- Scientific Name: Delphinus delphis
- Length: up to 9 feet
- Weight: up to 440 lbs
- Population seen in the Northeast*: Approximately 70,000
- Status: Protected
- Description: Recognized by a distinct hourglass pattern along the flanks. Rounded head with a somewhat long beak and tall, falcate dorsal fin. Usually found in large social groups with hundreds of individuals consisting or a number or smaller sub-groups grouped by sex or age.
* Western North Atlantic Population