They are among the most primitive of the ray-finned fish ... The sturgeon is the largest freshwater fish in the world. There are 24 species of sturgeon worldwide, the most famous of which is ...

A “demon-toothed” sea creature with “large, well-spaced fangs” has been identified as a new species after a researcher found a fossilized partial skull in the New Mexico desert, officials said. The ...

The bony, ray-finned fish had “large ... image of the skull” to help distinguish the fish “as a new genus and species,” according to officials. Anthony Fiorillo, museum executive director ...