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Stegastes nigricans

Katoti

Dusky Gregory

Multimedia & Additional Resources

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Image:	Adult and Male (Rarotonga)	47KB

General Information

COMMON NAMES: Dusky Gregory, Dusky Gregory, Yellow-tailed Damselfish, Dusky Farmerfish; German Schwarzweisser Gregory; French Grégoire Noir, Atoti

TRADITIONAL NAMES: Katoti (MK AK TS TW), Kō‘utu‘utu Kerekere (MT), Tutuku (PK); Other Polynesian - Atoti (TAH)

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

COOK ISLANDS STATUS: Native; N.Group. (PN, MN, SW) PLUS:; Marine, near-shore

KEY FEATURES: To 12cm SL.(RM91) [ 15cm - GBR]

Cook Islands Distribution

View Distribution Map

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

Northern Group: Present
TN	MH	RK	PK	NS	SW
P			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

Stegastes nigricans (Lacepède, 1802)
SYNONYMS: Eupomacentrus nigricans; Holocentrus nigricans [O]; Pomacentrus nigricans

TAXONOMY: ANIMALIA; CHORDATA; GNATHOSTOMATA (Jawed Vertebrates); PISCES; OSTEICHTHYES; Perciformes; Labroidei; POMACENTRIDAE, Pomacentrinae

Vouchers & References

Vouchers:
Aitutaki: specimen+photo, NBSAP school collection, 12/2000, G.McCormack, to BPBM with ID J.Randall as Stegastes nigricans, 5/2004. Tongareva: field ID N.Sims (Sims88). Manihiki: field ID N.Sims (Sims88). Pukapuka: fieldspecimen, 2/2004, G.McCormack with ID as Stegastes nigricans. Suwarrow: field ID N.Sims (Sims88 & EIA99).

References:
text p.175 Myers (1991 2nd Ed.) Fishes of Micronesia
plate 87h Myers (1991 2nd Ed.) Fishes of Micronesia
p.284 Randall et al. (1990) Fishes of the Great Barrier Reef....
p.405 Burgess et al. (1988) Atlas of Marine Aquarium Fishes (TFH)
plate 88-04 Lieske & Myers (1996) Coral Reef Fishes
plate 66-15 Allen (1997) Marine Fishes of Tropical Australia....
Species No. 722 Munro (1967) Fishes of New Guinea

Data Update History (information):
zTX, zB02, zM02, zupM06a, 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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