General information
Protopterus annectens (Owen, 1839)  
   
Common nameWest African lungfish, Mamba
Synonyms
Lepidosiren annectens Owen, 1839
Protopterus annectens annectens (Owen, 1839)
Rhinocryptis annectens (Owen, 1839)
Protopterus annectans (Owen, 1839)
Protopterus anguilliformis Owen, 1841
Protopterus rhinocryptis Gray, 1850
Lepidosiren tobal Castelnau, 1855
Protopterus annectens brieni Poll, 1961
IUCN Red List status (2014)
Not Reported
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Sarcopterygii; Dipnoi; Lepidosireniformes; Protopteridae.
Geographical distribution Kenya; Nigeria; Cameroon; Ghana; Sudan; Ivory Coast; Senegal; Guinea; Sierra Leone; Benin; Burkina Faso; Central African Republic; Chad; Gambia; Mali; Niger; Togo
Occurrence native: Kenya; native: Nigeria; native: Cameroon; native: Ghana; questionable: Sudan; native: Ivory Coast; native: Senegal; native: Guinea; native: Sierra Leone; native: Benin; native: Burkina Faso; native: Central African Republic; native: Chad; native: Gambia; native: Mali; native: Niger; native: Togo
Importance Food/Ornamental
Karyological information
Geographical area of study Nigeria
Source of chromosomes Gonads, spleen, gills, gut & muscle
Number of specimens with sex 10 (male and female juveniles)
Diploid chromosome number 34
Karyotype formula 16m+6sm+12t
Fundamental arm number 56
Chromosome length 5-30
Sex chromosome Not reported
Chromosome staining/banding/FISH Heterochromatic bands were centromeric in position; Ag-NORs were present on a small telocentric chromosome pair; FISH with human telomeric sequences labelled telomeres on all chromosomes.
Reference Morescalchi MA, Rocco L, Stingo V (2002). Cytogenetic and molecular studies in a lungfish, Protopterus annectens (Osteichthyes, Dipnoi). Gene, 295: 279–287.
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