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Now showing items 1031-1040 of 1211
The relationship between perch type and aggressive behavior in the lizard Norops polylepis (Squamata: Dactyloidae)
(Universidad de Sao Paulo, 2015)
The intensity of aggression against intruders by owners of a territory has been related to the type of resources available to an individual within its territory. The influence of perch-site characteristics on aggressive ...
hCG hormonal induction in wild queen drum Cynoscion albus in captivity
(Federação de Sociedades de Biologia Experimental (Brasil), 2018)
The
queen drum, Cynoscion albus is one of the 34 species distributed along the Central América pacific coast, which is captured with a
trammel in the Gulf of Nicoya Because overfishing reports of sciaenid species in Costa ...
Crecimiento y formación de quistes dedinoflagelados, bajo condiciones controladas (Golfo de Nicoya, Costa Rica)
(Sociedad Ficológica de América Latina y el Caribe (México), 2017-11)
El Golfo de Nicoya es un estuario altamente productivo, representa una de las áreas más importantes de pesca en Costa Rica y el medio de subsistencia de muchas comunidades costeras. El objetivo de este estudio es determinar ...
La Ostricultura en Costa Rica: UNA gestión impulsada por la institucionalidad pública y comunidades del Litoral Pacífico
(Universidad Marítima Internacional (Panamá), 2018-09)
Descripción histológica de la oogénesis y espermatogénesis del camarón de cultivo, Litopenaeus vannamei
(Revista de Biología Marina y oceanografía, 2013)
This research describes detailed stages of oogenesis and spermatogenesis at histological level in the white shrimp of the western Pacific, Litopenaeus vannamei. Both processes were studied in cultured organisms under ...
Mass mortality of Canthigaster rostrata(Tetraodontiformes: Tetraodontidae) on the southern Costa Rican Caribbean coast
(Universidad Nacional (Costa Rica), 2018-01)
In 2017 a mass mortality event of the reef fish Canthigaster rostrata was observed on the Southern Caribbean coast of Costa Rica. The 86 subjects collected, possibly juveniles, were less than 49 mm and below 2.8 g. Similar ...
Distributional range expansion of Cataractocoris Marginiventris Usinger (Hemiptera: Heteroptera: Naucoridae) and first record from El Salvador
(Instituto de Ecología, A.C. - INECOL (México), 2016-04-10)
The presence of the species Cataractocoris marginiventris is recorded for the first time in El Salvador, which represents a significant expansion of the species' distribution range towards the south.
In vitro digestibility and proteases inhibitory effect of several feedstuffs for Parachromis dovii juveniles and P. dovii hybrid larvae
(Fish Physiology and Biochemistry Vol.42 No.6 1767-1776, 2016)
Parachromis dovii, a native cichlid from Costa Rica, is highly appreciated for its size and flesh quality. Further, P. dovii easily accept inert feed from the beginning of exogenous feeding; however, its growth is low ...
The effect of Ibuprofen on female and male reproduction of the open thelyca marine shrimp, Litopenaeus
(Aquaculture Research, 2013-03-11)
A research was designed to explore the effect of ibuprofen (IBU) as an intervening agent for prostaglandin biosynthesis on male and female reproduction of three species of Litopenaeus. Ovarian maturation was studied in L. ...
The proteolytic digestive activity and growth during ontogeny of Parachromis dovii larvae (Pisces: Cichlidae) using two feeding protocols
(2014)
Se evaluó la actividad proteolítica digestiva y el crecimiento de larvas de Parachromis dovii durante la ontogenia en un sistema de recirculación utilizando dos estrategias de alimentación durante un período de 28 días. ...