Fossilization is a tricky business; some species preserve only a few bones, while others are discovered with a ...

An unusually well-preserved Australian fossil reveals details about the diet, behavior, and appearance of a ...

DESCRIPTION: Freshwater mussels are bivalve mollusks that have a two ... Larvae and juveniles are carried downstream by river currents and can be carried upstream on the gills of their host fishes.

Other mussels can jump up and clamp onto a fish’s face to expel their larvae onto its gills. • Worldwide there are 890 known freshwater mussel species, and 302 of those live in North America.

Freshwater mussels, also known as clams ... Like fish, mussels also have gills. The gills of mussels help these animals filter water. Mussels survive by taking in water, keeping microorganisms and ...

Scientists have discovered a 15 million-year-old freshwater fish fossil, which showed what was in its stomach.

Fish are a type of animal that live in water. They breathe oxygen underwater through their gills. Fish can be found in freshwater, like ponds and streams, and also in salty seawater. Fish come in ...

The discovery of new fish species that inhabited Australia's freshwater lakes and rivers 15 million years ago provides ...

In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, ...