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Bagrus orientalis in Kenya

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Bagrus orientalis   Boulenger, 1902
Family:	Bagridae (Bagrid catfishes)			picture (Baori_u0.jpg) by Musschoot, T.
Order:	Siluriformes  (catfish)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:
Max. size:	44.7 cm TL (male/unsexed; Ref. 52249)
Environment:	demersal
Climate:	tropical; 3°S - 5°S
Global Importance:	fisheries: commercial
Resilience:	High, minimum population doubling time less than 15 months (Assuming Fec>10,000)
Distribution:	Africa: River Pangani (Tanzania).
Diagnosis:	Dorsal spines (total): 1-1; Dorsal soft rays (total): 9-10; Anal soft rays: 13-14. Head much depressed, smooth above or finely striated on sides of elongate fontanelle; premaxillary band of teeth 5-6 times as long as broad, nearly as broad as the band of vomerine teeth; snout truncate (Ref. 2988). Snout projecting beyond lower jaw (Ref. 52162, Ref. 2988). Maxillary barbel 1.66-2 times head length, reaching pelvics (Ref. 52162), but not passing the base of the pelvics (Ref. 1884). Nasal barbel 1/5-1/3 of head length; inner mandibular barbel 0.33-0.4 times head length (Ref. 2988). Outer mandibular barbel 0.60-0.66 times head length (Ref. 52162, Ref. 2988). Occipital processus long and narrow, almost reaching the interneural (Ref. 52249). Last ray of dorsal fin above vertical of first ray of pelvics; dorsal spine smooth, feeble; adipose fin 4-5.5 times as long as deep, about twice as long as dorsal fin; caudal fin deeply forked, with pointed lobes (Ref. 2988). Upper lobe of caudal fin with short filament (Ref. 52249). Pectoral spine moderately strong, smooth, or very slightly serrated behind (Ref. 2988). Coloration: brown or olive above, white beneath; black dots sometimes scattered on the back and on the adipose and caudal fins (Ref. 2988).
Biology:	Present in the deeper waters of large rivers (Ref. 4967)
Threatened:	, (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Risch, L.M.. 1986. (Ref. 3236)
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Kenya country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Reported from Ewaso Ngiro river.
Country Information:	www.cia.gov/cia/publications/factbook/geos/ke.html
National  Fisheries  Authority:	www.recoscix.org/openscrn.htm
Occurrences:	Occurrences    Point map
Main Ref:	Anonymous, 1999
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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 | 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
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	Entered:  Mohamed, Ali Daud

	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