After Einar Lönnberg, a Swedish ichthyologist.

Boulenger 1903. Fundulus loennbergii

Description of new freshwater fishes from southern Cameroon.

Annals & Magazine of Natural History (7) xii, p 440-441.

5 cm

• D = 11-12, A = 12-13, ll = 27 (Boulenger 1903)
• D = 11-14, A = 12-16, ll = 25-28 (Radda & Pürzl 1987)

n = 17, A = 25 (Scheel 1990)

Chromaphyosemion

• Fundulus loennbergii Boulenger 1903 - Collected by Bates
• Fundulus pappenheimi Ahl 1924 - Type locality, Bipindi Gardens
• Aphyosemion (Fundulopanchax) loennbergii Myers 1924
• Fundulopanchax lönnbergii Meinken 1930
• Aphyosemion lönnbergii Holly 1930
• Aphyosemion loennbergii Myers 1933
• Aphyosemion pappenheimi Myers 1933
• Aphyosemion (Fundulopanchax) pappenheimi Ahl 1935
• Aphyosemion (Fundulopanchax) unistrigatus Ahl 1935. Collected by Zenger. Type locality Bipindi
• Aphyosemion unistrigatus Scheel 1968
• Aphyosemion bivittatum (non Lönnberg 1895) Scheel 1969
• Aphyosemion unistrigatum Lazara 1979
• Aphyosemion (Chromaphyosemion) loennbergii Gimplinger 1981

• Apou
• Bach Hina
• Bakolo
• Basilebeko
• Bidou
• Bipaga CCPT 84/8
• Bipindi
• Bivouba
• Boga
• Ebea (?)
• Edéa CSK 28/95
• Edéa - Yaoundé Km 22
• Edéa - Yaoundé Km 35
• Ekom - Nkam
• Eséka
• Fifinda
• Kienke River
• Kopomgo
• Koukoue
• Kribi (southwestern Cameroon)
• Lepku'um
• Leponyok
• Lobé
• Loc Bako'o
• Lolodorf
• Makondo
• Makouré
• Mapan
• Massakoua
• Mbebé
• Mile 29
• Mvilé
• Nange
• Ndodok
• Ndoupe
• Nkonga
• Ntumba
• Mapubi PK 64
• Pama
• Pouma
• Region of Boga
• Ruisseau Hina
• Soca Palm - PK 64
• Sokélé 1
• Song Bibai
• Song Mahi
• Song Mayo
• Song Minové
• Song-Ndong
• ABC 05 / 1 - North of Pouma
• ABC 05 / 2 - 17 kms west of Pouma
• ABC 05 / 3 - Song Ndong
• ABC 05 / 25 - Afanouan
• ABC 05 / 26 - Adjap I
• ABC 05 / 27 - Elon
• ABC 05 / 29 - Aso I
• ABC 05 / 30 - Assok I
• ABC 05 / 31 - Akom II
• ABC 05 / 32 - Bissiang (Also see splendopleure)
• ABC 05 / 33 - Bissiang
• ABC 05 / 34 - East of Bisiang
• ABC 05 / 35 - Bidou I
• ABC 05 / 36 - Bifoum
• ABC 05 / 38 - Makouré II
• ABC 05 / 64 - East of Edea
• ABC 05 / 65 - Batombe
• ABC 05 / 66 - East of Batombe
• ABC 05 / 67 - West of Song Ndong
• ABC 05 / 68 - Song Ndong
• ABC 05 / 70 - Mpolgue
• BLLMC 05 / 25 - Bidjouka
• BLLMC 05 / 15
• C 89 / 18 - Bonepoupa-Yabassi km 20
• C 89 / 21 Song Bibai
• C89 / 22
• C 89 / 30 - Apou
• C 89 / 31 Edea-Yaounde km 18
• C 91 Song Dong
• CBL 01 / 13 - Nkakanzok
• CI 01 (US Import)
• CMG 23 / 2 Nkakanzock
• CSK 95 / 28 Edea-Yaounde km 18
• 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
• KEK 98 / 7
• KEK 98 / 12
• PK 5 Kribi-Campo
• PK 18 Edea-Yaounde
• PK 64 Socapalm
• CMM 39
• CXC31
• JVC 08 - 32km Süd (south) Kribi

http://www.nakashima.org/ga_loenn.htm Japan Gallery

CXC 31 - This population also referred to as EY 18km CXC31. Bill Drake in BKA Newsletter No.319, April 1992 states that he received eggs in late October 1990 from Jaap Vlaming who was a member of the collecting team who found them.
From a researchers point of view it is easy to confuse the C89 collection with this collection but in fact they are 2 seperate codes. Both refer to 18 km & EY.
Eggs were received in damp peat so they will take short periods of damp storage. From wetting this peat it took another 14 days before fry emerged. Fry continued to hatch for a further 7 days. It was found that fry mortality decreased on regular changes of fresh water. Fry from this import under these conditions were predominantly male.
Water conditions were not considered critical but no eggs were layed outside the parameter of 68 - 74°F. Brood water was pH 6-7 & 2-4° Hardness.

