Rough-toothed dolphins pictures hawaii information facts images behaviors pics vidoe mpg

Rough-toothed Dolphin pics, in Hawaii

Rough-toothed Dolphin Facts:Found in deep tropical, subtropical, and warm temperate waters around the worldRough toothed dolphins are fast swimmers, sometimes porpoising with low, arc-shaped leaps. They may swim rapidly just under the surface, with dorsal fin and a small part of the back clearly visible.

Sometimesthey bow-ride, especially in front of fast-moving vessels, though not as readily as many other tropical dolphins.

A school of 17 rough-toothed dolphins stranded in Hawaii in 1976.

Group Size: 10-20, occasionally in groups of several hundred

Dolphins Common to Hawaii The Hawaiian name for dolphin is nai'a, and refers to all dolphins found in Hawaiian waters. Personalized, unhurried excursions with knowledgable crew, and limited passenger counts make our dolphin encounters unique.

ROUGH-TOOTHED DOLPHIN (Steno bredanensis):

• May be submerged as long as 15 minutes.Fast swimmer- sometimes porpoising with low, arc-shaped leaps. Swims with dorsal fin and small part of back clearly visible. Sometimes bowrides - especially in front of fast-moving vessels.
• May associate with Bottlenose Dolphins and pilot whales- less frequently with spinner dolphins and spotted dolphins - occasionally with shoals of yellowfish tuna
• May be seen logging in pods of 10-20 - sometimes in groups of several hundred.

Rough-toothed dolphins are smaller members of the dolphin group, reaching lengths of 8.5 feet. They sometimes express interest by approaching boats, and examining hydrophones and slow moving propellers visually and with echolocation.

Listen to a rough toothed dolphin

Watch a rough-toothed (underwater) dolphin video (wmv)

They have a small head with a long beak with no crease at the melon. Their dorsal fin is relatively large and tall and is located at the mid-back and they have relatively long flippers (pectoral fins). Body color is dark with white lips and throat and a dark dorsal cape that is narrow between the blowhole and dorsal fin.The belly has irregular spots and blotches.

Maturity occurs at 11 years of age and they live up tp 32 years. The Steno feed on fish and squid as well as mollusks and cephalopods.

Rough-toothed dolphins usually occur in tight-knit groups of 10 to 20. They often associate with other dolphins including short-finned pilot whales, bottlenose dolphins, pantropical spotted dolphins, and spinner dolphins.

Pollutants have been detected in blubber analysis of Rough-toothed dolphins in Hawaii. They are harpooned for food in Japan and West Africa.

Our wildlife tours focus on education and conservation so that an interactive relationship can be maintained in the best interest of both humans and dolphins. We strive to foster admiration and deep respect for these wonder-ful mammals.

Rough-toothed Dolphin pics, images from Hawaii

Links to Whales, Dolphins and other marine mammals

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Wild Side Specialty Tours
Tours with Integrity - on the island of Oahu:
Waianae Boat Harbor
Oahu Hawaii 96792 (near Ko Olina Resort)
TEL (808) 306-7273
FAX (808) 668-4075
email: reservations@sailhawaii.com