Results: 15

Crisis otolítica de Tumarkin: revisión de la literatura

Las crisis de Tumarkin consisten en caídas bruscas al suelo sin pródromos previos ni pérdida de conciencia y de segundos de duración que pueden ocurrir con frecuencia relativa en pacientes con enfermedad de Ménière. Si bien pueden presentarse de manera aislada durante la evolución de la enfermedad...

Migration and brackish environment use of Prochilodus lineatus (Characiformes: Prochilodontidae) inferred by Sr:Ca ratio transects of otolith

Neotrop. ichthyol; 15 (3), 2017
The streaked prochilod, Prochilodus lineatus, represents the most important fishery in the La Plata Basin (South America). Our objective was to analyze brackish environment use by the streaked prochilod captured from Paraná and Uruguay rivers. To accomplish this, lapillus otolith sections were analyzed ...

Crecimiento somático y relación ARN/ADN en estadios juveniles de Eucinostomus argenteus (Pisces: Gerreidae) en dos localidades del Caribe de Venezuela

Rev. biol. trop; 60 (supl.1), 2012
Somatic growth and RNA/DNA rate of Eucinostomus argenteus (Pisces: Gerreidae) juveniles stages at two localities of the Venezuelan Caribbean. In order to evaluate the association among growth indices of marine fishes at early life stages, the somatic growth rate and physiological conditions of Eucinostom...

Age and growth of Spanish mackerel (Scomberomorus brasiliensis) off the northeastern coast of Brazil

Neotrop. ichthyol; 7 (4), 2009
Age and growth of the Spanish mackerel (Scomberomorus brasiliensis) caught off northeastern Brazil were determined. A total of 831 otoliths were examined - 296 from males (12 - 75 cm FL), 212 from females (11.5 - 72 cm FL) and 323 from specimens of undetermined sex (12.4 - 75 cm FL). There was a high per...

Seleção das estruturas calcificadas para determinação da idade da piracatinga Calophysus macropterus Lichtenstein (Siluriformes: Pimelodidae) na Amazônia Central, Brasil

Acta amaz; 33 (3), 2003
O objetivo deste trabalho foi identificar a estrutura calcificada mais adequada para a determinação da idade da piracatinga (Calophysus macropterus). Foram analisados 440 indivíduos procedentes da pesca comercial e experimental do Baixo Solimões. Deste total, foram analisados opérculos, otólitos (a...