at the lower base of the pectoral fin. In adults, the tail is dusky on the basal half, turning paler (more transparent) towards the tip.

In the aquarium

The payara, which is also sold as the sabertooth barracuda, vampire fish, vampire tetra, or sabertusk barracuda, is a popular species for large, aggressive aquaria. It requires a large aquarium and can only be mixed with relatively large species, as smaller fish will be seen as potential prey.

References

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