Metacarcinus gracilis
Creators
Description
(Fig. 54E, F; Pl. 13G)
Cancer gracilis Dana, 1852: 73. — Holmes 1900: 52. — Rathbun 1904: 177; 1930: 219, pl. 95, text fig. 34. — Weymouth 1910: 42, pl. 9, figs. 26–28. — Schmitt 1921: 232, pl. 35, fig. 2. — Johnson & Snook 1927: 381, fig. 336. — Phillips 1939: 23, fig. 17. — Nations 1975: 34, figs. 17C, D, 18C, D, 36-1, 36-2. — Word & Charwat 1975: 48.— Garth & Abbott 1980: 604, fig. 25.18. — Wicksten 1980c: 360. — Hart 1982: 214, fig. 88. — Ricketts et al. 1985: 543. — Jensen 1995: 28, fig. 34. — Kuris et al. 2007: 642.
Metacarcinus gracilis. — Schweitzer & Feldmann 2000: 235.
Diagnosis. Carapace strongly convex, front not produced, with 3 median teeth. Anterolateral teeth of carapace low, not pointed, carapace granulated, widest at tooth 9; small anterolateral tooth 10. Merus of third maxillipeds elongated, rounded anteriorly. Carpus of cheliped with 2 teeth, one above at distal angle, second below it. Palm with rows of minute spinules, movable finger roughened dorsally but without large teeth. Pereopods 2–5 slender, dactyls elongated. Carapace length 27.3 mm.
Color in life. Carapace brownish to gray, lower surface, much of legs yellowish; purple marks on pereopods 2, 3. Apices of chelae white. The color notes are from crabs from Cabrillo Beach, Los Angeles County; and Princeton Harbor, San Mateo County; California.
Habitat and depth. Mud flats, sandy beaches and offshore areas, eel grass beds, intertidal zone to 174 m.
Range. Prince William Sound, Alaska to Playa Maria Bay, Baja California, Mexico. Type locality San Francisco, California.
Remarks. Megalops larvae and juveniles of this crab have been found on large medusae.
Notes
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Linked records
Additional details
Identifiers
Related works
- Is part of
- Journal article: http://publication.plazi.org/id/395C032AFF9CB3134446FFC9C8060B2C (URL)
- Is source of
- https://sibils.text-analytics.ch/search/collections/plazi/C5657B52FF7AB3F544D1FF5ECCA808AE (URL)
Biodiversity
- Family
- Cancridae
- Genus
- Metacarcinus
- Kingdom
- Animalia
- Order
- Decapoda
- Phylum
- Arthropoda
- Scientific name authorship
- Dana
- Species
- gracilis
- Taxon rank
- species
- Taxonomic concept label
- Metacarcinus gracilis (Dana, 1852) sec. Wicksten, 2012
References
- Holmes, S. J. (1900) Synopsis of California stalk-eyed Crustacea. Occasional Papers of the California Academy of Sciences, 7, 12 - 62.
- Rathbun, M. J. (1904) Decapod crustaceans of the northwest coast of North America. Harriman Alaska Expedition, 10, 1 - 219.
- Rathbun, M. J. (1930) The cancroid crabs of America of the families Euryalidae, Portunidae, Atelecyclidae, Cancridae and Xanthidae. Bulletin of the United States National Museum, 152, 1 - 593.
- Weymouth, F. W. (1910) Synopsis of the true crabs (Brachyura) of Monterey Bay, California. Leland Stanford Junior University Publications, University series 4, 1 - 64.
- Schmitt, W. L. (1921) The marine decapod Crustacea of California. University of California Publications in Zoology, 23, 1 - 470.
- Johnson, M. E. & Snook, H. J. (1927) Seashore Animals of the Pacific Coast. Dover Publications, New York, reprint 1967, 659 pp.
- Phillips, J. B. (1939) The market crab of California and its close relatives. California Fish and Game, 25, 18 - 29.
- Nations, J. D. (1975) The genus Cancer (Crustacea: Brachyura): systematics, biogeography and fossil record. Natural History Museum of Los Angeles County Bulletin, 23, 1 - 104.
- Word, J. & Charwat, D. (1975) Key to Cancer. In: Word, J. & Charwat, D. (Eds.) Invertebrates of Southern California Coastal Water s. I. Selected Groups of Annelids, Arthropods, Echinoderms and Molluscs. Southern California Coastal Water Project, El Segundo, California, pp. 35 - 54.
- Garth, J. S. & Abbott, D. (1980) Brachyura: the true crabs. In: Morris, D., Abbott, D. & Haderlie, E. (Eds). Intertidal Invertebrates of California. Stanford University Press, Stanford, California, pp. 594 - 630.
- Wicksten, M. K. (1980 c) Mainland and insular assemblges of benthic decapod crustaceans of southern California. In: Power, D. M. (Ed). The California Islands: Proceedings of a Multidisciplinary Symposium. Santa Barbara Museum of Natural History, Santa Barbara, California, pp. 357 - 367.
- Hart, J. F. L. (1982) Crabs and their Relatives of British Columbia. British Columbia Provincial Museum Handbook 40, Victoria, 267 pp.
- Ricketts, E. F., Calvin, J., Hedgpeth, J. W. & Phillips, D. W. (1985) Between Pacific Tides. Stanford University Press, Stanford, California, 5 th ed., 652 pp.
- Jensen, G. C. (1995) Pacific Coast Crabs and Shrimps. Sea Challengers, Monterey, California, 87 pp.
- Kuris, A. M., Sadeghian, P. & Carlton, J. T. (2007) Keys to Decapod Crustacea. In: Carlton, J. T. (Ed.) The Light and Smith Manual: Intertidal Invertebrates Central California to Oregon. University of California Press, Berkeley, 4 th ed., pp. 636 - 656.
- Schweitzer, C. E. & R. M. Feldmann, R. M. (2000) Re-evaluation of the Cancridae Latreille 1802 (Decapoda: Brachyura) including three new genera and three new species. Contributions to Zoology, 69, 223 - 250.