Guam Dolphin Watching

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Dolphin Watching
Dolphin watching on Guam has delighted both locals and guests for years. These social and acrobatic creatures make several of Guam's shallow inlets their home. Several companies on Guam offer their charter boat services to the public. Click on a company listed above to view their options.

Dolphin Watching List

Scuba Roo

Fisheye

Real World

Iruka

Scuba CO

About Guam's Spinner Dolphins

Spinner Dolphin: Stenella longirostris
This species of dolphin is found in tropical and subtropical waters of the Pacific, Atlantic and Indian Oceans. There are no subspecies, but there are four distinct Pacific forms: the Eastern, the Whitebelly, the Costa Rican and the Hawaiian. Guam's spinner dolphins resemble the Hawaiian spinner, except for minor color variances. Spinner dolphins are generally Five to seven feet long and weigh between 120 to 165 pounds

Eating Habits:
Guam's spinner dolphins are carnivorous, preying on fish, shrimp and squid.

Mating Habits:
Spinner dolphins mate once or twice a year when their hormone levels are high. Spinner dolphins are polygynandrous and mating happens within the pod with no specific mate selection. Female spinners give birth to one calf every 2 or 3 years. Gestation lasts 10.6 months, on average and the calf is usually weaned from its mother in seven months.

Behavior:
Spinner dolphins may gather in pods of as many as 1,000. However, it is more common to see 200 or fewer dolphins within a pod. On Guam, it is common to see pods of 10 to 30 dolphins. However, several pods can met up and form larger groupings. Spinners are very social creatures both with each other and with other species. Spinners have been known to interact with yellowfin and skipjack tuna. Spinners tend to rest in shallow waters near islands and when their done resting they travel to deeper waters to feed on migrating animals, returning to the same shallow waters when they are finished.