Spinner Dolphin Facts - Stenella longirostris

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http://goo.gl/hDYHX - Spinner Dolphin Facts (Stenella longirostris). People are fascinated with the Spinner Dolphin and all that it entails. It is one of the most social of all species. - Visit us: …

http://goo.gl/hDYHX - Spinner Dolphin Facts (Stenella longirostris). People are fascinated with the Spinner Dolphin and all that it entails. It is one of the most social of all species. - Visit us: http://goo.gl/ZkZz7
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  • 1. Spinner Dolphin Facts Stenella longirostris BIOEXPEDITION.COM
  • 2. Spinner Dolphin BIOEXPEDITION.COM
  • 3. Spinner DolphinIt is a marine mammal that belongs to the family Delphinidae ofoceanic dolphins.The species name in latin, Stenella Longirostris, means "longbeak".Is the most common small cetacean in many tropical open seas. BIOEXPEDITION.COM
  • 4. AnatomyThe spinner dolphin is a small cetacean.Adults are typically 7 feet in length and reach a body mass of130-170 pounds.Their color variation depend on the region they live. BIOEXPEDITION.COM
  • 5. AnatomyThey are dark grey on the back, lighter grey along the sides andwhite in the ventral zone.It has a dark grey stripe from the eye to the pectoral flipper. BIOEXPEDITION.COM
  • 6. HabitatThey are found in off-shore tropical and subtropical watersaround the world. This includes the Atlantic, Indian andPacific oceans.It does spend time in both shallow reef areas and deeperwater farther from land. BIOEXPEDITION.COM
  • 7. BehaviorThe Stenella longirostris is organized in pods.Groups vary in size from just a few dolphins to 1,000 individuals.They are very social with each other and with other ocean animalspecies. BIOEXPEDITION.COM
  • 8. BehaviorThe spinner dolphin leaps can often be done in a series with asmany as 14 leaps in a row.A single spinning leap can include as many as four bodyrevolutions.The Spinner Dolphins are subject to scientific investigationbecause of their remarkable capacity to learn. BIOEXPEDITION.COM
  • 9. FeedingPelagic spinner dolphins feed primarily on small fish, mesopelagicon squid and shrimp.They can dive down to depths of 300 meters to catch their prey. BIOEXPEDITION.COM
  • 10. ReproductionThe Spinner dolphin is polygynandrous (the kind of polygamy inwhich a female pairs with several males).Mating happens within the school with no real mate selection.Females are sexuality mature at 4–7 years and males are sexuallymature from 7 to 10 years. BIOEXPEDITION.COM
  • 11. ReproductionThe spinner dolphin has a 10 months gestation period with 3 yearcalving intervals.The mother nurses the calf for up to two years.The average lifespan of Spinner Dolphins is 20 years. BIOEXPEDITION.COM
  • 12. ThreatsThe major threats to spinner dolphins are habitat destruction andfishing.Large numbers of spinner dolphins have also been captured ingillnets and killed by harpoons. BIOEXPEDITION.COM
  • 13. ThreatsThe IUCN classifies this species as data deficient.Spinner dolphins are protected in some regions around the world,especially in USA and Pacific Islands. BIOEXPEDITION.COM
  • 14. Credits BioExpedition.com Facebook.com/bioexpedition Twitter.com/bioexpedition Youtube.com/bioexpedition Pinterest.com/bioexpedition Dolphins-world.com• Copyright© Bioexpedition.com 2012