How much do you know about Betta Splendens genetics?
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"I think there is a world market for maybe five computers", Thomas Watson (IBM)
See the amazing underwater circles made by this male puffer fish to attract a mate.
Staff at a wildlife centre in Florida were shocked to discover that someone had tried to steal a 90cm/3ft shark overnight.
A team of scientists studying the fish population in the Yamuna River, the largest tributary of the Ganges in northern India, have found that alien fish species are now dominating the 950km stretch of river.
Keepers of African cichlids will be familiar with the egg-spots that adorn the males of many mouth-brooding cichlids. These induce the female to approach this area when picking up eggs during spawning, allowing the male to fertilise them.
This image appears to show what news reports have dubbed Crabzilla - a giant crab spotted lurking under the water in Whitstable.