Green spotted puffer
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[Photo] Green spotted puffer (Tetraodon nigroviridis) in aquarium. Photo by http://en.wikipedia.org/wiki/User:Jamie_C

The green spotted puffer, Tetraodon nigroviridis, is a tropical fish found in India, Indonesia, Sri Lanka, Thailand. These fish can grow up to 6in (15cm). As their name implies, these fish are green with black spots. Other names include GSP and spotted green puffer. They are omnivores. Primary foods are small snails and crustaceans. Live and meaty foods are preferred by these fish, however they will eat algae and other vegetation. Constantly growing teeth require that the puffer eat crunchy food to wear them down.

This fish is a brackish water fish but survives better in a full marine environment once it reaches adulthood. It is tropical, preferring water temperatures of 24 ??? 28°C.

The green spotted puffer has the smallest known vertebrate genome and has thus been selected as a model organism for genetics. In 2004 a draft of its genome sequence was published.

http://en.wikipedia.org/wiki/Green_spotted_puffer

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