Results 101 to 110 of about 12,739 (216)

Responsible fisheries enhancing poverty alleviation of fishing communities of Lake Kainji [PDF]

open access: yes, 2005
The attributes of responsible fisheries in enhancing Poverty Alleviation of fishing Communities of Lake Kainji were appraised. After impoundment in 1968, the catch per unit effort of fish continued on a downward trend, which suggested a decline in the ...
Abiodun, J.A.   +5 more
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Caudal Spotting in the Beacon Fish (Hemigrammus ocellifer Characidae) [PDF]

open access: yesJournal of Heredity, 2002
The beacon fish (Hemigrammus ocellifer) exhibits two phenotypes associated with spotting at the base of the caudal fin, with fish either possessing (H. o. ocellifer) or lacking (H. o. falsus) a prominent red spot in this region. Segregation patterns observed from the progenies of 15 different crosses support a hypothesis that caudal spotting in this ...
openaire   +2 more sources

Alau reservoir: a multi-dimensional resource base in Borno State [PDF]

open access: yes, 1999
Aspects of the fishery resources of Alau Reservoir in Maiduguri are reported upon in this paper. It focuses attention on the fishery in terms of fish abundance and potential. It also discusses other resources associated with the fish production.
Bankole, N.O., Okaeme, A.N.
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La mojarra desnuda o bronceada [PDF]

open access: yes, 2011
Fil: Miquelarena, Amalia María. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Nadalin, Diego Oscar. División Zoología Vertebrados.
López, Hugo Luis   +2 more
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A new species of Acestrocephalus (Characiformes: Characidae) from Venezuela.

open access: yesRevista de biologia tropical, 2000
A new species of Acestrocephalus is described from 60 specimens collected in the Río Orinoco and Río Negro drainages, Venezuela. This species is distinguished. from aH other Acestrocephalus by the combination of the foHowing characters: anal rays, 29-36; 63-71 perforated scales on (he lateral line; 10-12 scales aboye and 9-12 below the lateral line; 39-
Lasso, Carlos A., Taphorn, Donald C.
openaire   +5 more sources

INFESTAÇÃO AGUDA POR Henneguya sp (PROTOZOA, MIXOSPOREA) E DACTYLOGYRIDAE (PLATYHELMINTHES, MONOGENEA), EM PACU, Piaractus mesopotamicus (HOLMBERG, 1887) (OSTEICHTHYES, CHARACIDAE)

open access: yesBoletim do Instituto de Pesca, 2018
Descreve-se uma infestação aguda por Henneguya sp (Protozoa, Myxosporea) e Dactylogyridae (Platyhelminthes, Monogenea) em pacu, Piaractus mesopotamicus Holmberg, 1887 (Osteichthyes, Characidae), ao ní­­vel das brí­¢nquias, que apresentaram cistos ...
Agar Costa ALEXANDRINO   +5 more
doaj  

Caracterización citogenética del pez neotropical Brycon henni (Pisces: Characidae)

open access: yesRevista de Biología Tropical, 2007
La sabaleta Brycon henni, es un pez nativo del occidente colombiano importante para la seguridad alimentaria de las poblaciones ribereñas y para la pesca deportiva por sus característica combativas. El desarrollarse entre los 18 y 28ºC la convierte en una especie de cultivo promisoria.
David López, Diana   +3 more
openaire   +7 more sources

THE CONSERVATION STATE OF CHARACIDAE FISH (PISCES: CHARACIFORMES) IN AN AREA OF THE PLATA BASIN, ARGENTINA ESTADO DE CONSERVACION DE PECES CHARACIDAE (PISCES: CHARACIFORMES) EN UN AREA DE LA CUENCA DEL PLATA, ARGENTINA

open access: yesGayana, 2007
The fish conservation was quantified by means of the index SUMIN, composed by the summation of 12 outstanding variables for the species survival and/or conservation.
Marcelo A Zayas, Elly Cordiviola
doaj  

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.
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Bibliografía argentina de peces de agua dulce. [PDF]

open access: yes, 2006
Espanol: En la presente lista bibliográfica fueron recopiladas las referencias sobre los peces continentales de la Argentina, del período comprendido entre mediados del siglo XVIII y fines del año 2005.
Cuello, Mariela V.   +4 more
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