The Impact of Food Enrichment on the Behavior of Cownose Ray (Rhinoptera bonasus) Kept under Human Care [PDF]
The cownose ray (Rhinoptera bonasus) faces vulnerability primarily due to unregulated fishing, resource overexploitation, and habitat degradation.
Isabella Brosens Barros +6 more
doaj +3 more sources
Una especie nueva de Euzetia (Monogenea: Monocotylidae) de las branquias de Rhinoptera bonasus (Rhinopteridae) de Ciudad del Carmen, Campeche, México [PDF]
SE DESCRIBE EUZETIA LAMOTHEI N. SP. (MONOGENEA: EUZETIINAE), PARÁSITO DE LA BRANQUIAS DE LA MANTARRAYA RHINOPTERA BONASUS, RECOLECTADA EN CIUDAD DEL CARMEN, CAMPECHE, MÉXICO.
SCOTT MONKS, GRISELDA PULIDO FLORES
doaj +3 more sources
Distribution extension of Glyphobothrium zwerneri Williams & Campbell, 1977 (Tetraphyllidea: Serendipeidae) from the cownose ray Rhinoptera bonasus (Mitchill, 1815) (Myliobatiformes: Myliobatidae) from Campeche, México [PDF]
The collection of four specimens of Glyphobothrium zwerneri extends the geographic distribution of the species from the original locality (Chesapeake Bay, Virginia, U.S.A.) to at least Ciudad del Carmen, Campeche, México, at the southern limit of the ...
Griselda Pulido-Flores, Scott Monks
doaj +5 more sources
Aspectos da reprodução e primeiro registro de distocia em raia-ticonha (Rhinoptera bonasus) [PDF]
O registro de processos reprodutivos de elasmobrí¢nquios são raros e pouco documentados em aquários destinados í visitação pública. O presente trabalho registra o primeiro caso de distocia em raia-ticonha (Rhinoptera bonasus), (Mitchill, 1815).
Daniela Gurgel CAVALCANTE +4 more
doaj +3 more sources
EVIDENCE OF DYSTOCIA IN A FREE-RANGING COWNOSE RAY Rhinoptera bonasus (ELASMOBRANCHII, RHINOPTERIDAE) [PDF]
Capture and handling can have sublethal consequences on elasmobranchs, even when individuals are quickly released to comply with legislation or fishermen's ethics on voluntary conservation. Dystocia is characterized by the physical inability to deliver the neonate, even when it is ready for birth.
Renata Daldin Leite +3 more
openaire +3 more sources
Genetic variability and population structure of two sympatric cownose rays Rhinoptera (Myliobatiformes, Rhinopteridae) in the Western Atlantic Ocean [PDF]
Cownose rays Rhinoptera bonasus and R. brasiliensis, are species distributed along the coastal waters from eastern United States, Gulf of Mexico to Brazil.
Paola Palacios Barreto +5 more
doaj +4 more sources
Protein and cholesterol electrophoresis of plasma samples from captive cownose ray ( Rhinoptera bonasus ) [PDF]
Our study was undertaken to assess the application of semiautomated methods available at the reference laboratory level for the evaluation of plasma protein and cholesterol via electrophoresis in samples from cownose rays ( Rhinoptera bonasus). Three groups of animals were assessed: clinically normal, clinically abnormal, and parasitized with leeches ...
Carolyn, Cray +6 more
openaire +4 more sources
Occurrence of Rhinoptericola megacantha (CESTODA, TRYPANORHYNCHA) in new host and new location [PDF]
Relata-se a ocorrência de Rhinoptericola megacantha (Cestoda, Trypanorhyncha) parasitando duas raias da espécie Rhinoptera brasiliensis, de um total de sete espécimes analisados.
S.R. Napoleão +3 more
doaj +3 more sources
Cownose Ray (Rhinoptera bonasus) Predation Relative to Bivalve Ontogeny [PDF]
ABSTRACT The purpose of this study was to determine the ability of the cownose ray, Rhinoptera bonasus (Mitchill, 1815), to manipulate oysters and clams, to test for relative prey preference, and to investigate whether susceptibility to cownose ray predation changes with bivalve ontogeny.
Robert A. Fisher +2 more
openaire +3 more sources
Length–weight relationships of eleven demersal ray and shark species (Elasmobranchii) from the southern Gulf of Mexico [PDF]
The length–weight relationships (LWR) of eleven demersal elasmobranch species captured in the southern Gulf of Mexico were estimated and assessed to provide previously absent somatometric conversion factors.
Heber Zea-de la Cruz +4 more
doaj +7 more sources

