Presence of pregnant females of the Gorgona guitarfish, Pseudobatos prahli, in the Mexican tropical Pacific.

Autor: Díaz-Carballido PL; Posgrado en Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Yucatán, Mexico., Gutiérrez-Coria AA; Posgrado en Ciencias Marinas y Costeras (CIMACO), Universidad Autónoma de Baja California Sur (UABCS), La Paz, Mexico., Carrasco-Bautista PE; Instituto de Recursos, Universidad del Mar, San Pedro Pochutla, Mexico., Ramírez-Chávez EJ; Instituto de Ecología, Universidad del Mar, San Pedro Pochutla, Mexico., Torres-Huerta AM; Instituto de Recursos, Universidad del Mar, San Pedro Pochutla, Mexico.
Jazyk: angličtina
Zdroj: Journal of fish biology [J Fish Biol] 2020 Dec; Vol. 97 (6), pp. 1852-1856. Date of Electronic Publication: 2020 Oct 07.
DOI: 10.1111/jfb.14534
Abstrakt: Five specimens (four females and one male) of the Gorgona guitarfish, Pseudobatos prahli, were sighted during two dives carried out off the western Gulf of Tehuantepec. This document describes the reproductive condition of three adult females captured, two of which had uterine eggs, whereas one had embryos. The sighting and capture of specimens occurred during two Tehuano wind events; the authors, therefore, believe that variations in temperature and dissolved oxygen could have affected P. prahli, leading it to carry out temporal migrations towards coastal shallow waters.
(© 2020 Fisheries Society of the British Isles.)
Databáze: MEDLINE
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