They may be small in size but they're big in character, and that's why Boraras remain so popular. Kevin Conway sings their praises. Members of the genus Boraras are tiny cyprinid (carp-like) fishes ...

Ever wondered how many catfish there are? Matt Clarke has the answer. There are now over 3,000 species of catfish spanning more than 36 families, plus many more species waiting to be described.