Neomysis americana

Neomysis americana
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Mysida
Family:	Mysidae
Genus:	Neomysis
Species:	N. americana
Binomial name
	Neomysis americana; (S. I. Smith, 1873)
Synonyms
	Mysis americanaSmith, 1873

Last updated October 12, 2025

Neomysis americana is an "extremely common"^[2] species of opossum shrimp along the Atlantic coast of North and South America. The species has a disjunct distribution, being present in an area extending from the Saint Lawrence River to Florida, and separately in parts of Argentina (Blanca Bay, Anegada Bay and Samborombón Bay).^[2] There may be a further division within the North American populations between those north of Cape Henry, Virginia (including Georges Bank) and those from North Carolina southwards.^[3]N. americana is an important prey item for a number of fish species, including the Atlantic silverside, the bluefish and the windowpane flounder, Scophthalmus aquosus .^[4] Adults typically have a carapace length of 2.5–4 millimetres (0.10–0.16 in).^[3]

References

1 2 J. Mees (2009). T. Deprez; et al. (eds.). "Neomysis americana (S.I. Smith, 1873)". NeMys. World Register of Marine Species . Retrieved March 30, 2010.
1 2 Mónica S. Hoffmeyer (1990). "The occurrence of Neomysis americana in two new localities of the South American coast (Mysidacea)". Crustaceana . 58 (2): 186–192. doi:10.1163/156854090X00084. JSTOR 20104540.
1 2 Austin B. Williams, Thomas E. Bowman & David M. Damakaer (1974). "Distribution, variation, and supplemental description of the opossum shrimp, Neomysis americana (Crustacea: Mysidacea)" (PDF). Fishery Bulletin . 72 (3): 835–842.
↑ Gary L. Ray & Keith Brewer (2004). "Monitoring of fish and fish-feeding habits on the shoreline of Raritan and Sandy Hook Bays, New Jersey: interim report" (PDF). NOAA Coastal Services Center.

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[WoRMS-1] 1 2 J. Mees (2009). T. Deprez; et al. (eds.). "Neomysis americana (S.I. Smith, 1873)". NeMys. World Register of Marine Species . Retrieved March 30, 2010.

[Hoffmeyer-2] 1 2 Mónica S. Hoffmeyer (1990). "The occurrence of Neomysis americana in two new localities of the South American coast (Mysidacea)". Crustaceana . 58 (2): 186–192. doi:10.1163/156854090X00084. JSTOR 20104540.

[Williams-3] 1 2 Austin B. Williams, Thomas E. Bowman & David M. Damakaer (1974). "Distribution, variation, and supplemental description of the opossum shrimp, Neomysis americana (Crustacea: Mysidacea)" (PDF). Fishery Bulletin . 72 (3): 835–842.

[4] Gary L. Ray & Keith Brewer (2004). "Monitoring of fish and fish-feeding habits on the shoreline of Raritan and Sandy Hook Bays, New Jersey: interim report" (PDF). NOAA Coastal Services Center.

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