Davao Gulf

Kaagan / Kalagan, who are the indigenous Lumad tribes endemic to Davao, are known inhabitants of the said gulf.^[6]

cetacean habitats in the nation, being home to at least 10 species of toothed whales and dolphins such as sperm whales and beaked whales.^[7] Also, whale sharks and sea cows are seen frequently.^[8][9] Furthermore, several ecological phenomena have been observed in Davao Gulf such as a previously unknown predator of the crown-of-thorns starfish, new species records, and new species discoveries underlining the uniqueness of the marine resources in Davao Gulf.^{[10][11][12][13]}