WorldAnimalFoundation.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More The ocean has its own dating shows, and the contestants don’t ...

Female Nile tilapia incubate fertilized eggs in their mouth until they are released as alevins. Consequently, the female may not eat during this period. Thus, it would be expected that female Nile ...

This marine and brackish tropical anchovy species is native to the Western Atlantic Ocean from the Gulf of Mexico and the Caribbean Sea down to the Central and South American coast to Brazil. This ...

The winners of the 2025 Ocean Photographer of the Year competition captured the ocean and its wildlife like you’ve never seen before. Reading time 5 minutes While floating in the crystal-clear waters ...

Around the islands inside Lake Victoria, Tanzania, two new species of fish are on the hunt for snails. Omar via Unsplash In Lake Victoria, the largest tropical lake in the world, rocky outcrops ...

Are fish mammals? Fish are not mammals, but they are such a diverse group that putting all of them into one class is inefficient. Some species were once classified alongside animals that are not fish ...

While many creatures lay eggs or give birth to live young in familiar ways, some have developed unique methods to protect their offspring. One such strategy is mouthbrooding, where parents carry and ...

The animal kingdom never ceases to amaze with its diverse reproductive strategies. While most creatures give birth conventionally, some species have evolved unique methods, including delivering their ...