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Ophiocara porocephala in Palau
Northern mud gudgeon

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Ophiocara porocephala   (Valenciennes, 1837)
Family:	Eleotridae (Sleepers) , subfamily: Butinae			picture (Oppor_u3.jpg) by Keith, P.
Order:	Perciformes  (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Northern mud gudgeon
Max. size:	34.0 cm TL (male/unsexed; Ref. 5493)
Environment:	demersal; amphidromous
Climate:	tropical; 20 - 30°C
Global Importance:	fisheries: of no interest; aquarium: commercial
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Distribution:	Indo-West Pacific: East Africa to the Philippines, north to the Ryukyu Islands (Ref. 559), south to Australia and New Caledonia (Ref. 13235).
Diagnosis:	Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-9; Anal spines: 1-1; Anal soft rays: 7-7. Head and body dark; 2nd dorsal and caudal spotted; juveniles with irregular crossbars (Ref. 5493).
Biology:	Adults occur in brackish estuaries, river mouths and freshwater creeks (Ref. 2847, 48637, 44894). Found in the lower courses of rivers, often upstream from the tidal zone (Ref. 12693). Young are usually found while wading in rocky creeks near the coast (Ref. 2847). Marketed fresh (Ref. 12693)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Maugé, L.A.. 1986. (Ref. 6802)
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Palau country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:  Myers, R.F., 1999
Salinity:	freshwater
Uses:	no uses
Comments:	Recorded from Arakitaoch River.
Country Information:	www.cia.gov/cia/publications/factbook/geos/ps.html
Occurrences:	Occurrences    Point map
Main Ref:	Bright, G.R. and J.A. June, 1981
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 | Bio-Quiz | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | National databases | PubMed | Scirus | Tree of Life | Zoological Record
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Pablico, Grace Tolentino	Entered:  Torres, Armi G.

	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