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Gymnocranius grandoculis

‘Īroa

Bluelined Large-eye Bream

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General Information

COMMON NAMES: Bluelined Large-eye Bream, Robinson's Sea Bream; French Bossu à Lignes Bleues, Bossu Blanc Grosse Race

TRADITIONAL NAMES: ‘Īroa (RR)

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

COOK ISLANDS STATUS: Native; Marine, near-shore, outer reef-slope 50-100m

KEY FEATURES: To 80cm. /Silvery body, fins yellowish edges. Blue squiggly lines on snout and cheek.

Enlarged Image of 'Gymnocranius grandoculis'

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

Gymnocranius grandoculis (Valenciennes, 1830)
SYNONYMS: Cantharus grandoculis [O]; Gymnocranius robinsoni [of authors]

TAXONOMY: ANIMALIA; CHORDATA; GNATHOSTOMATA (Jawed Vertebrates); PISCES; OSTEICHTHYES; Perciformes; Percoidei; Percoidea; LETHRINIDAE

Vouchers & References

Vouchers:
Cooks: Carpenter & Allen 1989, FAO Spec. Synop. #125 (v.9).

References:
Special Reference: Carpenter & Allen 1989. Emperor fishes and large-eye breams of the world (Lethrinidae)... FAO Spec. Synop. #125 (v.9).

p.198 Randall et al. (1990) Fishes of the Great Barrier Reef....
plate 52-06 Lieske & Myers (1996) Coral Reef Fishes
plate 47-04 Allen (1997) Marine Fishes of Tropical Australia....

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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