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Aphyosemion bivittatum in Nigeria
Twostripe lyretail

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Aphyosemion bivittatum   (Lönnberg, 1895)
Family:	Nothobranchiidae (African rivulines)			picture (Apbiv_u7.jpg) by Hippocampus-Bildarchiv
Order:	Cyprinodontiformes  (rivulines, killifishes and live bearers)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Twostripe lyretail
Max. size:	5.0 cm TL (male/unsexed; Ref. 27139)
Environment:	benthopelagic; non-migratory; pH range: 6 - 6.5; dH range: 1 - 6
Climate:	tropical; 22 - 24°C
Global Importance:	aquarium: commercial
Resilience:
Distribution:	Africa: southeastern Nigeria and southwestern Cameroon.
Diagnosis:	Dorsal soft rays (total): 10-13; Anal soft rays: 12-15
Biology:	Restricted to brooks in the coastal rainforest with a calcium containing soil (Ref. 3788). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Huber, J.H.. 1996. (Ref. 27139)
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Nigeria country information
Common names:	Deba-ogoin		Ref:  Olaosebikan, B.D. and A. Raji, 1998
Status:	native		Ref:  Huber, J.H., 1996
Salinity:	freshwater
Uses:	no uses
Comments:	Distributed in South east to Cross River (Ref. 31256). Also Ref. 27139, 27885. Biafra (Ref. 31267).
Country Information:	www.cia.gov/cia/publications/factbook/geos/ni.html
Occurrences:	Occurrences    Point map
Main Ref:	Wildekamp, R.H., R. Romand and J.J. Scheel, 1986
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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 | Identification keys | 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.
	Checked:  Froese, Rainer	Modified:  Sanciangco, Millicent	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