Overview

Comprehensive Description

Biology

Maximum recorded TL was 6.5 cm (Ref. 5599).
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Distribution

Range Description

This monospecific species occurs in coastal basins of Guinea (starting from the Konkouré), Sierra Leone and Liberia (up to the River St. John)
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Western Africa.
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Africa: Coastal rivers from the Konkouré (Guinea) to the St. John (Liberia) (Ref. 53405).
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Physical Description

Morphology

Dorsal spines (total): 14 - 15; Dorsal soft rays (total): 8 - 10; Analspines: 3; Analsoft rays: 7 - 9
  • Teugels, G.G. and D.F.E. Thys van den Audenaerde 2003 Cichlidae. p. 521-600. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 2. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 815p. (Ref. 53405)   http://www.fishbase.org/references/FBRefSummary.php?id=53405&speccode=8136 External link.
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Size

Maximum size: 50 mm SL
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Max. size

5.0 cm SL (male/unsexed; (Ref. 5599))
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Diagnostic Description

Description: outer jaw teeth mixed uni- and bicuspid, inner jaw teeth unicuspid, pharyngeal jaw teeth bicuspid; micro-gill rakers present; scales ctenoid (Ref. 53405).Coloration: yellowish, with 6 black cross bars and a wide, black, opercular blotch; first bar located above opercular spot, the following 3 more or less distinctly prolonged unto dorsal fin, the third and sixth inflated at midpoint; distal margin of spinous part of dorsal fin light; no "tilapian" mark at beginning of soft part of dorsal fin, a character allowing distinction of this species from young Tilapia; pelvic fins dark with outer rays black (Ref. 53405).
  • Teugels, G.G. and D.F.E. Thys van den Audenaerde 2003 Cichlidae. p. 521-600. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 2. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 815p. (Ref. 53405)   http://www.fishbase.org/references/FBRefSummary.php?id=53405&speccode=8136 External link.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This is a benthopelagic fish of maximum recorded TL 6.5 cm.

Systems
  • Freshwater
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Environment

benthopelagic; freshwater; pH range: 6.0 - 8.0; dH range: 5 - 12
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Diseases and Parasites

Bacterial Infections (general). Bacterial diseases
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Lalèyè, P.

Reviewer/s
Entsua-Mensah, M., Darwall, W. & Smith, K.

Contributor/s

Justification
This species is widespread within western Africa and found in many locations, coastal basins of Guinea (starting from the Konkouré), Sierra Leone and Liberia. There is no information on any major threats to the species. It is therefore assessed as Least Concern.
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Population

Population
No available data.

Population Trend
Unknown
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Threats

Major Threats
No current threats known.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
None known.
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Wikipedia

Anomalochromis thomasi

Anomalochromis thomasi is a species of fish in the family Cichlidae, the only species in the genus Anomalochromis. It is a small cichlid growing to a length of 6–8 centimetres (2.4–3.1 in). The natural habitat of A. thomasi is Sierra Leone, Liberia and Guinea, mainly in smaller streams. The fish are typically found in slightly acidic, oxygen rich water with other west African cichlid genera such as Hemichromis and Pelvicachromis.

See also[edit]

References[edit]

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