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Subulina octona

Multimedia & Additional Resources

Type	Description	Download
Image:	Adult	76KB
Image:	Adult (2)	15KB

General Information

GLOBAL DISTRIBUTION: NATIVE Caribbean; EXOTIC EXOTIC widespread incl. Pacific islands

COOK ISLANDS STATUS: Introduced - Recent, Naturalised; S.Group - v.common; Land, lowlands and inland; under damp leaflitter

SIGNIFICANCE LIST: ; Invasive - moderate

KEY FEATURES: Auger-like shell to 15x4mm(LxØ). SHELL colourless, glossy, transparent; ~8 whorls, tip blunt. IN LIFE shell posterior half dark gray, anterior half pale yellow. ANIMAL pale yellow c.5mm long.

Cook Islands Distribution

View Distribution Map

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

Northern Group:
TN	MH	RK	PK	NS	SW

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

Subulina octona (Bruguière, 1789)
TAXONOMY: ANIMALIA; MOLLUSCA; GASTROPODA; PULMONATA; Stylommatophora; Sigmurethra; Holopodopes; Achatinacea; SUBULINIDAE

More Information

SIGNIFICANCE NOTES -
NEGATIVE SIGNIFICANCE: Invasive - moderate. Comments: Becomes very abundant and is thought to out-compete many indigenous snails.

GENERAL NOTE: A Caribbean species which first appeared in the Pacific in 1887 - now very widespread.

Vouchers & References

Vouchers:
None Recorded.

References:
None recorded.

Data Update History (information):
zTX, zB02, zM02, zupM05b, zD02, zupD05b

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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