Results 91 to 100 of about 2,361 (207)

Age determination by sclerite numbers, and scale variations in six fish species from the Central Amazon (Osteichthyes, Characoidei)

open access: yes, 1984
The scales of 6 different species of three families (Brycon cf. melanopterus (Characidae), Semaprochilodus theraponura (Curimatidae), Semaprochilodus taeniulus (Curimatidae), Prochilodus nigricans (Curimatidae), Curimata cf .
Soares, G., Werder, U.
core  

Structure et minéralisation des écailles de quelques Characiformes de Guyane (Osteichthyes, Teleostei) [PDF]

open access: yes, 1994
Les écailles de cinq espèces de Characiformes (#Leporinus friderici$, #Anastomidae$ ; #Triportheus rotundatus$, #Characidae$ ; #Curimata cyprinoides$, #Curimatidae$ ; #Hoplias aimara$, #Erythrinidae$ ; #Myleus romboidalis$, #Serrasalmidae$) ont été ...
Meunier, F.J.
core  

Observations on non-randomly distribution of spores of Henneguya spp. (Cnidaria, Myxosporea, Myxobolidae) within plasmodia [PDF]

open access: yes, 2017
Species of the cnidarian genus Henneguya Thelohan, 1892 (Myxosporea: Myxobolidae) are histozoic parasites commonly found in freshwater and, more rarely, in marine fish.
Adriano, Edson A.   +6 more
core   +2 more sources

Atividade pesqueira e conhecimento etnoictiológico na comunidade de pescadores artesanais de Miguel Alves/PI, Brasil

open access: yesBoletim do Instituto de Pesca, 2018
Por intermédio da pesca, os pescadores exploram o ambiente aquático e estabelecem interações com o ambiente. Objetivou-se caracterizar a atividade pesqueira na comunidade de pescadores artesanais de Miguel Alves/PI, quanto aos apetrechos de pesca ...
Kelly Polyana Pereira SANTOS   +4 more
doaj   +1 more source

Genetic variation in plasma transferrins of tambaqui, Colossoma macropomum (CUVIER 1818)

open access: yes, 1985
Blood specimens of tambaqui, Colossoma macropomum, an Amazonian fish of commercial importance, were examined for transferrin variants by treating blood plasma specimens with rivanol before electrophoretic analyses in starch gel media.
Jamieso, A., Teixeira, A.
core  

Liste commentée des poissons de l'Amazonie bolivienne [PDF]

open access: yes, 1991
Après une brève présentation de l'Amazonie bolivienne, des milieux prospectés, de l'effort de pêche, des travaux anciens et récents, les auteurs founissent une liste commentée des poissons rencontrés.
Lauzanne, Laurent   +2 more
core  

Isonebula clavuslongus n. sp. (Isopoda: Cymothoidae) parasitizing Myloplus ternetzi (Norman, 1929), a fish of the family Serrasalmidae, in the Brazilian Amazon region [PDF]

open access: yesAnais da Academia Brasileira de Ciências
Crustaceans of the family Cymothoidae are important components of the invertebrate fauna of marine and freshwater environments. The genus Isonebula Taberner, 1977, has only two described species (Isonebula maculatus (Taberner, 1977) and Isonebula ...
MARCOS SIDNEY B. OLIVEIRA   +4 more
doaj   +1 more source

Population genetic structuring in pacu (Piaractus mesopotamicus) across the Paraná-Paraguay basin: evidence from microsatellites [PDF]

open access: yes, 2009
The Paraná-Paraguay basin encompasses central western Brazil, northeastern Paraguay, eastern Bolivia and northern Argentina. The Pantanal is a flooded plain with marked dry and rainy seasons that, due to its soil characteristics and low declivity, has a ...
CALCAGNOTTO, Daniela, DESALLE, Rob
core   +1 more source

METAZOÁRIOS PARÁSITOS DE SERRASALMUS ALTISPINIS (SERRASALMIDAE) DE LAGOS INUNDABLES DE LA AMAZONÍA BRASILEÑA

open access: yesNeotropical Helminthology, 2018
Este trabajo describe la fauna parasitaria de Serrasalmus altispinis Merckx, Jégu y Santos, 2000 provenientes de lagos inundables de la Amazonía brasileña. Todas las especies identificadas representan los primeros registros para este hospedero. Los lagos estudiados fueron: Baixio, Preto, São Tomé, Ananá, Araçá y Maracá, localizados entre las ciudades ...
Germán Augusto Murrieta Morey   +1 more
openaire   +2 more sources

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