In 1,000 years later, on Pandora. Metikayina and Omaticaya tribe's evolution got mysterious. The Na’vi tribes turned into Mermaids slowly. Only the Metikayina are mermaids and the Omaticaya is Hybrids. they have a Na'vi body to the head to the waist. The rest is a Na'vi animal creature. While the Omacticaya have gorgeous mermaids bodies (same thing) Like crystals in the texture. The mermaids live in water when the hybrids live on land. Will see what the future holds...