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Not just Shark Pictures: Elasmodiver contains photos of sharks, skates, rays, and chimaera's from around the world. It began as a simple web based field guide to help divers find the best places to encounter different species of sharks and rays but it has slowly evolved into a much larger project containing information on all aspects of shark diving and photography. There are now more than a thousand shark pictures and sections on shark evolution, biology, and conservation. There is a large library of reviewed shark books, a constantly outdated shark taxonomy page, a monster list of shark links, and deeper in the site there are numerous articles and stories about shark encounters.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:
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ELASMODIVER EXPANDED If you're looking for a broader range of marine life pictures the following links represent a new area that contains pictures on other marine organisms and on marine habitats. This expansion of Elasmodiver is in its first stages but will eventually include pages on everything from sea stars to nudibranches. Creating this portal will take time and for now it consists of a token offering of fish pictures. Please return regularly to enjoy the progress.
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ROUGHTAIL STINGRAY |
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Photograph copyright Andy Murch View all available Roughtail Stingray Pictures in the SHARKIVE Roughtail stingray Latin Name: Dasyatis centroura Family: Dasyatidae Identification: Rhomboid disc with rounded pectoral tips and straight leading edges. Thorns scattered on midline of back and prominent thorns along midline and sides of tail. Tail approx twice body length with deep ventral finfold. Dorsum grey/brown to olive brown. Ventrum pale. Size: Maximum disc width 210cm. Usually 100 to 130cm. At birth 35cm. Habitat: Sand and mud bottoms from intertidal to 200m. Inhabits coastal areas, estuaries, and rivers. Abundance and distribution: Eastern Atlantic - Bay of Biscay to Angola and Madeira and Canary Islands. Also entire Mediterranean. Western Atlantic - Georges Bank to Florida, Gulf of Mexico, and Uruguay to Southern Brazil. Behavior: Preys on teleost and cartilaginous fishes, crustaceans, and cephalopods. Reproduction: Ovoviviparous. Gestation about 4 months. Litter size 2 - 4. Breeds anually. Observations: I have only seen one specimen in North American waters. This ray is probably observed more commonly in its Eastern Atlantic range. Photographs: The Papoose Wreck. North Carolina. Similar species: Southern stingray, Bluntnose stingray. Reaction to divers: May be approached with non threatening movements. Diving logistics: Difficult to encounter in North American waters. May be more commonly sighted on the Carolina wrecks than in Florida. Reports of sightings of this stingray are welcome. Other diving locations submitted by readers: Tim Costikyan wrote: I spotted two of these(roughtail
Stingrays) off Zachs Beach in References:
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