Decade-Long Study Reveals Zombie Worms Are Missing from the Sea—Scientists Flag Concern ...

A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat ...

The killifish is a weird little critter that lives in muddy puddles that cars and trucks drive right through, and no one knows how they don’t get crushed. Some people are completely obsessed with them ...

In Bolivia’s disappearing Amazonian frontier, a small but significant rediscovery has stunned conservation biologists. A rare fish species long presumed extinct, Moema claudiae, has been found alive ...

The annual killifish lives in regions with extreme drought. A research group now reports that the early embryogenesis of killifish diverges from that of other species. Unlike other fish, their body ...

Killifish sound much more vicious than they are. These tiny fish adapt and spread far in the wild but make beautiful fish for display in your home. Killifish is a group of around 1,270 species of ...

Predation by green sunfish (Lepomis cyanellus) on plains killifish (Fundulus zebrinus) may explain why these species rarely co-occur in pools of intermittent Purgatoire River tributaries in ...

Spatial variation in lighting environments frequently leads to population variation in colour patterns, colour preferences and visual systems. Yet lighting conditions also vary diurnally, and many ...

Scientists found an “iridescent” creature with a short lifespan in a swamp in Kenya and discovered a new species, already critically endangered. Photo from Dirk Bellstedt In a glorified puddle in ...

A project has been launched to conserve the Maltese killifish (Aphanius fasciatus – bużaqq), a small fish endemic to the Mediterranean. It is found mainly along the central to the eastern coastlines ...