Green Flat Rock Crab
Percnon abbreviatum
comprehensive description 6
Percnon abbreviatum (Dana, 1851)
Acanthopus abbreviatus Dana, 1851:252.
Percnon abbreviatum.— Crosnier, 1965:88, figs. 134,139,143,149.
MATERIAL.—Manning 1971 Collection: Sta 21, English Bay: 1 female [11.0].
Smithsonian 1976 Collection: Sta 1B–76, McArthur Point: 1 male [8.0], 1 female [7.0].—Sta 1C–76, McArthur Point 3 females [7.2–12.6], 1 ovig. [12.6].
Operation Origin: Site 31, Spire Rock, from under a stone, 10 m: 1 female [11.8].
Other Collections: Jourdan (1976), off Collyer Point,~20 ft [6 ml; 1 female [8.3].
SIZE.—Carapace lengths of male, 8.0 mm; of females, 7.0–12.6 mm; of ovigerous female, 12.6.
COLOR.—Mottled dark brown and whitish; cornea red; walking legs conspicuously banded, darker bands brown or reddish.
HABITAT.—Intertidal and shallow sublittoral. Specimens were taken from coralline algae and from a rock wash, both intertidal, and in 6 meters and in 10 meters under a stone.
This is the first Atlantic record for this species, which, so far as we can determine is the only pantropical brachyuran.
DISTRIBUTION.—Pantropical; Indo-West Pacific from Hawaii, Samoa, Tahiti, and Madagascar; eastern Pacific from Clipperton Island (Garth, 1965); and now central Atlantic from Ascension; intertidal.
Sources and Credits
- (c) 104623964081378888743, some rights reserved (CC BY-NC), uploaded by 104623964081378888743, https://picasaweb.google.com/104623964081378888743/20150718Firehouse#6173535211888312130
- (c) anonymous, some rights reserved (CC BY-NC-SA), https://eol.org/media/10094432
- (c) anonymous, some rights reserved (CC BY-NC-SA), https://eol.org/media/10094433
- (c) anonymous, some rights reserved (CC BY-NC-SA), https://eol.org/media/10094434
- (c) anonymous, some rights reserved (CC BY-NC-SA), https://eol.org/media/10094435
- Adapted by nadinemi from a work by (c) Unknown, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/27279033
