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Butis koilomatodon in Madagascar
Mud sleeper

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Butis koilomatodon   (Bleeker, 1849)
Family:	Eleotridae (Sleepers) , subfamily: Butinae			picture (Prkoi_u1.jpg) by Sazima, I.
Order:	Perciformes  (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Mud sleeper
Max. size:	10.7 cm TL (male/unsexed; Ref. 7391)
Environment:	demersal; amphidromous
Climate:	tropical
Global Importance:
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	Indo-Pacific: Delagoa Bay, Mozambique and Madagascar to China and Philippines. Eastern Atlantic: Port Harcourt (Niger delta in Nigeria) (Ref. 7391).
Diagnosis:	Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-8; Anal spines: 1-1; Anal soft rays: 8-8. Dark brown, scales edged in dark brown; body with 4-5 oblique bands; anterior part of 1st dorsal fin dark, 2nd dorsal and caudal fin with alternating dark brown and white spots, anal and pelvic fins dusky to black, pectorals clear (Ref. 5493). Females with more distinct bands and lighter fins (Ref. 5493).
Biology:	Inhabits rivers, estuaries (Ref. 4967) and mangrove creeks (Ref. 10812). Feeds on crustaceans and small fishes. Marketed fresh (Ref. 12693)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Miller, P.J. and P. Wongrat. 1990. (Ref. 10812)
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Madagascar country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:  Maugé, L.A., 1986
Salinity:	freshwater, brackish, marine
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Also Ref. 6802.
Country Information:	www.cia.gov/cia/publications/factbook/geos/ma.html
Occurrences:	Occurrences    Point map
Main Ref:	Stiassny, M.L.J. and N. Raminosoa, 1994
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 | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	Alien/Invasive species database | 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:  Torres, Armi G.	Entered:  Sa-a, Pascualita

	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