Aquarium enthusiasts are often on the lookout for colorful and exciting species that they can raise in their personal tanks. Rainbowfish are a broad category of fish that meet these requirements. The ...

Red and yellow and… at least 70 other colours. A genetically engineered fish has skin cells in all the colours of the rainbow and then some. Its beauty is more than skin deep though – the huge ...

Don’t worry; rainbow sharks are not true sharks – they are just named after their shark-like appearance due to their red dorsal fin. Scientifically classified as Epalzeorhynchos frenatum, rainbow ...

Scientists have uncovered the mystery behind how a see-through fish is able to turn rainbow-coloured! The ghost catfish - also known as the glass catfish - is nearly completely translucent, however ...