Scientists discover two new Priocharax miniature tetra fish species, one of which is mostly translucent, in Brazil’s Amazon basin in blackwater systems.

From gem-like fish in the Congo to cryptic geckos in Angola, dive into fascinating new species discoveries across the globe. Read the latest now.

Scientists found robust fish with wide mouths, thick lips in swiftly flowing rivers and discovered a new species: North-Prealpine stone loach, study said.

For example, in the waters of Papua New Guinea, specifically in the Tufi region, a group of marine biologists has found a new species of fish never seen before.

Scientists found robust yellow fish with slim lips and wide mouths in shallow water of lakes and discovered a new species: lake stone loach, study said.

When these invasive fish take over, they consume the same food sources that native species like walleye, bass, and perch depend on, jeopardizing fish populations that sustain both local fishing ...

Back in 1992, Gregory the pet fish chased balls and jumped for cantaloupes.