Amazon basin fish species living in lakes, floodplain forests and river systems need a high degree of connectivity to stay genetically diverse and healthy, but this connectivity is threatened by ...

The fires burning through the Brazilian Amazon are a threat to the fish that rely on forest flooding to survive, raising fears the fish will be lost. The Amazon rainforest in Brazil is still burning, ...

Most fish abandon their young at hatching, but not discus fish. Researchers have discovered that discus fish parent like mammalian mothers. Not only do the parents feed their young from mucus secreted ...

The Amazon molly is thought to be a hybrid of two different species Evolutionary theory suggests that species favouring asexual reproduction will rapidly become extinct, as their genomes accumulate ...