Diamond killifish

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Diamond killifish
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Fundulidae
Genus: Fundulus
F. xenicus
Binomial name
Fundulus xenicus
  • Adinia xenica (Jordan & Gilbert, 1882)

The diamond killifish (Fundulus xenicus) is a species of North American killifish found in salt marshes, hypersaline flats and mangrove along the Gulf Coast of the United States.[1] This species grows to a length of 6 cm (2.4 in). It is found in the aquarium trade. It was previously recognized as, Adinia xenica, the only known member of the genus Adinia. Nucleotide analyses has reevaluated the phylogeny of the Funduliidae and placed the diamond killifish into the Fundulus genus.[2]


  1. ^ Froese, Rainer; Pauly, Daniel (eds.) (2022). "Fundulus xenicus" in FishBase. October 2022 version.
  2. ^ Ghedotti, Michael J.; Davis, Matthew P. (13 February 2013). "Phylogeny, Classification, and Evolution of Salinity Tolerance of the North American Topminnows and Killifishes, Family Fundulidae (Teleostei: Cyprinodontiformes)" (PDF). Fieldiana Life and Earth Sciences. 7: 1–65. doi:10.3158/2158-5520-12.7.1. S2CID 86471536.