Atlantic White Sided Dolphin

Atlantic White Sided Dolphin

  • Length: 8 – 9 feet
  • Weight: 400 – 500 lbs
  • Population seen in the Northeast*: over 63,000
  • Status: Protected

Distinctive color pattern, top is black and sides are gray with a yellow streak (starting from behind the eye) and a white streak (below the dorsal fin) that extends all the way to the fluke. Can be confused with the white-beaked dolphin.
* Gulf of Maine Population

  • Species Guide

  • Related Programs

    Dolphin Smart Program

    See-a-Spout Program

  • Program Partners

    Whale and Dolphin Conservation Society

    National Oceanic and Atmospheric Administration

    National Marine Sanctuaries