Click on each species to see whether it makes a suitable pet based on WWF’s assessment around the five potential risk themes.

New pieces have been added to the puzzle of the evolution of some of the oldest fish that lived on Earth more than 400 million years ago. In two separate studies, experts in Australia and China have ...

The northern Brazilian state of Maranhão covers a total area of 331,983.29 km 2 (Brasil, 2002; Porto et al., 2019), which encompasses phytogeographic and climatological features that reflect the ...

While most animals manage to avoid inbreeding through scent recognition or by leaving their packs, others (such as those ...

We test whether jewel cichlids make effective bait while chasing exotic and aggressive species.

Have you ever wished you could swim like a fish? How about speak like one? In a paper recently published in the Journal of ...

The Business Standard observed that sucker fish, croaking gourami, piranha, and alligator gar have all encroached on native aquatic ecosystems, with some damaging the river's natural balance and ...

Dozens of Mayan cichlids are turning up dead, leaving fish keepers and anglers searching for answers. Once thriving in warm, shallow waters, these colorful fighters are suddenly disappearing. Is it ...