Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small casings are the eggs of sharks and their relatives For around 455 ...

We’ve all heard the phrase, “a fish out of water,” but these fish take it literally. As you can see in this YouTube video, splash tetras lay their eggs on a leaf overhanging the water. Only 1% of the ...

Animals reproduce in one of two distinct ways: egg-laying or live birth. By studying an evolutionarily recent transition from egg-laying to live-bearing in a marine snail, collaborative research has ...

Iberian harvester ant queens produce offspring of their own species and of the builder harvester ant, seemingly by cloning ...

If you’re looking for simple, colorful additions to your freshwater aquarium, then you can go for the platyfish. Platies are small fish that come in many colours and easily adapt to life in tank ...