After the village of Etsam

Rainer Sonnenberg & Thomas Blum

Aphyosemion (Mesoaphyosemion) etsamense (Cyprinodontiformes: Aplocheiloidei: Nothobranchiidae), a New Species from the Monts de Cristal, Northwestern Gabon.

Bonner Zoologische Beiträge. Band 53 (2004), Heft 1/2, Seiten 211-220.

http://alt.zfmk.de/BZB/Band_53/2005%20Sonnenberg%20R.%20u.%20Blum%20T.%20p211.pdf

Holotype: Male - 32·4 mm SL. Size in adult males 5 cm.

D = 11-13, A = 15-16, D/A = +7 to +8, ll = 31-33 +2 -3.

Mesoaphyosemion

A.cameronense

• Aphyosemion aff. obscurum (Huber's collection of 1976 - G76/55)
• Aphyosemion cameronense - Phenotype 6

Populations

• Etsam I - GEB 94/24
• BS 02/12
• BS 02/13 - North of Assok
• G 02/160, 161
• GEM 05 / 3 - aff.etsamense
• JH 78/55 - Song (Also seen as G 78/55)
• LEC 99/21
• LEC 99/22

G 02/160. A small river at Etsam I, crossing the N5 road from Medoneu to Kougouleu. Collected 29th July 2002 by T.Blum, G.Fleck & R.Sonnenberg.

Limited area. Monts de Cristal along route N5. Found near Etsam, Assok & Song. Replaced to the north by A.mimbon.

Rainforest streams & small rivers with slow flow rate. The type locality is 3-4 metres wide & 0·8 metres deep, slow flowing. Fish are found under over hanging terrestrial vegetation. Other localities are small streams 0·5 - 2 metres wide & 0·4 - 0·5 metres deep emtying into larger rivers. Base consists of sand, water temperature 20-26°C, clear water.