Aphyosemion erythron Sonnenberg 2007



A.erythron GEMHS 41. Male left, female right. Photo courtesy of Werner Eigelshofen.

Meaning of Name

After the Greek erythros. Refers to the rows of red dots along body & fins.
First Description

Sonnenberg R. 2007.

Two new species of Chromaphyosemion (Cyprinodontiformes: Nothobranchiidae) from the coastal plain of Equatorial Guinea.

Ichthyol. Explor.Freshwaters, Vol. 18, No. 4, pp. 359-373, 7 figs, 4 tabs, December 2007.
Size

Male - 24·5 mm SL (holotype). In aquaria - males 25 mm, females 20 mm.
Meristics

D = 11-13, A = 12-15, ll = 23-26 + 2-3.
Karyotype
  • GEMHS 41 - 2n=36 - Völker et al
  • Scheel's BI strain - 2n=34 - Scheel 1974
Sub-Genus

Chromaphyosemion
Group

Synonyms
  • Aphyosemion bivittatum (non Lönnberg 1895) Roman 1971
  • Aphyosemion bitaeniatum (non Ahl 1924) Scheel 1990
  • Aphyosemion splendopleure (non Brüning 1929) Huber 2000
  • Aphyosemion aff.splendopleure Huber 2000
  • Chromaphyosemion sp. Rio Muni Pohlmann 2006

Populations

  • GEMHS 00 / 35 - Rio Aye Basin
  • GEMHS 00 / 41 - Rio Ecucu Basin
  • GEMHS 00 / 35 - Collected by Malumbres et al 9th July 2000. Near Nomenam. Rio Aye basin.
  • GEMHS 00 / 41 - Collected by Malumbres et al 11th July 2000. Two km east of the village Ecurya, Rio Ecucu basin
  • 18 km south of Bata - Collected by Scheel.
  • Miyogo (river ?) - A tributary of the River (Rio) Monyoga (part of the Rio Ecucu drainage). Collected by Roman.
  • 4 km south of the new bridge over the Rio Benito in the Rio Uolo drainage.
Type Locality

Distribution

Habitat

Distinguishing Characteristics Distinguished from it's neighbours - A.kouamense, A.melanogaster, A.ecucuense & most forms of A.malumbresi by a thin red submarginal band in the anal fin of males.
Males have a light blue to blue/grey colouration on sides.
Colour/Pattern Variability
History

Holotype collected 18th July 1968 on the road from Senye - Izaguirre (between Bisum & Avuenam), Rio Muni, Equatorial Guinea.
Breeding Notes

Diameter of Egg
Remarks