Abstract
The Natterin family was identified in the venom of Thalassophryne nattereri, which was expanded by the inclusion of 331 species that have 859 natterin or natterin-like genes. These do not have orthologs in mammals, but in fish. Among the 109 species of fish that have one or more genes, the zebrafish (Danio rerio) has 10 that encode 11 proteins. Although the many biological functions for N…