Results: 2

Spatial and temporal variation of the diet of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon

Benone, Naraiana Loureiro; Lobato, Cleonice Maria Cardoso; Soares, Bruno Eleres; Montag, Luciano Fogaça de Assis.

Neotrop. ichthyol; 18 (4), 2020

Spatial and temporal variations in streams promote large fluctuations of resource availability, thus affecting the diet of fishes. We evaluated the effects of hydrological periods and stream order within periods on the diet of the flag tetra Hyphessobrycon heterorhabdus. We analyzed 160 stomachs in eight...

Characiformes/fisiología, Characiformes/metabolismo, Dieta, Ecosistema Amazónico, Alimentación Animal, Características de la Residencia, Distribución Temporal

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Reproduction, feeding and migration patterns of Prochilodus nigricans (Characiformes: Prochilodontidae) in northeastern Ecuador

Silva, Eddy A; Stewart, Donald J.

Neotrop. ichthyol; 15 (3), 2017

The black prochilodus, Prochilodus nigricans, is an important food fish distributed throughout aquatic habitats of the Ecuadorian Amazon. We sampled gonad weight, body condition, and feeding of this species to address the question of whether changes in these biological parameters are related to hydrologi...

Characiformes/metabolismo, Composición Corporal, Técnicas Reproductivas/veterinaria, Characiformes/anatomía & histología