Home › Mammalia › Delphinidae › Risso's Dolphin (Grampus griseus)
SPECIES PROFILE
Risso's Dolphin (Grampus griseus)
Grampus
IUCN STATUS
Least Concern


CONSERVATION STATUS
Least Concern
CLASS
Mammalia
GEOGRAPHICAL RANGE
Worldwide
DIET
Carnivorous
HABITAT
Deep offshore
🔬 Classification
PHYLUM
Chordata
CLASS
Mammalia
ORDER
Cetacea
FAMILY
Delphinidae
GENUS
Grampus
📋 Description
SIZE
2.5-4 m body, 300-500 kg
COLORATION
Grey, heavily scarred
ADAPTATIONS
Deep diver, squid eater
🌿 Ecology
HABITAT
Deep offshore
DIET
Carnivorous
GEOGRAPHIC RANGE
Worldwide
REPRODUCTION
1 calf every 3 years
DIET DETAILS
Squid
⚠️ Threats & Conservation
PRIMARY THREATS
Bycatch
💡 Interesting Facts
1
Risso's dolphin is grey and becomes whiter with age from squid scars.
2
It is a deep diver and very social.
🔭 Sighting Guide
📍 BEST PLACES TO SIGHT
Strait of Gibraltar
🗓️ BEST TIME TO SIGHT
Year-round
🎯 SIGHTING TIPS
Look for scarred grey dolphins on deep-water trips.












