The Mexican tetra lives in freshwater streams and pools from Mexico up into the southern United States. But these fish also ...

Several animals have evolved and adapted to live in deep ends of caves in fascinating ways. Some have lost their eyesight completely while others have developed super-sensitive hearing or touch to ...

Mexican tetras are a most peculiar fish species. They occur in many rivers and lakes across Mexico and southern Texas, where they look perfectly ordinary. But unlike most other fishes, tetras also ...

All animals age, but the rate of aging across species varies widely. The environmental pressures and molecular factors underlying this remarkable diversity in aging across species remains largely ...

Scientists have found that lrrc10, a heart muscle gene also found in mice and humans, was more active in fish following heart surgery. A fish that can repair damage to its own heart could inspire ...

Regenerating body parts might sound like science fiction, but certain animals do it with precision and consistency. Scientists study them closely to better understand the biology behind healing. These ...

An odd species has been discovered under rare circumstances in the depths of the San Antón water mine in Seville province Spain. The tiny isopod crustacean was named the Carmona isopod (Baeticoniscus ...

Alright, I’m going to level with you, there is no fish that will impart deeply personal and sage advice about your love life. But I do know about one particular species that might serve as a useful ...

Here is a eight animal species who can regenerate their body parts. Salamanders tend to regrow their tails, weeks after dropping the old one and the new appendage is fully functional. But some species ...

The assessment found that crabs, crayfish and shrimps face the highest extinction risk of the groups studied, with 30% under threat, followed by 26% of freshwater fish species, and 16% of dragonflies ...