. narinari (spotted eagle ray; raya pinta; arraia pintada) revealed the presence of an undescribed species of cestode of the genus Acanthobothrium. The stingrays were collected from four
Erick Rodríguez-Ibarra +3 more
doaj +1 more source
Shark and ray diversity in the Tropical America (Neotropics)—an examination of environmental and historical factors affecting diversity [PDF]
PeerJ, 2018 We present the first comprehensive review of the present and past shark and ray diversity in marine waters of Tropical America, examining the patterns of distribution in the Eastern Central Pacific (EP) and Western Central Atlantic (WA) realms.
Jorge Domingo Carrillo-Briceño +3 more
doaj +2 more sources
Biota Colombiana, 2016 Between february and december of 2011 the fish communities of the ciénaga de Paredes, were studied by four samples in periods contrasting climates, station 1, corresponding to the inlet of the pipe Peruétano (BCP), station 2, Swamp Center (CC) and ...
Beatriz H. Mojica-Figueroa +1 more
doaj +1 more source
Simplification of the enameloid microstructure of large stingrays (Chondrichthyes: Myliobatiformes): a functional approach [PDF]
Zoological Journal of the Linnean Society, 2013 Enault, Sebastien, Cappetta, Henri, Adnet, Sylvain (2013): Simplification of the enameloid microstructure of large stingrays (Chondrichthyes: Myliobatiformes): a functional approach. Zoological Journal of the Linnean Society 169 (1): 144-155, DOI: 10.1111/zoj.12059, URL: http://dx.doi.org/10.1111/zoj ...
Enault, Sebastien +2 more
openaire +4 more sources
Zoological Letters, 2019 Background End-Cretaceous niche-filling by benthic Mesozoic survivors resulted in a prominent increase of durophagous fish families, resulting in the appearance of the earliest representatives of several extant fish lineages, including the pelagic ...
Giuseppe Marramà +3 more
doaj +1 more source
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 6, June 2026.ABSTRACT The family Narcinidae has a cosmopolitan distribution; however, its systematic composition and phylogenetic position within Torpediniformes remain poorly understood. This study evaluates the evolutionary and biogeographic history of the family Narcinidae and investigates its distribution patterns using molecular systematics.
Luis Fernando da Silva Rodrigues‐Filho +7 more
wiley +1 more source
New record of Arabic whipray, Maculabatis arabica (Elasmobranchii: Myliobatiformes: Dasyatidae), from the Persian Gulf off Iraq [PDF]
Acta Ichthyologica et Piscatoria, 2020 The first occurrence of Arabic whipray, Maculabatis arabica Manjaji-Matsumoto et Last, 2016, is reported from the Persian Gulf off Iraq. The sample was collected using a trawl net in March 2018.
A. Al-Faisal, F. Mutlak
doaj +3 more sources
Conservation Science and Practice, Volume 8, Issue 5, May 2026.This study combines literature and online data sources to expand the smalleye stingray's range, highlight ecological interactions and specific threats. Abstract Many chondrichthyan fishes are experiencing alarming population declines primarily due to overfishing, exacerbated by their inherently vulnerable life history traits including slow growth rates
Jennifer Ann Keeping +4 more
wiley +1 more source