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Taxonomic class
This practical browse label comes from the published animal profiles. Taxonomy changes as evidence improves; individual source records remain the authority.
After hatching, ringed caecilian young feed by peeling and eating the outer layer of their mother's skin, which she grows thickened and nutrient-rich for the purpose. They also take a fluid she secretes from the vent.
Two-toed amphiumas have one of the largest genomes measured in any animal, roughly twenty-five times the size of a human's. The consequence is visible under a microscope: their red blood cells are among the biggest known in vertebrates.