Rainbowfishes and Silversides: Atheriniformes

The World Conservation Union (IUCN) lists one species of rainbowfishes and silversides as Extinct, six species as Critically Endangered, five as Endangered, thirty-one as Vulnerable, and eight as Near Threatened. Extinct means no longer in existence. Critically Endangered means facing an extremely high risk of extinction in the wild. Endangered means facing a very high risk of extinction in the wild. Vulnerable means facing a high risk of extinction in the wild. Near Threatened means at risk of becoming threatened with extinction in the near future. The U. S. Fish and Wildlife Service lists one species as Threatened, or likely to become endangered in the near future.