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The payara, which is also sold as the saber tooth barracuda, vampire fish, vampire tetra, or saber tusk barracuda, is a popular species for large, aggressive aquariums. It requires a large aquarium and can only be mixed with relatively large species, as smaller will be seen as potential prey. [4]
Hydrolycus armatus is a species of dogtooth characin found in freshwater of tropical South America. [2] It is sometimes known as Payara, [1] or harm, [3] [4] [5] a name it shares with the related H. scomberoides. This predatory fish occasionally makes its way into the aquarium trade, but it requires a very large tank.
Vampire fish is a colloquial name given to the following varieties of fish: Candiru (fish) ( Vandellia cirrhosa ), a species of parasitic freshwater catfish Payara , a species of dogtooth tetra
A vampire hedgehog, a pygmy pipehorse and a "blob-headed" fish were among the hundreds of new species identified in 2024. The variety of species identified was quite eclectic and names for the new ...
Cynodontidae are elongated in shape with a silvery or grey colour and an upturned mouth. Some species have a hunchbacked appearance. The family names (both scientific and common) derive from the long and well-developed canines which are used to spear their prey, mainly other fish.
A massive species of fish that used to dominate the Amazon river is quickly dying out in several areas. A recent study of fishing communities in the state of Amazonas, Brazil found the giant ...
A new species of fish has been discovered in the Amazon: a piranha relative with humanlike teeth. The eye-catcher was named after a “Lord of the Rings” villain.
Hydrolycus is a genus of large dogtooth characins from tropical South America, where found in the Amazon and Orinoco basins, as well as rivers of the Guianas. [1] The genus includes the largest dogtooth characins, reaching up to 1.17 m (3.8 ft) in length. [1]