Faxonius acares

Apparently Secure  (NatureServe)[2]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Family: Cambaridae
Genus: Faxonius
Species:
F. acares
Binomial name
Faxonius acares
(Fitzpatrick, 1965)
Synonyms[1]

Orconectes acares

Faxonius acares, or the redspotted stream crayfish, is a species of freshwater crayfish endemic to the Arkansas River and the Ouachita River of the Ouachita National Forest and Ouachita Mountains, Arkansas.[2]

Description

The main body color of F. acares is a slate gray. The chelae are also a slate gray, fading into an off-white towards the undersides. The telson and uropods take on a brownish color. Distinctive paired bright red spots appear on individual tergal segments, and a red bar runs across the sixth tergal segment, or the segment closest to the tail fan. The cheeks and lower edge of the gill are covered in pinkish streaks. Adult F. acares crayfish will range from 25–76 mm (1–3 in) in length.[3][4][5][6]

References

  1. 1 2 G. A. Schuster; S. Adams & C. A. Taylor (2010). "Orconectes acares". IUCN Red List of Threatened Species. 2010: e.T153902A4561223. doi:10.2305/IUCN.UK.2010-3.RLTS.T153902A4561223.en. Retrieved 15 October 2023.
  2. 1 2 "Faxonius acares". NatureServe Explorer. 7.1. Retrieved 15 October 2023.
  3. ↑ McAllister, Chris; Robison, Henry (2010-01-01). "Distribution of the Endemic Redspotted Stream Crayfish, Orconectes acares (Decapoda: Cambaridae), in Arkansas". Journal of the Arkansas Academy of Science. 64 (1): 136–140. ISSN 2326-0491.
  4. ↑ "Redspotted Stream Crayfish (Faxonius acares)". United States Fish and Wildlife Service. Retrieved 2023-09-03.
  5. ↑ "Redspotted Stream Crayfish (Faxonius acares)". iNaturalist Canada. Retrieved 2023-09-03.
  6. ↑ "Faxonius acares". Ocean Biodiversity Information System. Retrieved 2023-09-03.
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