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.

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 ...

California Academy of Sciences researchers and collaborators described 72 new-to-science species in 2025, including a bird, fish, plants, sea slugs, and insects found across six continents, from ocean ...