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I/RR-6
THE STATUS OF WARM-WATER FISH CULTURE IN AFRICA (contd.)

Appendix I

Warm-water pond fish culture in the African Region

CountryIntroduction startedMain fish culturedNo. of ponds constructedArea covered (ha)No. of ponds in operationFish culture stationsProduction in metric tonsDistribution of fingerlingsRemarks
Algeria        No information; probably no fish culture
Angola        No information; probably no fish culture
Basutoland Trouts   Maseru  For river stocking for sport fishing
Betchuana-land        No fish culture
Burundi1950Tilapia       352    65noneKaruzi   
Cameroon1952Tilapia Heterotis    9,000 5,000Yaoundé
Foumban
Bertoua
Ngaoundéré
   
Central African Republic1952Tilapia Heterotis  20,000 5,000Bangui
Berberati
Bambari
Bouar
Bria
Ouango
Bossembele
  In 1956 three extension teams with about 40 extension workers; Operations since abandoned
Chad Republic        No fish culture
Congo (Brazza-ville)1953Tilapia  12,176  1253,000Dioumouna noneIn 1958, 46 extension workers and five expatriates; No operations now.
Congo (Leopold-ville)1947Tilapia122,0674,058 Kipopo
Yackama
Bambesa
Kianza
Kwili
Kwanso
Gandajika
Dibaya
Kubinda
Kisampa-Senter
Heenen-Keyberg
Dilolo
Kolwezi
Kongolo
Kapanga
Sandoa
Nyakabera
Kisamba
Paulis
Wamba
Nyangara
Stanleyville
Komba
Djngu
1,406 Figures of 1960
Dahomey        No fish culture
Ethiopia        No fish culture
Gabon1956Tilapiaseveral “thousand” 1,500Wolen N'Tem
Nyanga
N'gounié
Libreville
Oyem
Tschibanga
4 smaller ones
  In 1959, 18 extension workers
Gambia        No fish culture, rice-cum-fish culture planned
Ghana1953Tilapialess than 30  Nungua
Bawku
Lawra
  Stations are mainly for stocking dams
Guinea1953       No information
Ivory Coast1956Tilapia       340 many abandonedBouake
9 hatcheries.
(10 percent demonstration ponds)
  Little private initiative; in 1958, 38 extension workers
Kenya1957Tilapia Trouts  12,200  610 Sagana
Kiganjo
1221
  702
  34,9001
  70,4002
First tilapia trials in irrigation systems 1924
Liberia1959Tilapia“very few”  Gbaruga
Suakoko
   
Madagascar1950Tilapia Carp Blackbass Trout  85,000  4 centres
Périné
Apamaherane
Ambatofotsy
Sisaony.
8 experimental stations, about 40 tilapia breeding stations, 1 trout hatchery
  Stations badly staffed, only few extension workers from the beginning. Today 1 expatriate no extension personnel
Malawi        No information
Mali        No fish culture
Mauritania        No fish culture
Mauritius Tilapia        20      3.2     20   25  
Morocco1924Trout1
Pike1
Blackbass1
Carp2
   Azrou
Raz el Ma
Arhbal
   
Mozambique1956TilapiaAbout 250 Several larger farms    10.5     
Niger        No fish culture
Nigeria1951
1954
Tilapia
Carp
Few
1 large
carp farm
    61    Brackish-water fish farm not yet in operation
Rhodesia Tilapia   Mazoe  For stocking purposes only
Réunion1940Trout
Tilapia
   St. Denis
Salazie3
   
Rwanda1950Tilapia      448    84noneAstuda
Kigembe
   
Senegal        No fish culture
Sierra Leone        Large-scale tilapia farming planned
Somalia (Fr.)        No fish culture
Swaziland        No fish culture
Tanzania1949Tilapia   8,000      
Togo1954Tilapia      514    60Many abandoned2 stations
20 hatcheries
Insignificant300,000Extension by forestry personnel
Tunisia Mullets
Eels
      Brackish-water lagoons
Uganda1958Tilapia  11,000  4106,000Kajansi
Several hatcheries
6501
  202
  5,3401
29,8502
 
