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River

Congo

13 profiles across 5 families name the Congo as a locality.

Species
13
Families
5
Photographed
12 of 13
Difficulty rated
10 of 13

Basin

Also in the Congo basinspecies recorded from both

Shares fishes with rivers elsewherespecies recorded from both

Runs through

Adult male individual.

Alestopetersius brichardiCherry Red Congo Tetra

Alestidae · Poll, 1967

Max length
80mm SL3.1in SL
Tank
120 × 30cm48 × 12in
Temp
20–28°C68–82°F
pH
5.0–7.0

This species is sometimes traded as 'cherry red Congo tetra' or 'super red Congo tetra' and has also been referred to using the misapplied names Alestopetersius nigropterus (a valid congener) and A. ansorgii (a synonym of Nannopetersius ansorgii).

Easy
Adult male individual.

Alestopetersius caudalisYellow-Tailed Congo Tetra

Alestidae · Boulenger, 1899

Max length
60mm SL2.4in SL
Tank
120 × 30cm48 × 12in
Temp
22–26°C72–79°F
pH
5.0–7.5

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...

Easy
Male individual; aggressive mood.

Alestopetersius nigropterusAfrican Rainbow Tetra

Alestidae · Poll, 1967

Max length
60mm SL2.4in SL
Tank
120 × 30cm48 × 12in
Temp
22–26°C72–79°F
pH
5.0–7.0

This fish is normally traded as A. nigropterus or A. cf. ansorgii although neither appears to be its correct name meaning it remains unidentified at present. A. nigropterus is a valid congener that is not in the aquarium trade with little to no export from Lake Mai-Ndombe, to which it is endemic, while A. ansorgii is a synonym of Nannopetersius ansorgii.

Easy
Male of 'Barbus' candens; origin unknown.

'Barbus' candens

Cyprinidae · Nichols & Griscom, 1917

Max length
35mm SL1.4in SL
Tank
45 × 30cm18 × 12in
Temp
17–24°C63–75°F
pH
5.0–7.0

'B.' candens is not really suitable for most community aquaria as it has something of a shy, retiring nature and may be intimidated or outcompeted for food by larger/more boisterous tankmates. Choose similarly-sized, peaceful African species such as 'B.' jae, Aplocheilichthys spp., Ladigesia roloffi or Lepidarchus adonis. We suspect it will also do ok with many small South American characins, Otocinclus or smaller Corydoras catfish and other cyprinids like Trigonostigma or Boraras species.

Easy
Adult male from the Singapore aquarium trade.

'Barbus' fasciolatusAfrican Banded Barb

Cyprinidae · Günther, 1868

Max length
60mm SL2.4in SL
Tank
75 × 30cm30 × 12in
Temp
20–26°C68–79°F
pH
5.0–6.5

For many years this species was imported and sold as Barbus/Barbodes barilioides, now recognised as a junior synonym of 'B.' fasciolatus, and is sometimes called the Blue Banded or Angola Barb. It's an exceptionally attractive little fish when in good condition but like all African barbs is quite rare in the hobby due to sporadic exports from the countries in which it is found. Distinguishing features include 25-30 late...

Easy
'Barbus' holotaenia.

'Barbus' holotaeniaSpotscale Barb

Cyprinidae · Boulenger, 1904

Max length
120mm SL5in SL
Tank
120 × 45cm48 × 18in
Temp
24–30°C75–86°F
pH
6.0–7.0

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...

Moderate
Adult male specimen.

'Barbus' hulstaertiAfrican Butterfly Barb

Cyprinidae · Poll, 1945

Max length
35mm SL1.4in SL
Tank
45 × 30cm18 × 12in
Temp
17–24°C63–75°F
pH
5.0–6.5

Two closely-related species are also found in the Congo basin and infrequently seen in the trade. 'B.' candens has been collected northeast of the range of 'B.' hulstaerti around the city of Kisangani (formerly Stanleyville) and nearby town of Yangambi. It can be distinguished from 'B.' hulstaerti by its paler body colouration, smaller dark markings on the body and red ventral and anal fins in males. 'B.' papillo is known only from its type locality close to the eastern town of Kindu between the Lualaba and Lomami rivers. It has an elongated central body marking and males possess black dorsal, ventral and anal fins.

Moderate
Clypeobarbus congicus.

Clypeobarbus congicusCongo Barb

Cyprinidae · Boulenger, 1899

Max length
60mm SL2.4in SL
Tank
90 × 30cm36 × 12in
Temp
22–26°C72–79°F
pH
6.0–7.0

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 'Barbus' kemoensis (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.

Moderate
Adult male specimen in normal colouration.

Congochromis sabinae

Cichlidae · Lamboj, 2005

Max length
70mm SL2.8in SL
Tank
60 × 30cm24 × 12in
Temp
24–27°C75–81°F
pH
4.0–6.0

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...

Moderate

Ctenopoma acutirostreLeopard Bushfish

Anabantidae · Pellegrin, 1899

Max length
150mm SL6in SL
Tank
120 × 30cm48 × 12in
Temp
20–28°C68–82°F
pH
5.5–7.5

An ideal species for the newcomer to 'oddballs'. It is exceptionally hardy, long-lived (it can survive for over 15 years when cared for properly) and exhibits some interesting behaviour. It appears to have evolved convergently with leaf fish of the genera Polycentrus and Monocirrhus (they're not closely related). All these species mimic leaves and other aquatic debris to assist them in hunting their prey. If you add live food to its tank, you will see the typical stalking behaviou...

Easy
Adult male specimen of A. cognatum 'Lac Fwa'...

Aphyosemion cognatumRed-Spotted Lyretail

Nothobranchiidae · Meinken, 1951

Max length
50mm SL2.0in SL
Tank
not recorded
Temp
not recorded
pH
not recorded

The type material was derived from a commercial shipment of fishes from Leopoldville, now Kinshasa, Democratic Republic of Congo, and presumed to have been collected in the vicinity. The precise extent of its distribution unknown but appears extensive in the middle and lower Congo regions, with specimen collected from Lac Fwa (Sankuru River drainage, a Congo River tributary), many hundreds of kilometres west of Kinshasa, identified as belonging to this species.

Rating withheld
3 fields missing
Adult male of A. decorsei Kapou RCA 91/1...

Aphyosemion decorseiDecorse's Lyretail

Nothobranchiidae · Pellegrin, 1904

Max length
50mm SL2.0in SL
Tank
not recorded
Temp
not recorded
pH
not recorded

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.

Rating withheld
3 fields missing
Adult male specimen; collection details unspecified.

Epiplatys mesogramma

Nothobranchiidae · Huber, 1980

Max length
not recorded
Tank
not recorded
Temp
not recorded
pH
not recorded

Endemic to the Ubangi (also spelled Oubangui) River drainage in southwestern Central African Republic with type locality given as 'Small stream along Mbaiki-Mongoumba road, south of Bangui, 3°55'N, 18°10'E, Central African Republic'. The Ubangi is is the largest right-ba...

Rating withheld
4 fields missing