Animal world
The scales are as hard as the armor of an Amazon arowana
The strong scales structure of Aparaima fish helps them to cope with the sharp teeth of predators in the same habitat as piranhas.
Arapaima
Browse ScienceInfo articles and explainers related to Arapaima.
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Articles about Arapaima
7 published items.
Animal world
Close-up of the species
Many people will be surprised by the frightening giant of the species
Animal world
Things you do not know about marine fish statues
Marine fish is a freshwater fish that lives in tropical South America. This is one of the largest freshwater fish species in the world.
Animal world
Unique tongue uses of animals
The green woodpecker's tongue is five times longer than its head length, to the point that it must curl up inside its mouth when it contracts. Because this thick tongue…
Animal world
Giant monster in the Amazon River before extinction
Scientists warn the Arapaima, a fish up to 3m long and weighing 180kg, about to disappear completely in the Amazon basin.
Photo library
Mekong River fish ranked
Many Mekong and Asian fish species are among the world's largest freshwater fish species, but they are also at risk of extinction.
New technology
Bulletproof material new varieties of fish scales?
Arapaima giant Amazon is attracting the attention of scientists at the University of California, San Diego to create super-durable materials.