The Florida sand darter ('Ammocrypta bifascia) is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to Gulf Coast drainages from the Aplalachicola to the Perdido River in Florida and southern Alabama.[2] It inhabits streams with waters that are clear to tannin-stained where there are shifting sand bottoms and a moderate to fast flow. It is most frequently encountered where there is a moderate current in medium-sized to large streams, but it will enter smaller streams on occasion.[1] Its appearance is identical to the naked sand darter aside from 2 black bands on each dorsal fin. This species can reach a length of 7.1 cm (2.8 in), though most are only about 4.7 cm (1.9 in) in length, at depths of 61 to 122 centimetres (2.00 to 4.00 ft).[2] The Florida sand darter was first formally described in 1975 by James D. Williams with the type locality given as the Choctawhatchee River, 2.4 kilometres (1.5 miles) west of Pittman, Florida.[3] This species forms a clade with the naked sand darter (A. beanii) the Western sand darter (A. clara).[4]
| Florida sand darter | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Percidae |
| Genus: | Ammocrypta |
| Species: | A. bifascia
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| Binomial name | |
| Ammocrypta bifascia J. D. Williams, 1975
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| Synonyms[2] | |
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References
edit- ^ a b NatureServe (2013). "Ammocrypta bifascia". IUCN Red List of Threatened Species. 2013: e.T202427A2744548. doi:10.2305/IUCN.UK.2013-1.RLTS.T202427A2744548.en. Retrieved 19 November 2021.
- ^ a b c Froese, Rainer; Pauly, Daniel (eds.). "Ammocrypta bifascia". FishBase. September 2019 version.
- ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Ammocrypta bifascia". Catalog of Fishes. California Academy of Sciences. Retrieved 20 September 2020.
- ^ James D. Williams (1975). "Systematics of the Percid Fishes of the Subgenus Ammocrypta, Genus Ammocrypta, with Descriptions of Two New Species". Bulletin of the Alabama Museum of Natural History (1): 1–56.
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