Fire red and reflective blue stripes along the length of this fish helped make the cardinal tetra the most popular aquarium fish in Europe. An entire industry in Brazil is involved in catching and sustaining this species, employing thousands that would otherwise work in deforestation industries. Therefore cardinal tetras are one of the many tropical fish that save the rainforests. So, aquariums prevent global warming.

Origin: Amazon Basin
Lifespan: 5 years (two years in wild)
Max Size: 1.5 inches
Food: flake, live, frozen