The giant snakehead (Channa micropeltes), a predatory fish native to Southeast Asia, has been found in Sri Lanka’s Deduru Oya reservoir, raising concerns over the invasive species’ potential ...

Pterygoplichthys punctatus and P. weberi, new species, are unique among hypostomines in having a medially divided buccal papilla. The two species can be separated from one another by color (small ...

At most coral reefs, the team encountered a “common” species known as Capillaster multiradiatus, or the many-rayed feather star, on their daytime scuba dives. But off the island nation of ...