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WHAT IS ELASMODIVER?

Not just Shark Pictures: Elasmodiver contains photos of sharks, skates, rays, and chimaera's from around the world. Elasmodiver began as a simple web based shark field guide to help divers find the best places to encounter the different species of sharks and rays that live in shallow water but it has slowly evolved into a much larger project containing information on all aspects of shark diving and shark photography.

There are now more than 5000 shark pictures  and sections on shark evolution, biology, and conservation. There is a large library of reviewed shark books, a constantly updated shark taxonomy page, a monster list of shark links, and deeper in the site there are numerous articles and stories about shark encounters. Elasmodiver is now so difficult to check for updates, that new information and pictures are listed on an Elasmodiver Updates Page that can be accessed here:

WHAT'S NEW?

Shark picture - green sawfish

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LEMON SHARK

Lemon shark photographs copyright Andy Murch. All rights reserved

View all available Lemon Shark Pictures in the Shark Picture Database

Common Names: Lemon shark.

Latin Name: Negaprion brevirostris  

Family: Carcharhinidae  

Identification: Stocky yelowish brown body. Fins falcate. Second dorsal fin almost as high as first. Eyes large. Snout broadly rounded.

Size: Maximum length 340cm. Size at birth 56-81cm.   

Habitat:  A coastal species. Inshore lagoons, and reef faces near deep water drop offs. Juveniles stay in areas of mangrove and shallow sand flats.

Abundance and distribution: In the western Atlantic from New Jersey to southern Brazil and in the eastern Atlantic around west Africa. In the eastern Pacific from Baja to Equador.

Behavior:  Maintains a home range of 18-93 square kilometres. May be found solitary or in aggregations such as the one recently recorded off of eastern Florida. Adult diet consists mainly of fishes including jacks, catfishes, guitarfishes, stingrays, and other sharks.

Reproduction: Viviparous. Recorded litter size 4 - 17. Gestation period 10 - 12 months.

Observations:

Photographs: Tiger Beach, Bahamas.

Similar species: The lemon shark is fairly easy to identify but is superficially similar to many other carcharhinids. 

Reaction to divers: Not known for its aggressiveness around divers but should not be molested. Lemon sharks are difficult to approach closely unless in a chumming situation. 

Diving logistics: The best opportunity to dive with Lemon sharks is probably with Jim Abernethy's Scuba Adventures aboard his dedicated live-aboard the Shear Water.  Jim has a talent for attracting big sharks and knows some great spots where each species is likely to be found. 

The seasonal aggregations off of the coast of Florida are a newly recorded phenomenon that has surprised the shark experts. Jim Abernethy is also on top of this encounter and should be contacted to find out when the aggregation starts (mid winter seems to be the time).  

Other diving locations submitted by readers: 

References and further reading:  

Reef Sharks and Rays of the World. Scott W. Michael. Sea Challengers.

Sharks and Rays - Elasmobranch Guide of the World. Ralf M. Hennemann. IKAN.

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