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Aphyosemion decorsei (PELLEGRIN, 1904)

March 21st, 2012 — 2:10pm

Type locality is the settlement of Bessou, Lobaye prefecture, Central African Republic, which lies within the Ubangi (also spelled Oubangui) River basin. The Ubangi is a major tributary of the Congo River and this species appears restricted to its middle section and thus probably extends into northern Republic of Congo and Democratic Republic of Congo.

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Aphyosemion sp. 'Oyo' RPC 91/8

March 20th, 2012 — 10:06pm

This undescribed species is a member of the A. elegans group of closely-related species within the genus.

Collected for the aquarium hobby in 1991 from close to the town of Oyo, Cuvette department, Republic of the Congo. The town lies on the Alima River, a right bank tributary of the middle Congo system.

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'Barbus' jae BOULENGER, 1903

March 13th, 2012 — 1:24pm

Although gregarious by nature it is a shoaling rather than schooling species which develops a distinct pecking order between males. It should ideally be maintained in a group of 8 or more but the tank must be of a sufficient size which will allow weaker individuals some respite from dominant conspecifics and decorated in such a way that many broken lines of sight are provided. Conversely if kept singly, in a very small group or in cramped conditions it can become withdrawn and subdominant fish may be bullied incessantly.

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Congochromis sabinae (LAMBOJ, 2005)

March 13th, 2012 — 1:21pm

This species was present in the hobby for some time prior to being officially described and the spectacular red fish first exported by Pierre Brichard in the 1960s appears to be a regional form of it. It was also known variously as Nanochromis sp. 'Bamanja', N. sp. 'Genema', N. sp. 'Makoua' and N. sp. Bloody Mary' prior to description, and continues to be mislabelled as N. squamiceps on trade lists.

Diagnosis of C. sabinae is possible via a combination of c…

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Aphyosemion ogoense (PELLEGRIN, 1930)

Broken-line Killifish

March 13th, 2012 — 1:20pm

This species is not an annual fish, being found in permanent bodies of water in nature. Over 20 different forms of it have been discovered at different localities and a handful have been given subspecific names. The most popular in the aquarium hobby include A. o. ottogartneri and A. o. pyrophore, both of which were initially described as separate species.

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Aphyosemion australe (RACHOW, 1921)

Lyretail Killi

March 13th, 2012 — 1:20pm

Also known by the vernacular names You might also see it for sale as ‘golden lyretail’ or ‘lyretail panchax, A. australe was among the first killifishes to become popular in the hobby and still a favourite today. There exist a number of wild forms which tend to be labelled with place and year of collection in order to preserve bloodlines and avoid hybridisation, as well as several ornamental strans including ‘orange’, ‘gold’, ‘chocolate’, and ‘albino’.

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Clypeobarbus congicus (BOULENGER, 1899)

Congo Barb

March 13th, 2012 — 1:19pm

Clypeobarbus was originally put forward as a subgenus of Barbus by Fowler in 1936 on the basis that member species possessed a midlateral row of enlarged, shield-like scales but he only included the type species ‘Barbuskemoensis (now a junior synonym of Clypeobarbus pleuropholis) in the group. Subsequent work by Poll and Lambert (1961), Jubb (1965) and Skelton (1993) resulted in several additional species being placed into the grouping although it appears that little of this work was widely-recognised until the recent study was published.

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Alestopetersius caudalis (BOULENGER, 1899)

Yellow-tailed Congo Tetra

March 13th, 2012 — 1:19pm

This species is also traded as ‘yellow-finned’, ‘yellowtail’ or ‘blue Congo’ tetra and is occasionally bred on a commercial basis, although not on a scale comparable to its better-known relative Phenacogrammus interruptus.

No recent key to the genus exists but based on Géry (1977) and images in Mbimbi Mayi Munene and Stiassny (2012) it can be told apart from congeners by a combination of: extended median caudal-fin rays in adult males; absence of prominent dar…

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