Results 91 to 100 of about 411 (163)

Plasma ion levels of freshwater and marine/estuarine teleosts from Southern Brazil

open access: yesNeotropical Ichthyology, 2011
The purpose of this study was to investigate Na+, Cl-, K+, Ca2+, and Mg2+ levels in the plasma of freshwater and marine/estuarine teleosts collected at different salinities (0 to 34) from the estuarine and freshwater portions of the São Gonçalo channel ...
Alexssandro Geferson Becker   +6 more
doaj  

Community ecology of the metazoan parasites of white sea catfish, Netuma barba (Osteichthyes: Ariidae), from the coastal zone of the state of Rio de Janeiro, Brazil

open access: yesBrazilian Journal of Biology
Between March 2000 and April 2001, 63 specimens of N. barba from Angra dos Reis, coastal zone of the State of Rio de Janeiro (23°0'S, 44°19'W), Brazil, were necropsied to study their infracommunities of metazoan parasites.
L. E. R. Tavares, J. L. Luque
doaj   +1 more source

Biologia reprodutiva de Hexanematichthys proops (Siluriformes, Ariidae) no litoral ocidental maranhense Reproductive biology of Hexanematichthys proops (Siluriforme, Ariidae) in the western coast of Maranhão

open access: yesIheringia: Série Zoologia, 2007
Objetivou-se investigar a influência dos índices gonadais e nutricionais sobre a biologia reprodutiva de Hexanematichthys proops (Valenciennes, 1840) (Siluriformes, Ariidae) na costa ocidental do Maranhão entre julho de 2001 e julho de 2002. Houve uma significante dominância de fêmeas quando considerado o período total amostrado.
Geuza Cantanhêde   +2 more
openaire   +1 more source

Aspectos biometricos del bagre Arius Furthii Steindachner (Pisces Ariidae), colectado en punta Morales, Golfo de Nicoya, Costa Rica

open access: yesUniciencia, 1984
Se analizan estadísticamente algunos parámetros biométricos de 257 ejemplares de Arius furthii (Ariidae), colectados en una zona de playa y otra de manglar en Punta Morales, Puntarenas, Costa Rica.
Maurizio Protti Quesada
doaj  

Bridging archaeology and marine conservation in the Neotropics. [PDF]

open access: yesPLoS One, 2023
Fossile T   +12 more
europepmc   +1 more source

Structure and diversity of the fish assemblage in a port area of the coastal zone of the Eastern Amazon in Brazil

open access: yesBoletim do Instituto de Pesca
The aim of the present study was to characterize the ichthyofauna of the Coqueiros Strait in the state of Maranhão, Brazil. Sampling was conducted at three-month intervals from February to December 2022 at four sampling points using barrier nets with a ...
Athina da Silva Carvalho   +7 more
doaj   +1 more source

Ontogenetic and seasonal shifts in the diet of the pemecou sea catfish Sciades herzbergii (Siluriformes: Ariidae), from a macrotidal mangrove creek in the Curuçá estuary, Northern Brazil

open access: yesRevista de Biología Tropical, 2008
The feeding ecology of pemecou sea catfish (Sciades herzbergii) was studied bimonthly from September 2003 to July 2004 in a macrotidal mangrove creek at Curuçá estuary, Brazil.
Tommaso Giarrizzo, Ulrich Saint-Paul
doaj  

Nutritional composition, heavy metal contents and lipid quality of five marine fish species from Cameroon coast. [PDF]

open access: yesHeliyon, 2023
Manz JCK   +8 more
europepmc   +1 more source

Fishing over the millennia: zooarchaeological perspectives. [PDF]

open access: yesArchaeol Anthropol Sci, 2022
Robson HK, Ritchie K.
europepmc   +1 more source

Home - About - Disclaimer - Privacy