Trophic interactions are important factors structuring animal communities. We assessed the
trophic relations of four fish species that live in sympatry in the River Ladra (NW Spain), and …

The feeding ecology of the exotic invasive black bullhead Ameiurus melas was conducted in
the Iberian Peninsula for the first time. Dietary analysis based on the stomach contents of …

Diet composition and feeding habits of the burrowing fish Parapocryptes serperaster were
investigated on different fish sizes across dry and wet seasons in the Mekong Delta …

Microplastics are a pervasive pollutant of aquatic ecosystems and are reported to interact
with a wide range of aquatic biota. The complexities of natural food webs means that the …

The brown trout (Salmo trutta) is a species of Eurasian origin, but at has become naturalized
in many other parts of the world. It has an outstanding socio-economic importance, both in …

Field studies were conducted to examine intra-specific diet variation in a population of
brown trout (Salmo trutta L.) in a temperate area (River Tormes, Central Spain) during the …

Brown trout, Salmo trutta, is a polymorphic species that exhibits different migratory behaviors
in different streams. Some populations contain juveniles that eventually migrate to the sea …

Diet composition of newly emerged brown trout fry in natural areas remains poorly known,
and foraging abilities at this early stage, although presumably reduced, are still under …

Functional traits are growing in popularity in modern ecology, but feeding studies remain
primarily rooted in a taxonomic‐based perspective. However, consumers do not have any …

The alimentary tract content composition of 106 European minnow (Phoxinus phoxinus, 25–
75 mm TL) and 49 gudgeon (Gobio lozanoi, 31–123 mm TL) captured in August 1996 in the …