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Nemateleotris helfrichi

Helfrichs's Dartfish

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General Information

COMMON NAMES: Helfrichs's Dartfish; German Helfrichs Schwertgrundel; French Poisson-fléchette de Helfrich

GLOBAL DISTRIBUTION: NATIVE PNG - Tuamotus; n. to s.Japan; s. to Australs

COOK ISLANDS STATUS: Native; S.Group. (RR) PLUS: Photo RR 54m (Sims); Marine, near-shore, outer reef-slope

SIGNIFICANCE LIST: Aquarium

Enlarged Image of 'Nemateleotris helfrichi'

Cook Islands Distribution

View Distribution Map

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

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

Nemateleotris helfrichi Randall & Allen, 1973
TAXONOMY: ANIMALIA; CHORDATA; GNATHOSTOMATA (Jawed Vertebrates); PISCES; OSTEICHTHYES; Perciformes; Gobioidei; MICRODESMIDAE, Ptereleotrinae

Vouchers & References

Vouchers:
Rarotonga: 1 photo 54m Tikioki ID N.Sims, confirmed J.E.Randall (Sims88).

References:
text p.221 Myers (1991 2nd Ed.) Fishes of Micronesia
plate 118d Myers (1991 2nd Ed.) Fishes of Micronesia
p.561 Burgess et al. (1988) Atlas of Marine Aquarium Fishes (TFH)
plate 119-02 Lieske & Myers (1996) Coral Reef Fishes

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

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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