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Atherinosoma microstoma in Australia
Small-mouth hardyhead

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Atherinosoma microstoma   (Günther, 1861)
Family:	Atherinidae (Silversides) , subfamily: Atherininae			picture () by ( not available )
Order:	Atheriniformes  (silversides)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Small-mouth hardyhead
Max. size:	10.7 cm SL (male/unsexed; Ref. 44894)
Environment:	pelagic-neritic; anadromous ; depth range 0 - 8 m
Climate:	temperate; 33°S - 40°S
Global Importance:
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	Southwest Pacific: endemic to Australia.
Biology:	Found in shallow coastal bays, estuaries and lakes ranging from pure fresh to salinities in excess of seawater (Ref. 9002). Occurs abundantly in in estuaries around eel-grass thickets, occasionally penetrating the lower freshwater reaches of rivers. Feeds on tiny crustaceans and insects. Breeds in spring (September to October). An annual species (living for only one year), dying shortly after spawning (Ref. 44894)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:	Dyer, Brian S.
Main Ref:	Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley. 1989. (Ref. 7300)
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Australia country information
Common names:	Smallmouth hardyhead, Endora's hardyhead, Fanged hardyhead, Greyback, Small-mouth hardyhead		Ref:  Kuiter, R.H., 1993
Status:	endemic		Ref:  Kuiter, R.H., 1993
Salinity:	freshwater, brackish, marine
Uses:	no uses
Comments:	Found from Tuggerah Lakes, New South Wales (33°18'S) to Lake George, South Australia (140°E) (Ref. 7300), including Tasmania (Ref. 9002). Known from the New South Wales-Queensland border to Murray river mouth (South Australia) (Ref. 44894). Also Ref. 7300.
States/Provinces:	New South Wales (native) South Australia (native) Tasmania (native) Victoria (native)
States/Provinces Complete?:	Yes
Country Information:	www.cia.gov/cia/publications/factbook/geos/as.html
National  Fisheries  Authority:	www.csiro.au/
Occurrences:	Occurrences    Point map
Main Ref:	Allen, G.R., S.H. Midgley and M. Allen, 2002
Update

More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Scirus | Tree of Life | Zoological Record
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Ortañez, Auda Kareen	Entered:  Luna, Susan M.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07