Regal jumping spiders are small but striking arachnids ... Adult males are typically black with iridescent green-blue-violet chelicerae (mouthparts) and a white fringe along their abdomens.

Peacock spiders are well known for their elaborate dances – but their extraordinary jumps smash speed records.

The WSC, based at the Natural History Museum of Bern in the Swiss capital, said the 50,000th spider registered is the Guriurius minuano, which belongs to the Salticidae family of jumping spiders ...