Country Species Summary

Bagrus filamentosus Pellegrin, 1924
Family:	Bagridae (Bagrid catfishes)	picture (Bafil_u1.jpg) by Musschoot, T.
Order:	Siluriformes (catfish)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:
Max. size:	69.0 cm TL (male/unsexed; Ref. 3055); max. published weight: 2,050 g (Ref. 3013)
Environment:	demersal
Climate:	tropical; 23 - 28°C; 16°N - 8°N
Global Importance:
Resilience:	High, minimum population doubling time less than 15 months (Assuming Fec>10,000)
Distribution:	Africa: Niger River system.
Diagnosis:	Dorsal spines (total): 1-1; Dorsal soft rays (total): 10-11; Anal soft rays: 12-13. Snout slightly rounded and protruded (Ref. 3055). Maxillary barbel 1.5-3.2 times head length (Ref. 3032), reaching the anal fin in juveniles and the pectoral fin in adults; nasal barbel 0.2 times head length (Ref. 3055). External mandibulary barbel 0.6-1 times head length (Ref. 3032), 1.5-2 times the length of the internal mandibulary barbel (Ref. 2756). Internal mandibulary barbel 0.42-0.56 times head length (Ref. 3069). Eyes supralateral (Ref. 2756). Occipital processus long, close to the interneural (Ref. 3055). Dorsal spine smooth (Ref. 3069). First branched dorsal fin ray prolonged into a long filament, and the succeeding ones in shorter filaments (Ref. 31256, Ref. 7324). Only the first branched ray is filamentous in juveniles (Ref. 3069, Ref. 2756). Longest filament 2-3 times in standard length; adipose fin height 4.1-5.7 times into length of its base (Ref. 3036), 1.75 times longer than the dorsal fin (Ref. 3056, Ref. 3055). Distance between dorsal and adipose fin small (Ref. 2756). Caudal fin deeply forked (Ref. 3056). Upper lobe of caudal fin often with a short filament (Ref. 7324), lower lobe rounded and without filament (Ref. 3056). Pectoral filaments often present (Ref. 13851, Ref. 3036, Ref. 3055), reaching the pelvics (Ref. 3069). Strong pectoral spine present (Ref. 3069, Ref. 3032). Pelvic fins more inserted under 7-8 branched rays of dorsal fin (Ref. 13851, Ref. 3036). Coloration: life specimens greyish or yellowish, with a white belly (Ref. 7324). Fins grey, often tinged with rose (Ref. 13851, Ref. 7324). Caudal fin sometimes with black spots; juveniles are blackish (Ref. 7324).
Biology:	Eats fish (Ref. 51193)
Threatened:	Not Evaluated, see IUCN Red List , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Risch, L.M.. 1986. (Ref. 3236)
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Mali country information
Common names:	Samon, Samon kwo, Samon solaga, Samon sugunuhon, Samon syé	Ref: Daget, J., 1949
Status:	native	Ref:
Salinity:	freshwater
Uses:	live export:
Comments:	Known from the central Niger delta (Ref. 51742).
Country Information:	www.cia.gov/cia/publications/factbook/geos/ml.html
National Fisheries Authority:	www.orleans.ird.fr/~pechedcn/
Occurrences:	Occurrences Point map
Main Ref:	Jayaram, K.C., 1966
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Modified: Musschoot, Tobias

Entered: Sa-a, Pascualita

CGNET - US

Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07

	Ref.:		Glossary
		(e.g. 9948)		(e.g. cephalopods)
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