Hemigrapsus oregonensis (Dana, 1851)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 265-267

publication ID

1175­5334

persistent identifier

https://treatment.plazi.org/id/C5657B52-FE94-B219-44D1-F90BCC0F0AE3

treatment provided by

Felipe

scientific name

Hemigrapsus oregonensis (Dana, 1851)
status

 

Hemigrapsus oregonensis (Dana, 1851) View in CoL

( Fig. 61D, Pl. 15F)

Pseudograpsus oregonensis Dana, 1851: 248 View in CoL ; 1852: 334; 1855: pl. 20, fig. 6.

Brachynotus oregonensis . — Holmes 1900: 82.

Hemigrapsus oregonensis View in CoL . — Rathbun 1904: 189; 1917: 270, pl. 70. — Weymouth 1910: 63, pl. 14, fig. 43. — Schmitt 1921: 274, text fig. 162, pl. 48. — Johnson & Snook 1927: 396, fig. 352. — Garth & Abbott 1980: 621, fig. 25.45. — Hart 1982: 220, fig. 91.— Ricketts et al. 1985: 358, fig. 275. — Campos & de Campos 1989: 174. — Bonfil et al. 1992: 39, fig. 1B. — Jensen 1995: 17, fig. 2. — Kuris et al. 2007: 641.

Diagnosis. Carapace more or less square, smooth, with 2 lateral teeth posterior to postorbital tooth. Front with deep median sinus. Chelipeds smooth, adult male with rounded lobe on antero-internal angle of merus, patch of setae on inner surface of propodus; fingers of cheliped curved, with teeth, spooned. Pereopods 2–5 with coarse, sparse setae, dactyls narrow. Male carapace length to 29 mm, female smaller.

Color in life. Greenish to muddy gray, sometimes with minute black dots; fingers of chela white, without redpurple spots ( Hart, 1982).

Habitat and depth. Salt marshes, mud flats; quiet, protected tide pools, gravel flats, intertidal zone.

Range. Resurrection Bay , Alaska to Tortugas Bay, Baja California, Mexico. Type locality Puget Sound .

Remarks. In bays and harbors, H. oregonensis can occur by the hundreds.

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Varunidae

Genus

Hemigrapsus

Loc

Hemigrapsus oregonensis (Dana, 1851)

Wicksten, Mary K. 2012
2012
Loc

Hemigrapsus oregonensis

Kuris, A. M. & Sadeghian, P. & Carlton, J. T. 2007: 641
Jensen, G. C. 1995: 17
Bonfil, R. & Carvacho, A. & Campos, E. 1992: 39
Ricketts, E. F. & Calvin, J. & Hedgpeth, J. W. & Phillips, D. W. 1985: 358
Hart, J. F. L. 1982: 220
Garth, J. S. & Abbott, D. 1980: 621
Johnson, M. E. & Snook, H. J. 1927: 396
Schmitt, W. L. 1921: 274
Rathbun, M. J. 1917: 270
Weymouth, F. W. 1910: 63
Rathbun, M. J. 1904: 189
1904
Loc

Brachynotus oregonensis

Holmes, S. J. 1900: 82
1900
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