Aphyosemion (Chroma) Sub-genus

Bitaeniatum  Bivittatum
Other Chromaphyosemion Photo Table

    Chromaphyosemion (Aphyosemion subgenus) are killifish found primarily in Nigeria, from the coastal regions of Central-West Africa, from the border between Togo and Ghana to the West, to the mouth of the Ogooue River, in Gabon, in the South-East.  Chromaphyosemion thrive in small rivers and streams with thick growths of vegetation in the stream bed and along the banks of the river.  Chromaphyosemion killifish require weekly water changes of 25%-50%, pH of 6.6 - 7.4, dH of 4.0 - 10.0, and plenty of aeration for optimum health and spawning conditions.

    The species of Aphyosemion killifish in the Chromaphyosemion (Chroma) group are:

 Aph. (Chroma) Alpha [Biafra, Funge, Kwa River Falls Plantation, Santa Clara GJS 00/34, Cap Esterias LEC 93/26, Liberville km16]

Aph. (Chroma) bitaeniatum, [Afanyangan TMBB 90/13, Agetiko RT97, Agomé-Klozou TMBB 90/12, Apapa,  CIN 97, Dedekpoe, Dévé, Gammi, Godomey - Cotonou, Igolo,  Ijagema River, Ijebu Creek, Ijebu Ode, Ijagema-River, Ikeja, Ikpenié, Lagos, Lakossa, Iwere, Meko, Oron, Port Harcourt, Porto Novo, Satoké, Takon, Tchékpoé-Dédépoé, TMBB 90/13, Umudike, Warri,Yemoji River, Yemon River, Zagnanado, Zinvié]

 Aph. (Chroma) bivittatum, [Benin City, Biafra,  Cotonou, Funge, Fungé C 91, Fungé C 92, Fungé 4 / 2000, Hollyi, kamkpa, Kwa Riverfalls Plantation, kouamense LEC 93/24, Mundemba (Ndian River) C 91, North of Calabar, Satom River 3, CMM 48]

Aph. (Chroma) loennbergi, [Apou C 89/31, C 89/20, C89/31, Bach Hina, Bakolo, Basilebeko, Bipaga, Bipindi, Boga, Edéa CSK 28/95,  Edéa - Yaoundé Km 22, Edéa - Yaoundé Km 35, Ekom - Nkam, Eséka, Fifinda, KEK 98/12, KEK 98/7, Kienke River, Koukoue, Kribi, Lepku'um, Leponyok, Lobé,Loc Bako'o,  Lolodorf, Makondo CCP 28/7, Makouré, Mapan, Massakoua, Mbebé, Mvilé, Nange,  Ndodok, Ndoupe, Nikanda C 89/22,  Nkonga, Ntumba, Mapubi PK 64, Pama,  Pouma, Region of Boga, Ruisseau Hina, Socapalm, Sokélé, Song Bibai C89/21, Song Mahi, Song Mayo,Song Minové, Song-Ndong,  C89/22, ]C 89/30,C 89/31 Edea-Yaounde km 18, C 91 Song Dong, HJRK 92 / 5 Mbebé, HJRK 92/12 (also PK 72), Ebolowa-Akom, HJRK 92/20 (also PK 50), Ebolowa-Kribi, HJRK 92/13 (also PK 94), Ebolowa-Kribi PK 5 Kribi-Campo, PK 18 Edea-Yaounde, PK 64 Socapalm]

Aph. (Chroma) lugens, [Afan Essokie HLM 99/28, KEK 98/5]

Aph. (Chroma) poliaki, [Bolifamba, Ekona Yard, Mile 29, Mt. Cameroun, Munea, SE 99/22]

Aph. (Chroma) riggenbachi, [Bonepoupa 2, Bleu, C 89/18, C 89/19, C94/1, Cellucum C 89/23, Dibamba (Nyam Tam), Dibeng, Dibombe (An isolated population at the northern edge of distribution), Dibini, Henda River - HLM 18/99, Kondé, Makemba-Souza, Mandjap, Ndomama HJRK 92/19, Ndokpo, N'kapa, Nkokem, Nkondjock, Nkwo 97/1, Quelle (Yabassi),  Ruisseau Séla, Solé, Somakak, Song Makak, Tibéti, Vari North, Yabissi, C 89 19, C 89 / 23 Cellucam, C 94/1, HAH 98 Bonepoupa, HJRK 92/18 Ndokama, HJRK 92/19 Ndokama, KPI 89, PK 12 Ndokama, PK 15 Ndokama]

Aph. (Chroma) splendopleure, [Bakossi, Bakundu, Bata (Equatorial Guinea), Bobongo, Bombe CXC 23, Bolbitis,  Bonabe, Bonabéri, Bonépoupa, Campo HJRK 92/17, C 89/15, CGE 91/18, CGS 83, CSK 95/24, Dizangue C89/33, Dizangué II, Douala, Ebonji, Edéa, Edéa - Yaounde km 10, Ekondo titi, CGS 83, Elogbatindi,  Fifinda, Kopongo C 89/35, Kopongo 1 C89/36, Koukoué, Kumba GPE90/3, Libreville (northwestern Gabon), Lobe, Lolabé, Lykoko, Mambanda, Mangoulé, Mbimbé, Mbonge, Mboumboula River, Méme River (western Cameroon), Mbumbulu, Moliwe GPE90/5, Monea, Mouanko. Muyuka C94, Muyuka CXC 24, Muyuka Police Station C89/15, Nali, Nyangadjo (southwestern Cameroon), Oron, Owé, Penda Mboko K6, Sole, Tiko, Touwata, Yato,Yoké]  and

 Aph. (Chroma) volcanum, [Bakossi, Bakundu Forest Reserve, Banza Bogongo (near Lobe), Bombé, Buae (western Cameroon), Eboni,  Ekondo Titi, Kaké, Kumba (western Cameroon), Loum, Lykoko, Mandanda, Mbongé, Meanja,  Mémé, Moliwe, Muyuka, Yoké]

    For photos, please see:  Chromaphyosemion Photo Table

    Even within these species there are several color morphs and location populations.  Chromaphyosemion are also distinguished from other Aphyosemion and killies generally by their very large and spectacular dorsal and anal fins.

    Chromaphysemions do very well in aquariums of 5 - 10 gallon size.  They do best in well planted aquarium, to simulate their native environment. 

    Chromaphosemion are plant spawners and readily can be bred in the aquarium using the mop spawning method.  (Breeding Help/Info Aquarium-Club Members Only)

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