Photos show the brown hue and “patchy ... according to a study published Dec. 30 in the peer-reviewed Journal of Fish Biology. The “river system is understudied yet remarkably biodiverse.” ...

which shares the same river system in Southeast Asia. But this less celebrated species is a remarkable fish in its own right and, at 5 feet (1.5 meters) and 99 pounds (45 kilograms), it has no ...