Gorgeous, peaceful, and active, the threadfin rainbowfish (Iriatherina werneri) is a spectacular aquarium fish. However, it’s not the easiest species to breed. A master fish breeder took up the challenge and provides advice on how you can keep and breed this remarkable rainbowfish.
Cuttlefish mimics plastic tree. Gah! Who’s a clever boy! Cuttlefish not only change their colour for camouflage, they also adapt their texture and shape. A bit like this wee fellow who’s pretending to be a plastic tree like the one that’s been shoved into his tank.