Your SlideShare is downloading. ×
0
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Rough Toothed Dolphin Facts - Steno bredanensis
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Rough Toothed Dolphin Facts - Steno bredanensis

306

Published on

http://goo.gl/95hMb - Rough Toothed Dolphin Facts (Steno bredanensis) …

http://goo.gl/95hMb - Rough Toothed Dolphin Facts (Steno bredanensis)
You may be curious about how the Rough-Toothed Dolphin got its name. It comes from the fact that they do look prehistoric and reptile like compared to other species.-Visit us: http://goo.gl/ZkZz7
Facebook: http://facebook.com/bioexpedition
Twitter: http://twitter.com/bioexpedition
Youtube: http://youtube.com/bioexpedition
Pinterest: http://pinterest.com/bioexpedition

Published in: Education, Technology, Travel
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
306
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
2
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  1. Rough Toothed Dolphin Steno bredanensisPHOTO COPYRIGHT NOAA BIOEXPEDITION.COM
  2. Rough Toothed Dolphin Rough-toothed dolphins are small members of the dolphin family. They are a primitive-looking dolphin. The Rough-toothed dolphin can be found in deep warm and tropical waters around the world. BIOEXPEDITION.COM
  3. Anatomy Males and females are similar in appearance, however, males are larger than females. It’s a large species with 7 to 9.3 feet in length and 200-340 pounds in weight. BIOEXPEDITION.COM
  4. Anatomy Their dorsal fin is tall and only slightly recurved. Body color is dark and the belly, lips, and parts of the lower jaw are white. They have between nineteen and twenty-eight teeth in each quarter of the jaw. BIOEXPEDITION.COM
  5. Habitat The Steno bredanensis prefer deeper areas of tropical and warmer temperate waters where their prey are concentrated. This dolphin is generally found in offshore waters, usually with a temperature over 25 degrees Celsius BIOEXPEDITION.COM
  6. 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. BIOEXPEDITION.COM
  7. Behavior Is a fast swimmer and a sociable animal. They form schools of up to 50 animals, but also been observed groups of 300 dolphins in Hawaiian waters. They often associate with other dolphins including bottlenose, spinner and pantropical spotted dolphins. BIOEXPEDITION.COM
  8. Behavior This species demonstrate reciprocal altruism with injured dolphins. They enjoy "surfing" or bow-riding. Rough-toothed dolphins communicate with other dolphins through echolocation clicks and pulse signals. BIOEXPEDITION.COM
  9. Feeding Their diet consists in squids, octopuses, silversides, algaes and a variety of fishes. They are known to be able to dive to at least 160 Ft. and be able to stay underwater for fifteen minutes. BIOEXPEDITION.COM
  10. Feeding They chase their prey and toss it around with their beaks. Members of Rough-toothed dolphins are also known to forage on "bait balls" of schooling fish. BIOEXPEDITION.COM
  11. Reproduction The young are about 39 in long at birth. The rough-toothed dolphin is known to live for up to 32 to 36 years. BIOEXPEDITION.COM
  12. Reproduction Males reach sexual maturity at about 14 years and females at about 10 years. Rough-toothed dolphins give birth to a single young. BIOEXPEDITION.COM
  13. Threats Natural Threats: Predators on rough-toothed dolphins are thought to include killer whales and some sharks. Rough-toothed dolphins are considered Data Deficient in the IUCN Redlist. BIOEXPEDITION.COM
  14. Threats The greatest threats to the rough-toothed dolphin are pollution and incidental capture in fishing nets. This species is protected under the Marine Mammal Protection since 1972. BIOEXPEDITION.COM
  15. Find us BioExpedition.com Facebook.com/bioexpedition Twitter.com/bioexpedition Youtube.com/bioexpedition Pinterest.com/bioexpedition Dolphins-world.com • Copyright© Bioexpedition.com 2012Photo Copyright belongs to US National Oceanic and Atmospheric Administration

×