A rare species of fish found in only one place in the world has given birth for the first time at Portsmouth’s Blue Reef Aquarium.
The tropical cardinalfish is found only on the coral reefs of the Banggai islands, midway between the Philippines and Australia.
Known as mouth brooders, cardinalfish are among the world’s most attentive parents.
The six tiny babies, each measuring just a few centimetres in length, are being fed a special diet by aquarists who are confident more will be born in the coming weeks.
Blue Reef’s Hannah Butt said: ‘Banggai cardinalfish were first discovered in the 1930s living among coral reefs off a series of tiny Indonesian islands. To date they have not been discovered anywhere else in the world.’