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Tylochromis sudanensis Daget, 1954
Life   Vertebrata   Fish   Cichlidae   Tylochromis


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Tylochromis sudanensis : fisheries
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Tylochromis sudanensis Daget , 1954

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Google image Image of Tylochromis sudanensis No image available for this species;
drawing shows typical species in Cichlidae.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Tylochromis: Greek, tylos = callus + Greek, chromis = a fish, perhaps a perch (Ref. 45335 ) ;   sudanensis: Named by Daget (1954) presumably in reference to the middle Niger localities he sampled in the French Sudan; the French term "soudanienne" (Soudan) is anglicized by Beadle (1974) and Lowe-McConnell (1975, 1985) as "soudanian" (Ref. 52346 ) .

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic. Tropical; 18°N - 5°N

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: Upper and middle Niger, and the rivers Bénoué, Cross and Wouri in Nigeria and Cameroon (Ref. 53405 ).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 20.0 cm SL male/unsexed; (Ref. 81260 )

Short description Morphology | Morphometrics

Dorsal spines (total): 13 - 16; Dorsal soft rays (total): 13-15; Anal spines : 3; Anal soft rays : 7 - 8; Vertebrae : 28 - 29. Diagnosis: 13 or fewer (rarely 14) gill-rakers along lower limb of first arch; 37-43 lateral line scales; head length 28.0-34.1% of standard length; predorsal length 36.5-43.2% of standard length; more gradual rise in dorsal spine length from 1st to 6th-7th; pectoral fin relatively short, rarely reaching level of spinous anal fin (Ref. 52346 ).

Biology     Glossary (e.g. epibenthic)

Prefers algae and plant matter, as well as invertebrates; maternal mouthbrooder that does not pair-bond (Ref. 52307 ). Maximum total length 26.0 cm (Ref. 42518 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Mouth brooder (male or female is unknown).

Main reference Upload your references | References | Coordinator : Kullander, Sven O. | Collaborators

Lamboj, A. , 2004. The Cichlid Fishes of Western Africa. Birgit Schmettkamp Verlag, Bornheim, Germany. 255 p. (Ref. 52307 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 10 January 2020

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: FAO - Publication: search | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  2.6   ±0.25 se; based on food items. Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (14 of 100). Price category (Ref. 80766 ):   Unknown .

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Updated: 2024-03-28 18:23:28 gmt
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