Study shows eastern tropical pacific ocean dolphin populations improving

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The Northeastern Offshore Spotted Dolphin has a falcate or sickle-shaped dorsal fin and light spotting on the belly. Credit: NOAA - PRD Southwest Fisheries Science Center
The Northeastern Offshore Spotted Dolphin has a falcate, or sickle-shaped dorsal fin and light spotting on the belly. Credit: NOAA - PRD Southwest Fisheries Science Center

The numbers of Northeastern offshore spotted and eastern spinner dolphins in the eastern tropical Pacific Ocean are increasing after being severely depleted because of accidental death in the tuna purse-seine fishery between 1960 and 1990, according to biologists from NOAA's Fisheries Service.


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