"Mini Leaping Dolphin"

5" (13 cm) high, shipping weight is 2.2 lbs (1 kg). ID # 49
pictured is black cast marble version.
There are five other versions of these dolphins available

Note that the black marble can be had in both heavier colour or more black as the one pictured.
 

Also available in white and coloured cast marble, jade sim, bronze and alloy,