Palaemon kadiakensis

Palaemon kadiakensis, commonly known as the Mississippi grass shrimp, is a species of freshwater shrimp from the central United States, specifically the Mississippi River Basin.[2][3]

Palaemon kadiakensis
P. kadiakensis in a freshwater aquarium
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Caridea
Family: Palaemonidae
Genus: Palaemon
Species:
P. kadiakensis
Binomial name
Palaemon kadiakensis
(Rathbun, 1902) .[1]
Synonyms
  • Palaemonetes kadiakensis (Rathbun, 1902)

Early development

The eggs of Palaemon kadiakensis are 1.4 mm. long or about one twenty-fifth of the adult length.[4] In laboratory settings the incubation period of Palaemon kadiakensis eggs has been observed to be 24–28 days.[4]

After hatching a P. kadiakensis will go through six distinct larval stages before reaching its final adult form.[5] Among larvae reared in experiments, the duration of larval life was 16 to 24 days and the average length of larval life was 19.64 days.[5] In laboratory settings the larvae are fed Artemia salina Nauplius[4] or 100-500 micron sized commercial feed.

Larval development (not to scale)
Protozoea first larval stage
Zoea second larval stage

References
  1. Charles Fransen, Sammy De Grave & Michael Türkay (2011). "Palaemonetes Rathburn, 1902". World Register of Marine Species. Retrieved November 19, 2011.
  2. "WoRMS - World Register of Marine Species - Palaemon kadiakensis (Rathbun, 1902)". www.marinespecies.org. Retrieved 2023-06-17.
  3. "Mississippi grass shrimp (Palaemonetes kadiakensis) - FactSheet". nas.er.usgs.gov. Retrieved 2017-02-12.
  4. Broad, A.C.; Hubschman, Jerry (1963). "The Larval Development of Palaemonetes kadiakensis M. J. Rathbun in the Laboratory". Transactions of the American Microscopical Society. American Microscopical Society. 82 (2): 185–197. JSTOR 3223994.
  5. Hubscham, Jerry; Rose, Jo Ann (1969). "Palaemonetes kadiakensis Rathbun: Post Embryonic Growth in the Laboratory (Decapoda,Palaemonidae)". Crustaceana. Brill. 16 (1): 81–87. JSTOR 20103031.
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