Abstract
The killifish genus Kryptolebias currently contains seven recognized species found in freshwater and mangrove microhabitats in South and Central America, the Caribbean, and Florida. Kryptolebias species have several unique features. Beyond its amphibious nature, two of the Kryptolebias species (K. marmoratus and K. hermaphroditus sensu Costa 2011) are the only known vertebrates capable of self-fertilization. Although reference genomes for self-fertilizing species are readily available, a complete understanding of the genomic basis leading to the transition in mating systems in the genus requires more genomic resources at a broader taxonomic level. Here, we present the complete genome sequences for three Kryptolebias species from Brazil: the endangered freshwater species Kryptolebias brasiliensis and Kryptolebias gracilis and the androdiecious but obligate outcrossing Kryptolebias ocellatus (sensu Costa 2011). The raw data and assembled genomes are available in GenBank.
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