Rivulus Fish

When water conditions deteriorate, the rivulus fish can live temporarily out of water.
D. Scott Taylor

Rivulus fish live in bodies of water that sometimes become contaminated with hydrogen sulfide—an extremely toxic compound that smells like rotten eggs. When this happens, the adaptable fish wiggle into damp places like logs. More about mangroves can be found in our Mangroves featured story.

Tags: Adaptations