Upper Volta1956TilapiaAbout 50 Many abandonedBérégadougou  Extension by forestry personnel
Zambia1961Tilapia   1,231  100 Solwezi
Mwekera
Serenje
Chilanga
Nyanje
Kalikali
Misamfu
  88.51960: 414,000
1964: 70,000
 

1 Tilapia
2 Trouts
1 For stocking sport fishing waters
2 In rice fields
3 Trout and tilapia
2 Carps

Appendix II

Fishes used or tried in pond fish culture in Africa

FamilySpeciesCountryRemarks
AtherinidBasilichthys bonariensisMoroccoExperimental
CentrarchidaeLepomis macrochirusCongo (Leopoldville)For blackbass feeding
ZambiaFor blackbass feeding
Micropterus salmoidesCameroonDid not spawn in ponds
Congo (Leopoldville)For tilapia control, abandoned
KenyaFor sport fishing, established in natural waters
MadagascarFor tilapia control, sometimes spawning difficulties, established in some natural waters
MozambiqueFor tilapia control
RhodesiaTogether with Lepomis
MoroccoFor sport fishing
South AfricaFor sport fishing
Pomoxis annularisMorocco 
P. nigromaculatusMorocco 
CentropomidaeLates niloticusCameroonFor tilapia control
MoroccoFor sport fishing
NigeriaFor tilapia control
Ugandavar. albertinus, for tilapia control
CharacidaeHepsetus odoëCameroonExperimental
Hydrocyon vittatusMozambiqueExperimental
CitharinidaeCitharinus citharusCongo (Leopoldville)Does not spawn in ponds
NigeriaDoes not spawn in ponds
Citharinus congicusCongo (Leopoldville)Does not spawn in ponds
Citharinus gibbosusCongo (Leopoldville)Does not spawn in ponds
Citharidium ansorgeiNigeriaDoes not spawn in ponds
Distichodus fasciatusCongo (Leopoldville)Does not spawn in ponds
Distichodus maculatusCongo (Leopoldville)Does not spawn in ponds
Distichodus sp.NigeriaDoes not spawn in ponds
CichlidaeAstotoreochromis alluaudiCameroonMallacophagous, for bilharzia control
Congo (Leopoldville)For bilharzia control
KenyaFor bilharzia control
UgandaFor bilharzia control
Hemichromis fasciatusCameroonFor tilapia control
Congo (Leopoldville)For tilapia control
Ivory CoastFor tilapia control
Upper VoltaFor tilapia control
Haplochromis mellandiCongo (Leopoldville)For bilharzia control
Paratilapia polleniiMadagascarExperimental
Serranochromis robustusCongo (Leopoldville)For tilapia control
Serranochromis thumbergiCongo (Leopoldville)For tilapia control
Tilapia aureaUgandaExperimental
Tilapia andersoniiCongo (Leopoldville)Experimental
RhodesiaPerhaps confused with T. macrochir
Zambia 
Tilapia christiiZambia 
Tilapia esculentaTanzania 
Tilapia flavomarginataGabon 
Tilapia galileaCameroon 
Central African Republic 
Congo (Brazzaville) 
Congo (Leopoldville) 
Ghana 
Ivory Coast 
Morocco 
Togo 
Tilapia heudelotiNigeriaBrackish-water culture
Tanzania 
Tilapia leucostictaUganda 
Tilapia macrochirCameroon 
Central African Republic 
Congo (Brazzaville) 
Congo (Leopoldville) 
Gabon 
Ivory Coast 
Madagascar 
Rhodesia 
Tanzania 
Togo 
Upper Volta 
Zambia 
Tilapia marginataCameroonExperimental
Tilapia melanopleuraCameroonConfused with Tilapia zillii
Congo (Brazzaville) 
Congo (Leopoldville) 
Gabon 
Madagascar 
Mozambique 
NigeriaBrackish water
Tanzania 
Togo 
Uganda 
Zambia 
Tilapia mossambicaCongo (Brazzaville) 
