The alien rabbitfish population has “exploded” in numbers, as Malta’s waters warm up rapidly, reaching temperatures of more than 30°C by mid-July.The fish, which has venomous spines, is now so common that local fishermen have named it ‘qawsalla’ (rainbow) due to its variable colouration, according to marine biologist Alan Deidun.Also called the dusky spinefoot, the...
