The Amazon has environmental characteristics that make it unique, and the species that
inhabit it have physiological features that demonstrate their adaptation to an Amazonian …

This study aimed to characterize the reproductive biology of Hyphessobrycon
heterorhabdus, and its response to environmental variations in the Eastern Amazon …

Trophic plasticity is a distinctive feature of freshwater fishes, representing an essential
strategy for fish living in resource-variable environments. We analyzed the stomach contents …

In lotic ecosystems, a higher availability of allochthonous food resources is expected during
floods and rainfall events, which may yield a higher consumption of these resources by …

Land use changes modify aquatic ecosystems by changing their physical structure and
biodiversity and generally reduce riparian vegetation, increase erosion of the margins, and …

The present study aimed to characterize the diet of Moenkhausia collettii and investigate
possible changes due to environmental variations and its body size in streams in the eastern …

Hyphessobrycon heterorhabdus (Ulrey, 1894), popularly known as 'Flag Tetra'in English
speaking countries, belongs to the genus Hyphessobrycon of the family Characidae, and is …

Studies relating to fish trophic ecology provide important insights regarding their life history.
However, there is a lack of information linking fish diet composition with riparian cover in …

RESUMO O conhecimento sobre os fatores ambientais e biológicos que influenciam as
variações na dieta das espécies de peixes é imprescindível para a compreensão dos …

Understanding how functionally similar species segregate resources to minimize
competition is vital for predicting evolutionary factors and patterns of coexistence. We …