Risso’s Dolphin
Grampus Griseus
© 2026 MarineWise
Quick Facts
Scientific nameGrampus Griseus
SizeUp to 4 m (13 ft)
WeightUp to 500 kgs (1,102 lbs)
FamilyDelphinidae
Distribution
Habitat & AU DistributionDeeper ocean waters, usually around the edge of continental shelves in tropical and temperate waters
Depth RangeUp to 300 m (984 ft)
