Niche partitioning of time, space or resources is considered the key to allowing the
coexistence of competitor species, and particularly guilds of predators. However, the extent …

Peacock bass (Cichla spp.) originates from the Neotropical environments of Brazil and
Venezuela but, through trade and smuggling for aquarium keeping, sport fishing and …

Carrion ecology, ie the decomposition and recycling of dead animals, has traditionally been
neglected as a key process in ecosystem functioning. Similarly, despite the large threats that …

Central America contains a rich diversity of freshwater habitats that support more than 600
species of freshwater fishes. However, despite several perceived threats to the integrity of …

Biological invasions are expected to alter food web structure, but there are limited empirical
data directly comparing invaded versus uninvaded food webs, particularly in species‐rich …

Peacock basses (genus Cichla) are a group of Amazonian predatory fishes that invaded
many systems worldwide. Severe ecological impacts have been reported, but no study …

Interoceanic canals can facilitate biological invasions as they connect the world's oceans
and remove dispersal barriers between bioregions. As a consequence, multiple …

Many theories have been created to explain the mechanisms driving species coexistence.
They are mainly based on biotic interactions and abiotic factors, which are being constantly …

We assessed the spatiotemporal co-occurrence patterns of a fish assemblage in the
watershed of a stream in the western Amazon basin, and verified the influence of abiotic …

Top predator fish, such as peacock bass (Cichla kelberi) and red-bellied piranha
(Pygocentrus nattereri), were introduced in the lacustrine system of the Rio Doce basin and …