The freshwater puffer fish is native to India, Sri Lanka, Thailand, Cambodia, Vietnam, Malaysia, Indonesia, and the Philippines. The reverse is completely white, although under certain emotional stress circumstances, it can change color and turn gray.
The color of the back of the fish is bright yellowish green, lined with many black spots in the shape of polka dots. When threatened, it absorbs large amounts of water to intimidate its attackers. Its body is devoid of scales, ventral fins are not observed, and the pectorals are strong as a paddle. Morphological have characteristics common to the family of the pufferfish, with a strong head, pointed mouth (with four teeth so characteristic fused), and large eyes. There is no apparent sexual dimorphism between the male and the female, although some information suggests that the male is larger than the female, and somewhat more slender, although this difference is only noticeable in adult specimens. In the aquarium, they can measure up to 17 centimeters. If you like this fish, you can keep it in your aquarium for a long time, because it has a life expectancy of about 18 years, although in an aquarium it could live perfectly for 10 years. The only drawback that the bug may have is that the fluvialitis Tetradon, is that it lives in brackish waters, while the Tetradon nigroviridis, can be kept in a freshwater aquarium.
It is common for Tetradon nigroviridis to be confused with Tetradon fluvialitis or Tetradon Schoutedeni. The freshwater puffer fish, Tetraodon nigroviridis, is a brackish water puffer fish, which can live in a community freshwater aquarium, provided the right conditions exist, because despite being a territorial fish and somewhat aggressive, there are species with which it can live. Common Name: Spotted Puffer Fish, Freshwater Puffer Fish, Puffer Fish.Scientific name: Tetraodon Nigroviridis.
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