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Lethrinus olivaceus

‘Īroa

Longface Emperor

Multimedia & Additional Resources

Type	Description	Download
Image:	Adult with alternate colour phase (Suwarrow)	40KB
Image:	Adult specimen (Pukapuka)	61KB

General Information

COMMON NAMES: Longface Emperor, Longnosed Emperor, Smalltooth Emperor; German Langschnauziger Strassenkehrer; French Lethrinus à Long Museau, Empereur Gueule Longue

TRADITIONAL NAMES: ‘Īroa (RR MG), ‘Īroa / Tara ‘Īroa < ‘Īroa (AK), Hīloa (TS), Hīroa (TW), Palu Yīloa (PK)

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

COOK ISLANDS STATUS: Native; PLUS: S.Group, occasional on outer slope; N.Group common in lagoons.; Marine, near-shore

SIGNIFICANCE LIST: Excellent eating.

KEY FEATURES: To 84cm SL.(RM91) [ 100cm - GBR]

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea:
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

Lethrinus olivaceus Valenciennes, 1830
SYNONYMS: Lethrinus elongatus [CHECK - MisID, incl. Sims88 & 99, e.Africa - s.Japan]; Lethrinus miniatus [pers. comm. T.Lewis, currently valid miniatus is NOT this one]

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

Vouchers & References

Vouchers:
Pukapuka: fieldspecimen+photo, 3/2004, K.Salisbury with ID as Lethrinus olivaceus. Suwarrow: field ID N.Sims as Lethrinus elongatus (Sims EIA99).

References:
text p.146 Myers (1991 2nd Ed.) Fishes of Micronesia
plate 55E Myers (1991 2nd Ed.) Fishes of Micronesia
p.202 Randall et al. (1990) Fishes of the Great Barrier Reef....
plate 53-10 Lieske & Myers (1996) Coral Reef Fishes
plate 47-05 Allen (1997) Marine Fishes of Tropical Australia....

Data Update History (information):
zTX, zB02, zM02, zupM05a, zupM07a, 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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