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The red-bellied piranha, also known as the red piranha ( Pygocentrus nattereri ), is a type of piranha native to South America, found in the Amazon, Paraguay, Paraná and Essequibo basins, as well as coastal rivers of northeastern Brazil. [1] [2] This fish is locally abundant in its freshwater habitat. [3] They are omnivorous foragers and feed ...
Serrasalmus piraya. G. Cuvier, 1819. Pygocentrus is a genus of the piranha family Serrasalmidae. All species are native to tropical and subtropical South America. All the species are predatory, scavengers and may form large schools. The famous red-bellied piranha, Pygocentrus nattereri, is one of four species in the genus. [1]
In many cases, however, reported captures of piranhas are misidentifications of pacu (e.g., red-bellied pacu or Piaractus brachypomus is frequently misidentified as red-bellied piranha or Pygocentrus nattereri). Piranhas have also been discovered in the Kaptai Lake in southeast Bangladesh. Research is being carried out to establish how piranhas ...
The red-bellied newt (Taricha rivularis) is a newt that is native to coastal woodlands in northern California and is terrestrial for most of its life. Description [ edit ] When full grown, the red-bellied newt measures between 2.75 to 3.5 in (70 to 89 mm) from its nose to its vent , and between 5.5 and 7.5 in (140 and 190 mm) from its nose to ...
The Chilean rose tarantula (Grammostola rosea), also known as the rose hair tarantula, the Chilean fire tarantula, or the Chilean red-haired tarantula (depending on the color morph), is probably the most common species of tarantula available in American and European pet stores today, due to the large number of wild-caught specimens exported cheaply from their native Chile into the pet trade.
Serrasalmus manueli, or the Silver piranha or Manuel's piranha, is one of the largest species of piranha within the genus Serrasalmus. Its size and weight are still yet to be determined but it is safe to say that it reaches around the same size and weight as the black piranha. It is a solitary species of piranha contrary to the social lifestyle ...
Swim bladder. The swim bladder, gas bladder, fish maw, or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish [1]) to control their buoyancy, and thus to stay at their current water depth without having to expend energy in swimming. [2] Also, the dorsal position of the swim ...
The northern redbelly snake lives in moist flowerbeds, gardens, and moist woodlands, such as borders between forest and wetlands. It often rests under logs and rocks near a woods or forest. [6] Redbelly snakes are known to occur in wet meadows, woodlands, and forest-meadow edge habitats. [2]