The Spanish dancer fish is in fact a sea slug - and one of the largest on the planet. It can grow to more than 16 inches (40cm) long. Its bright colours serve as a warning to potential predators ...

Consumption of fish in Spain dropped from 1,254 million kilograms in 2010 to 1,230.2 million in 2011: a decrease of 1.9%. Seafood saw the largest decrease (4.3%) and only a growth in tinned fish ...