Museo Arte Orientale
Uttar Pradesh, II d.C.
http://it.wikipedia.org/wiki/Makara_(mitologia_indiana)
Makara (Sanskrit: मकर) is a sea-creature in Hindu mythology. It is generally depicted as half animal (in the frontal part in animal forms of elephant or crocodile or stag, or deer) and in hind part as aquatic creature, in the tail part, as a fish tail or also as seal. Sometimes, even a peacock tail is depicted.
Makara is the vahana (vehicle) of the Ganga - the goddess of river Ganges (Ganga) and the sea god Varuna. ... Makara is the astrological sign of Capricorn, one of the twelve symbols of the Zodiac. It is often portrayed protecting entryways to Hindu and Buddhist temples. Read more
http://en.wikipedia.org/wiki/Makara_(Hindu_mythology)