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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 Conversely if kept singly, in a very small group or in cramped conditions it can become withdrawn and subdominant fish may be bullied incessantly.

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'Barbus' holotaenia BOULENGER, 1904

Spotscale Barb

March 13th, 2012 — 1:21pm

This species is native to Central West Africa where it is principally found in the great Ogooué and Congo River systems. It therefore has an extensive range and has been recorded at numerous localities right across the Democratic Republic of Congo (DRC) from the Ituri River in the far east of the country to the Luki River basin in the extreme west.

The Congo River appears to represent the southernmost limit of its range as a…

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'Barbus' sublineatus DAGET, 1954

March 13th, 2012 — 1:21pm

The genus Barbus is in something of a confused state classification-wise. While there exist almost 340 putative species the vast majority of them do not appear to be closely-related to the genus Barbus sensu stricto.

Berrebi et al. (1996) proposed that only the European, Southwest Asian and North African representatives should be included in Barbus (around 20 species) and that ‘all species of Barbus sen…

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'Barbus' guirali THOMINOT, 1886

African Blackfin Barb

March 13th, 2012 — 1:21pm

A stylish-looking but rare barb in the hobby and unfortunately little information is available regarding its captive care. Forum member Andy Rushworth has kept a lone individal and told us it was a perfect aquarium inhabitant in terms of behaviour and maintenance. He also mentioned that the fish he had looked exactly like the specimen in our images but that he has seen at least one batch of what appeared to be a different species imported under the same na…

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Fundulopanchax gardneri (BOULENGER, 1911)

Steel-blue Killifish

March 13th, 2012 — 1:20pm

This species is also known as ‘Gardner’s Killi’ and ‘blue lyretail’ and the commonly-available aquarium forms are perhaps among the best choices for those new to keeping killifishes being relatively hardy, colourful and easy to breed.

A number of ornamental strains have also been line-bred by aquarists including ‘gold’ and ‘albino’.

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Aphyosemion splendopleure (BRÜNING, 1929)

Splendid Killifish

March 13th, 2012 — 1:20pm

There exist several different colour forms of this species depending on collection locality, and these should not be kept together in order to prevent hybridisation and preserve bloodlines. It has been classified in the subgenus Chromaphyosemion by some authors who consider that nominal grouping to represent a monophyletic branch of a paraphyletic Aphyosemion.

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Parachanna africana (STEINDACHNER, 1879)

March 13th, 2012 — 1:18pm

Following Bonou and Teugels (1985), P. africana can be distinguished from congeners by the following combination of characters: colour pattern unique, comprising a series of 8-11 dark, chevron-shaped markings extending along the body posterior to the pectoral fins; 19-24 scales in the transverse series; lateral line complete with 73-83 pored scales; 45-48 dorsal-fin rays 45-48; 32-35 anal-fin rays.

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