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Xanthichthys caeruleolineatus

Kōkiri

Bluelined Triggerfish

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Image:	Adult (27cmSL, Rarotonga)	32KB

General Information

COMMON NAMES: Bluelined Triggerfish, Blueline Triggerfish

TRADITIONAL NAMES: Kōkiri (AT), Yimu (PK)

GLOBAL DISTRIBUTION: NATIVE Maldives - Tuamotu, Hawai‘i; n. to s.Japan; s. to s.Cooks

COOK ISLANDS STATUS: Native; S.Group (RR, ?); N.Group (PK, ?); Marine, near-shore and deepbottom; 15-200m

KEY FEATURES: Round-faced, deep-bodied fish, to 30cmSL. Pink to red, darker above; Lateral Line blue; chin and check with blue lines; Tail mainly dark red; Dorsal and Anal uniform pale or dark.

Enlarged Image of 'Xanthichthys caeruleolineatus'

Cook Islands Distribution

View Distribution Map

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

Northern Group: Present
TN	MH	RK	PK	NS	SW
			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

Xanthichthys caeruleolineatus Randall, Matsuura & Zama, 1978
TAXONOMY: ANIMALIA; CHORDATA; GNATHOSTOMATA (Jawed Vertebrates); PISCES; OSTEICHTHYES; Tetraodontiformes; Tetraodontoidei; Balistoidea; BALISTIDAE

Vouchers & References

Vouchers:
Rarotonga: single specimen in 20m Ngatangiia pass., ID N.Sims, photo ID confirmed J.E.Randall (Sims88); field sighting 1x10cm TL in 15m depth outer reef-slope Muri, ID N.Sims (Sims88); specimen+photo, 11/1992, J.Randall (on Fishbase). Pukapuka: fieldspecimen+photo, 3/2004, K.Salisbury with ID as Xanthichthys caeruleolineatus.

References:
text p.260 Myers (1991 2nd Ed.) Fishes of Micronesia

Data Update History (information):
zTX, zB02, zM04b, zupM05a, zD05a

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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