At first glance, tube-eyes and cods seem nothing alike. The former, a ribbon-shaped, deep-sea fish, has bizarre tubular eyes that resemble goggles. The latter, one of the world’s most commercially ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

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A tiny fossil fish, roughly 3 centimeters long and approximately 436 million years old, has been identified as the oldest known bony fish ever found, pushing back the timeline for when the ancestors ...

Chinese scientists have discovered fossils of bony fish dating back about 436 million years, providing key evidence that helps fill major gaps in the evolutionary chain linking ancient fish to humans.

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate freshwater ecosystems. The new species, Acronichthys maccognoi, shows early ...

Immunostaining depicts collagen-2 (cyan) and nucleus (magenta) at the articulation in the little skate embryo's pelvic joint. Synovial joints are a key feature of most vertebrate skeletons, providing ...