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Ctenochaetus binotatus

Twospot Bristletooth

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General Information

COMMON NAMES: Twospot Bristletooth

GLOBAL DISTRIBUTION: NATIVE e.Africa - Tuamotu; n. to s.Japan; s. to Rarotonga

COOK ISLANDS STATUS: Native; S.Group - Rarotonga to date; Marine, near-shore, outer reef-slope, 10-50m; over rubble

KEY FEATURES: To 22cmSL. Orange-brown with narrow blue lines on body, and blue spots on face and cheeks and throat; iris blue; a small black spot at the posterior base of the Dorsal and Anal Fins; Tail dark brown. JUVENILE similar except darker brown with orange tail.

Enlarged Image of 'Ctenochaetus binotatus'

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea:
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

Ctenochaetus binotatus Randall, 1955
TAXONOMY: ANIMALIA; CHORDATA; GNATHOSTOMATA (Jawed Vertebrates); PISCES; OSTEICHTHYES; Perciformes; Acanthuroidei; ACANTHURIDAE, Acanthurinae

Vouchers & References

Vouchers:
Rarotonga: video, Papua reef-flat, c.2000, Sven Afsenius with ID as Ctenochaetus binotatus Juv., 5/2005 G.McCormack ID confirmed as Ctenochaetus binotatus Juv..

References:
text p.247 Myers (1991 2nd Ed.) Fishes of Micronesia
plate 128d Myers (1991 2nd Ed.) Fishes of Micronesia
p.427 Randall et al. (1990) Fishes of the Great Barrier Reef....
plate 126-09 Lieske & Myers (1996) Coral Reef Fishes
plate 95-16 Allen (1997) Marine Fishes of Tropical Australia....

Data Update History (information):
zB05a, 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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