rough toothed dolphin facts

7/31/2019 Rough Toothed Dolphin Facts

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ROUGH TOOTHED DOLPHIN

BIO

STENO BREDANENSIS

PHOTO COPYRIGHT NOAA
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Rough Toothed Dolphin

Rough-toothed dolphins are small members of the dolphfamily.

They are a primitive-looking dolphin.

The Rough-toothed dolphin can be found in deep warm tropical waters around the world.

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Anatomy

Their dorsal fin is tall and only slightly recurved.

Body color is dark and the belly, lips, and parts of the loware white.

They have between nineteen and twenty-eight teeth in equarter of the jaw.

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Habitat

The Steno bredanensis prefer deeper areas of tropical awarmer temperate waters where their prey are concentra

This dolphin is generally found in offshore waters, usuall

temperature over 25 degrees Celsius

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Habitat

They prefer deep waters greater than 6,560 feet in depth

There are two recognized stocks:

Hawaii with 20,000 individuals

Northern Gulf of Mexico with 2,200.

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Behavior

Is a fast swimmer and a sociable animal.

They form schools of up to 50 animals, but also been obgroups of 300 dolphins in Hawaiian waters.

They often associate with other dolphins including bottlespinner and pantropical spotted dolphins.

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Behavior

This species demonstrate reciprocal altruism with injureddolphins.

They enjoy "surfing" or bow-riding.

Rough-toothed dolphins communicate with other dolphithrough echolocation clicks and pulse signals.

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Feeding

Their diet consists in squids, octopuses, silversides, algaa variety of fishes.

They are known to be able to dive to at least 160 Ft. andable to stay underwater for fifteen minutes.

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Feeding

They chase their prey and toss it around with their beaks

Members of Rough-toothed dolphins are also known to on "bait balls" of schooling fish.

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Reproduction

Males reach sexual maturity at about 14 years and femaabout 10 years.

Rough-toothed dolphins give birth to a single young.

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Reproduction

The young are about 39 in long at birth.

The rough-toothed dolphin is known to live for up to 32 tyears.

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Threats

Natural Threats: Predators on rough-toothed dolphins arthought to include killer whales and some sharks.

Rough-toothed dolphins are considered Data Deficient inIUCN Redlist.

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Threats

The greatest threats to the rough-toothed dolphin are poand incidental capture in fishing nets.

This species is protected under the Marine Mammal Prosince 1972.

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rough toothed dolphin facts

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