Introductions of non‐native freshwater fish continue to increase globally, although only a
small proportion of these introductions will result in an invasion. These invasive populations …

Freshwater ecosystems are among the most diverse and dynamic ecosystems on Earth. At
the same time, they are among the most threatened ecosystems but remain …

Freshwater megafish species, such as sturgeons, salmonids, carps, and catfishes, have a
maximum reported weight≥ 30 kg. Due to their charisma and economic value, they have …

Sea lamprey (Petromyzon marinus) is a unique jawless vertebrate among the most primitive
of all living vertebrates. This migratory fish is endangered in much of its native area due to …

Fisheries are among the human activities that are most strongly affected by ongoing climate-
related changes in the presence and abundance of fish species across the globe. The …

The ecological features of invasive alien species are crucial for their effective management.
However, they are often lacking in newly invaded ecosystems. This is the case of the …

Teleost fishes interact with diverse microbial communities, playing crucial functions for host
fitness. While gut microbiome has been extensively studied, skin microbiome has been …

Predatory fish species play a key role in aquatic ecosystems by exerting top‐down control
on the food web. Also, their intra‐guild trophic interactions (ie competition) are crucial for the …

Human activity has caused longitudinal fragmentation of many rivers. Fishways have been
installed worldwide, but their successive use by potamodromous species remains poorly …

Biological invasions are a major component of global change worldwide. But paradoxically,
an invasive species might also have threatened populations within its native range …