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Grapsus longitarsis

Multimedia & Additional Resources

Type	Description	Download
Image:	Adult female	24KB
Image:	Adult male? (b&w illustration)	78KB

General Information

TRADITIONAL NAMES: Peka ?ID (PK)

GLOBAL DISTRIBUTION: NATIVE Indonesia - Marshalls - Cooks - Tuamotu - Hawai‘i

COOK ISLANDS STATUS: Native; Marine, near-shore

KEY FEATURES: Carapace 25x32mm (LxW). Yellow with small brown speckles bunched to give a blotchy appearance. Cheliped fingers spooned.

SIMILAR SPECIES: Very similar to Grapsus strigosus, but has straighter lateral margins of carapace, relatively wider front and relatively longer walking legs. Only to be separated by expert comparison!

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea:
RR	MG	AT	MK	MT	AK	PL	TK	MN
	P				P

Northern Group:
TN	MH	RK	PK	NS	SW
	P		P

Key to Symbols

blank	no data
-	absent	L	localised
X	extinct 'naturally'	W	widespread
XQi	quarantine intercepted	R	recent
XQe	eradicated	?	query preceding category
P	present	T?	taxonomic query
S	seasonal	nn	present, said to have no name
O	occasional	?1	present, name not investigated
++++	very common	?2	presence not verified, no name recorded
+++	common	N/A	absent, name not expected
++	uncommon
+	rare
Cook Islands islands: RR =Rarotonga, MG = Mangaia, AT =‘Ātiu, MK=Ma‘uke, MT=Miti‘āro, AK=Aitutaki, PL=Palmerston, PN=Penrhyn, MN=Manuae, TK=Takūtea, TN=Tongareva (TS=Tongaleva Spoken, TW=Tongareva Written, they say "el" but write "r"), MH=Manihiki, RK=Rakahanga, PK=Pukapuka, NS=Nassau, SW=Suwarrow. After a Polynesian name: ^=orthography query. Countries and other: FIJ=Fiji, WT=Wallis & Futuna, SAM=Samoa, TON=Tonga, NIU=Niue, CK=Cook Islands, CKM=Cook Islands Māori, FP=French Polynesia, AUS=Australs, SOC=Societies, TAH=Tahiti, TUA=Tuamotus, MQS=Marquesas, MNG=Mangareva, PIT=Pitcain group, EAS=Easter Island, HAW=Hawai‘i, NZ=New Zealand, NZM=New Zealand Māori

Scientific Taxonomy

Grapsus longitarsis Dana, 1851
SYNONYMS: Grapsus strigosus [not of Herbst]; Grapsus strigosus longitarsis

TAXONOMY: ANIMALIA; ARTHROPODA; CRUSTACEA; MALACOSTRACA; EUMALACOSTRACA; Eucarida; Decapoda; Reptantia; Brachyura; Brachygnatha; Brachyrhyncha; GRAPSIDAE

Vouchers & References

Vouchers:
Cooks: (C/020, 1980s) and (C/046, 1980s)-?ID; Manihiki: Bullivant74; Pukapuka: BPBM-Cat.4578;

References:
Special Reference: Forest & Guinot 1961 [Fr.]; Edmondson 1959;

Data Update History (information):
zTXmx, zB02, zM02, zD02

Web Resources

Citation Information

McCormack, Gerald (2007) Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org.
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