It is described the histopathology of the infection of Tilapia rendalli (Osteichthyes, Perciformes, Cichlidae) and Hypostomus regani (Osteichthyes, Siluriformes, Loricariidae) by lasidium larvae of Anodontites trapesialis (Mollusca, Bivalvia, Mycetopodidae). The larvae were encysted within the epidermis of the host, being surrounded by a thin hyaline membrane, 3-6 microm thick, of parasite orig...

page 373 Fish brains re ̄ect an enormous evolutionary radiation 374 Based on morphology: how conclusions on sensory orientation are reached 376 Structure of ®sh brains 378 Large-scale evolutionary patterns of ®sh brains 384 Functional diversi®cation 386 Cyprinidae Gadidae Flat®shes Cichlidae and other modern perciforms How environments shape brains: turbidity, benthos and the pelagic realms 393 ...

The effect of physical factors on fish species composition was studied during 12 months inAsa Lake, Nigeria. Fish and water samples were collected bimonthly (March 2003 to February 2004) in the morning. Fish samples were caught with gill nets set at the surface and bottom habitats. There were 11 fish families and 21 species. Osteoglossidae, Anabantidae, Channidae, Schilbedae and Cyprinidae were...

Se fotografiaron especímenes recolectados hace más de 46 años en El Salvador, que se encuentran la colección peces dulceacuícolas del Museo Field Chicago, EUA; para estudiar sus condiciones y comparar su distribución geográfica con información actual. Los datos sobre las familias Ariidae Atherinidae, después 45 indican ocurren actualmente los sitios recolecta originales. Lo mismo observó captur...

This study was carried out in the inland waters of Muğla Basin between 2018-2019. As a result field studies and literature, it determined that there were 36 species fish belonging to 17 families (Anguillidae, Atherinidae, Cobitidae, Leuciscidae, Cyprinidae, Gobionidae, Nemacheilidae, Aphaniidae, Poeciliidae, Blenniidae, Centrarchidae, Cichlidae, Gobiidae, Moronidae, Mugilidae, Salmonidae, Silur...