Published July 4, 2012 | Version v1
Taxonomic treatment Open

Eualus avinus

Description

Eualus avinus (Rathbun, 1899)

(Fig. 18A)

Spirontocaris avina Rathbun, 1899: 557; 1904: 103, fig. 47.

Eualus avinus. — Holthuis 1947: 10. — Kozloff 1974: 166. — Butler 1980: 193, color plate 8E. — Wicksten 1990b: 593. — Chace 1997: 42.— Jensen 2004: 468.

Diagnosis. Rostrum short, not reaching end of second antennular segment, arched over eye, with 12–14 dorsal, 1–2 ventral teeth. First, second segments of antennular peduncle each with spine. Carapace with weak pterygostomian tooth. Pereopods 1–3 with epipods. Pereopods 3–5 slender, with long, slender dactyls; each merus of with 5–7 spines. Abdominal somites 1–3 rounded, 4–5 with posterolateral point, somite 6 elongated. Telson with 3 pairs dorsolateral spines. Male total length 29 mm, female 44 mm.

Color in life. Translucent with blotches of orange on body, appendages (Butler 1980 color plate 8E).

Habitat and depth. Muddy, sandy bottoms of continental shelf, 46–642 m.

Range. Pribilof Is., Alaska to off Depoe Bay, Oregon. Type locality north of Unalaska, Aleutian Is.

Notes

Published as part of Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, pp. 1-307 in Zootaxa 3371 on page 75

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Linked records

Additional details

Biodiversity

Family
Hippolytidae
Genus
Eualus
Kingdom
Animalia
Order
Decapoda
Phylum
Arthropoda
Scientific name authorship
Rathbun
Species
avinus
Taxon rank
species
Taxonomic concept label
Eualus avinus (Rathbun, 1899) sec. Wicksten, 2012

References

  • Rathbun, M. J. (1899). List of the Crustacea known to occur on or near the Pribilof Islands. In: Jordan, J. D. (Ed.) The Fur Seals and Fur Seal Islands of the North Pacific Ocean, Part III. Washington, D. C., pp. 555 - 557.
  • Rathbun, M. J. (1904) Decapod crustaceans of the northwest coast of North America. Harriman Alaska Expedition, 10, 1 - 219.
  • Holthuis, L. B. (1947) The Decapoda of the Siboga expedition Part IX: the Hippolytidae and Rhynchocinetidae. Siboga Expeditie, 39 a (8), 1 - 100.
  • Kozloff, E. N. (1974) Keys to the Marine Invertebrates of Puget Sound, the San Juan Archipelago, and Adjacent Regions. University of Washington Press, Seattle, 226 pp.
  • Butler, T. H. (1980) Shrimps of the Pacific Coast of Canada. Canadian Bulletin of Fisheries and Aquatic Science, 202, 1 - 280.
  • Wicksten, M. K. (1990 b) Key to the hippolytid shrimp of the eastern Pacific Ocean. United States Fishery Bulletin, 88, 587 - 598.
  • Chace, F. A. Jr. (1997) The caridean shrimps (Crustacea: Decapoda) of the Albatross Philippine Expedition, 1907 - 1910, Part 7: families Atyidae, Eugonatonotidae, Rhynchocinetidae, Bathypalaemonellidae, Processidae, and Hippolytidae. Smithsonian Contributions to Zoology, 587, 1 - 106.
  • Jensen, G. C. (2004) Status of Eualus pusiolus in the northeastern Pacific, with a description of a new species of Eualus (Decapoda: Hippolytidae). Journal of Crustacean Biology, 24, 463 - 469.