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Melanoides tuberculata

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General Information

GLOBAL DISTRIBUTION: NATIVE Afirca - s.Europe - Asia - e.Polynesia

COOK ISLANDS STATUS: Introduced - Polynesian, Naturalised; Freshwater, wetlands - ponds -streams, to 100+m

KEY FEATURES: A long turret-shaped shell with an eroded top, to 40mm. Shell brown to olive with dark red-brown vertical stripes and flecks.

SIMILAR SPECIES: Similar to Melanoides arthurii but present species has dark vertical stripes and flecks, and adults have eroded spire.

Enlarged Image of 'Melanoides tuberculata'

Cook Islands Distribution

View Distribution Map

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

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

Melanoides tuberculata (Müller)
SYNONYMS: Thiara tuberculata

TAXONOMY: ANIMALIA; MOLLUSCA; GASTROPODA; PROSOBRANCHIA; Mesogastropoda; Cerithiacea; THIARIDAE

More Information

GENERAL NOTE: A parthenogenetic speices (=virgin birth), which lives birth to live young.

Vouchers & References

Vouchers:
None Recorded.

References:
None recorded.

Data Update History (information):
zB02, 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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