Congo (Leopoldville) 
Madagascar 
Mozambique 
Rhodesia 
South Africa 
Tanzania 
Uganda 
Zambia 
Tilapia multifasciataCameroon 
Ivory Coast 
Tilapia nigraCongo (Leopoldville) 
Kenya 
Mozambique 
Uganda 
Tilapia niloticaCameroon 
Congo (Brazzaville) 
Congo (Leopoldville) 
Central African Republic 
Gabon 
Ghana 
Ivory Coast 
Madagascar 
Tanzania 
Togo 
Uganda 
Upper Volta 
Tilapia sparmaniiSouth AfricaCultivated as food fish for black-bass
Tilapia tholloniCameroonPossibly confused with T. melanopleura
Tilapia zilliiCameroonProbably often confused with T. melanopleura
Central African Republic 
Congo (Brazzaville) 
Congo (Leopoldville) 
Gabon 
Ghana 
Ivory CoastDifferentiates the “races” T. zillii (local) and T. zillii (Congo)
Madagascar 
Morocco 
Tanzania 
Togo 
Uganda 
Upper Volta 
Tylochromis lateralisCongo (Leopoldville)Experimental
ClaridaeClarias sp.Congo (Leopoldville) 
ClupeidaeAlosa fintaMoroccoExperimental - not successful
CyprinidaeBarbus aeneusSouth AfricaFor river stocking
Barbus caudovittatusCongo (Leopoldville)Experimental, does not spawn in ponds
Barbus occidentalisNigeriaExperimental
Carassius auratusMadagascarSettled in natural waters
Cyprinus carpioCongo (Leopoldville)Experimental
GhanaExperimental, not successful
MadagascarSince 1914, settled in natural waters
MoroccoIn rice paddies
Nigeria 
Rhodesia 
South Africa 
Uganda 
Gardinus (Leuciscus) rutilisMadagascar 
MoroccoIn rice paddies
Labeo lineatusCongo (Leopoldville)Experimental
NigeriaExperimental
Tinca tincaMadagascar 
MoroccoIn rice fields
EsocidaeEsox luciusMadagascar 
Esox masquinongyMoroccoFor sport fishing
Esox niger  
GymnarchidaeGymnarchus niloticusCameroonExperimental
NigeriaExperimental
MugilidaeMugil cephalusTunisiaBrackish water
Mugil falcipinnisNigeriaExperimental, brackish water
Mugil grandisquamisNigeriaExperimental, brackish water
OphiocephalidaeOphiocephalus obscurusCameroonFor tilapia control, abandoned
NigeriaExperimental, for tilapia control
OsphronemidaeOsphronemus goramyMadagascarExperimental
OsteoglossidaeHeterotis niloticusCameroon 
Central African Republic 
Congo (Brazzavile) 
Congo (Leopoldville) 
Ivory Coast 
Madagascar 
Nigeria 
Togo 
PercidaeLucioperca luciopercaMoroccoFor sport fishing
Perca fluviatilisMoroccoFor sport fishing and rice fields
PolypteridaePolypterus senegalusCameroonExperimental, abandoned
PoecilidaeGambusia affinisGhanaFor malaria control
Madagascar (probably also in many other countries) 
SalmonidaeSalmo gairdneriBasutolandExperimental
KenyaFor sport fishing
Madagascar 
MoroccoFor sport fishing
Hucho huchoMoroccoExperimental, no success, cold water fish
Salmo letnicaMoroccoFor sport fishing, cold water, high altitudes
Salvelinus sp.MoroccoFor sport fishing, cold water, high altitudes
Salmo trutta macrostigmaMoroccoFor sport fishing, cold water, high altitudes
TetrodontidaeTetrodon fahaca strigosusCameroonExperimental, for tilapia control, poor results

Crustaceae

PenaeidaePaenaeus duororumNigeriaExperimental, brackish water
AstacidaeProcambarus clarkiiUgandaExperimental
PalaemonidaeMacrobrachium lepidactylusKenyaExperimental

