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Psammogobius biocellatus in Seychelles
Sleepy goby

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Psammogobius biocellatus   (Valenciennes, 1837)
Family:	Gobiidae (Gobies) , subfamily: Gobiinae			picture (Glbio_u2.jpg) by Randall, J.E.
Order:	Perciformes  (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Sleepy goby
Max. size:	12.0 cm TL (male/unsexed; Ref. 4343)
Environment:	benthopelagic; amphidromous
Climate:	tropical; 22 - 28°C
Global Importance:	fisheries: of no interest
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	Indo-Pacific: south to East London, South Africa (Ref. 2798). Western Central Pacific: Guam (Ref. 35720). Often confused with the more common Glossogobius giuris.
Diagnosis:	Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 8-8. Body dark brown to black, with longitudinal rows of small black spot; 2-3 saddles on back and side; black 1st dorsal fin; dark crossbands on pelvic fins (Ref. 2798).
Biology:	Inhabits intertidal areas, estuaries, lagoons and coastal rivers. Common in mangroves (Ref. 4343, 44894). Occasionally penetrates the lower reaches of freshwater streams (Ref. 44894)
Threatened:	, (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Maugé, L.A.. 1986. (Ref. 4343)
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Seychelles country information
Common names:	Gobie à deux taches, Gobi de tas, Gobie biocellé		Ref:  Keith, P., G. Marquet, P. Valade, P. Bosc and E. Vigneux, 2006
Status:	native		Ref:  Keith, P., G. Marquet, P. Valade, P. Bosc and E. Vigneux, 2006
Salinity:	freshwater, brackish, marine
Regulations:	no regulations		Ref:
Uses:	no uses
Country Information:	www.cia.gov/cia/publications/factbook/geos/se.html
Occurrences:	Occurrences    Point map
Main Ref:	Hoese, D.F., 1986
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 ) | National databases | PubMed | Scirus | Tree of Life | Zoological Record FishWatcher |
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Busson, Frédéric	Entered:  Garilao, Cristina V.

	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