Types 1-2 Kribi River (now Kienke River); types 3-6 Zima Country; types 7-10 Efulen. All collected by G.L.Bates Esq.

Southwestern Cameroon, in the Kienke, Lokundje & Nyong River drainages. The largest distribution area of the subgenus.

Mainly found in low altitude areas although this species has penetrated inland in Cameroon reaching 400 m altitude & even occasionally 600 m. To the south of the Sanaga River they can be found up to the Southern Cameroon Plateau. At Lolodorf they have been found in biotopes rising up the first cliffs of this plateau.

They are able to traverse difficult natural barriers such as the Sanaga River where they are found on the north bank. Also found at Mvile which is up river above the Mbikiliki falls & rapids. Perhaps the most difficult location was above the Ekom falls of the Nkam River (a drop of some 80 metres).

Also found in a small river tributary of the Dibombe River situated some 30 km south southwest of Nkongsamba. This location according to Amiet 1987 is only a few tens of kms from a stream inhabited with A.riggenbachi.

Known to be sympatric with A.melanogaster & A.punctulatum in the Kribi are.

Small rainforest streams & pools flowing or situated on basement rock.

In the area of Boga they are found with Aphyosemion amoenum, Epiplatys esekanus & E.sexfasciatus.

At Mvilé they are found with members of the Aphyosemion cameronense group.

Boulenger described Fundulus loennbergii in 1903 from 2 specimens collected by Bates in the Kribi (Kienke) River, southern coastal Cameroon.

In 1908 Arnold reported loennbergii which had been imported into Germany from Warri, Nigeria. These were undoubtedly misidentified.

Boulenger gives the following collectors / locations in his 1915 Catalogue.

• 1-2 (Types) Collected in the Kribi River.
• 3-6. Collected in Zima Country.
• 7-10. Collected at Efulen. All above collected by G.L.Bates.

In 1915 Boulenger reported four specimens from the Zima County & a further four from Efulen, both from southern Cameroon. Boulenger also reported bivittatum from the Kribi area.

In 1930 Fowler reported three male bivittatum (?) from the Kribi area.

Scheel caught numerous bivittatum (?) specimens in 1966 from the area of Kribi.

In the BKA newsletter No. 96, August 1973 reference is made to there only being 3 pairs in the BKA at this time.

History of the synonym Fundulus pappenheimi Ahl 1924

Ahl described this sp. from a single specimen collected by Zenker at Bipindihof, Cameroon. Holly examined this individual in 1930 & changed some of the data.

History of the synonym Aphyosemion (Fundulopanchax) unistrigatus Ahl 1935

Ahl described this species from 8 specimens collected at Bipindi, southern Cameroon by Zenger. This location is at an altitude of 63 metres above sea level & is within the Lokundje drainage.

Regarded in some accounts as a difficult species to breed. Males can be aggressive & 2-3 females per male is a better ratio. Eggs are laid generally in top mops. Water incubation takes 10-12 days. Sexual maturity takes around 6-7 months.
Sterba in Freshwater Fishes reported 200 eggs being laid in a spawning period of 14 days. Young hatch in 12 days at the earliest.

In the BKA newsletter No.96, August 1973 a small reference is made to not touching the eggs but leaving the fish to breed in a well planted tank & let the young grow on with the parents. They were regarded in these days as not prolific. The breeder only raised 2 trios in 4 months.

In BKA newsletter No.106, June 1974 reference is made to eggs being slightly larger than bivittatum & requiring an incubation period of 20 days at 21-22°C. Fry were reported to be large on hatching & able to take newly hatched brine shrimp although it was felt better to feed infusoria as a first food.
Fry were prone to bacterial problems & velvet & a clean tank was thought essential with frequent water changes. Young fish were observed to fight even at half to three quarters of an inch to the point of fatality. Grading young fish according to size was thought prudent.
Water used to raise the fry was pH 6·6, DH 2 & the author felt harder water would keep bacterial attacks down.

Oliver Legros in BKA newsletter No.327, December 1992 states that they are 'one of the easiest species to breed'. He reported that some eggs have been observed to stay clear in a diapausal state where these fry can take up to a month to hatch. Fry emerge normal & healthy.
At the age of 4 - 6 weeks the black bands start to appear in young. Males can be seen by the orange reflection in the anal fin. Some males can colour up slowly.
Spawning begins around 5 - 6 months. Fin extensions can take 12 - 18 months to develop.