APPENDIX III

Tilapia hybridization experiments in Africa

Species crossed (male given first)CountryReported byRemarks SR=sex ratio
Tilapia andersonii × T. macrochir(Katanga) Congo L.Bard, 1960, 1962bSR less than 100 percent monosex
(N.Rhod.) ZambiaMortimer, 1960No conclusive results
Tilapia andersonii × T. mossambica(N.Rhod.) ZambiaBard, 1960, 1962bSR less than 100 percent monosex
Mortimer, 1960No conclusive results
Tilapia aurea × T. niloticaUgandaFAO/UN, 1965SR less than 100 percent monosex
Tilapia leucosticta × T. nigraUgandaFAO/UN, 1965SR less than 100 percent monosex
Tilapia leucosticta × T. niloticaUgandaFAO/UN, 1965SR less than 100 percent monosex
Poor hybrids
Tilapia macrochir × T. niloticaCameroonBard, 1960, 1962bSR less than 100 percent monosex
Ivory CoastBard, 1960, 1962b
Bard, 1960, 1962b
Tilapia mossambica × T. macrochirRhodesiaBard, 1960, 1962bSR less than 100 percent monosex
Tilapia mossambica × T. niloticaUgandaFAO/UN, 1965100 percent males
Tilapia mossambica × T. tholloniiGermanyPeters et al, 1961For behaviour research
Tilapia nigra × T. mossambicaEast AfricaBard, 1962bSR less than 100 percent monosex
Tilapia nigra × T. niloticaUgandaFAO/UN, 1965SR less than 100 percent monosex
Tilapia nigra × T. zilliiEast AfricaBard, 1960, 1962bSR less than 100 percent monosex
Tilapia nilotica × T. macrochirCameroon,Bard, 1960, 1962bSR less than 100 percent monosex
Ivory Coast,
Gabon
Tilapia nilotica × T. mossambicaUgandaFAO/UN, 1965SR less than 100 percent monosex
No information
Tilapia nilotica × T. nigraUgandaFAO/UN, 1965SR less than 100 percent monosex
Tilapia zillii × T. menalopleuraUgandaFAO/UN, 1965No interbreeding

APPENDIX IV

Food materials used or recommended in African tilapia culture

1. Aquaticmainly for herbivorous species:
Most soft submerged and semi-submerged water flora. The following are mentioned specificially:
Characeae; Chlorophyseae; Conjugatae; Hydrilla; Lagerosiphon; Leesia; Potamogeton; Sparganium. (Plants which are not taken or only when young, by herbivorous tilapia are carex; Ceratophyllum; Cyperus; Echinochlon; Fimbristylis; Numphaeaceae; Pistia; Scirpus; Typha; Vallisneria.)
2. Terrestrialfor herbivorous and onmivorous species:
All kinds of soft vegetation and household and rural wastes. Specifically mentioned are:
Banana leaves minced, baobab press cakes, batata leaves, batata tubers cooked, beer wastes dry, bracken, green, bran, brewery waste, brewery malt, cabbage leaves, canna leaves, carrot tops, cocoa leaves, cocoa pulp, colocasia leaves, copra press cakes, cotton seeds ground, cotton-seed press-cakes, garden weeds, green grass, fruits, cooked, soft ones raw, ground-nuts ground, ground-nut press-cakes, ground-nut shells, wastes from chicken farms, kale, kitchen waste, lettuce, maize cooked, maize bran, maize cobs, broken up, maize-crushed, maize leaves, maize flour, mandioca (= cassava) leaves, mandioca meal cooked, mandioca meal dry, mandioca skins, mandioca tubors cooked, milo meal cooked, milo meal dry, “napier fodder”, palm-nut press-cakes, papaya leaves, potatoes, pumpkin, rice, rice bran, rice waste, rubber seeds ground, soft shore vegetation, soybeans ground, soybean waste, spinach, termites, wheat waste.

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