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Cyphomyrus discorhynchus  (Peters, 1852)

Zambesi parrotfish
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Image of Cyphomyrus discorhynchus (Zambesi parrotfish)
Cyphomyrus discorhynchus
Picture by Seegers, L.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)

Environment / Climate / Range Ecology

Freshwater; demersal.   Tropical; 22°C - 24°C (Ref. 12468); 11°S - 21°S

Length at first maturity / Size / Weight / Age

Maturity: Lm 11.0  range ? - ? cm
Max length : 31.0 cm SL male/unsexed; (Ref. 4967); max. published weight: 1.1 kg (Ref. 52193)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 30-36; Anal spines: 0; Anal soft rays: 23 - 27. Diagnosis: dorsal fin up to 1.5 times anal fin length; dorsal fin origin nearer caudal fin base than tip of snout; origin of dorsal fin in advance of anal fin (Ref. 52193). Chin with fleshy bulge; snout rounded in front of mouth; eye well above mouth (Ref. 4967). Male develops concavity to the margin of the anal fin, whereas that of female is straight; high back, with dorsal fin approximately 1/3 of total fish length, serves to separate it satisfactorily from other mormyrids in Zimbabwe (Ref. 13337).

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

Africa: Cunene, Okavango, Buzi, Pungwe (Ref. 52193), Zambezi (Ref. 3203, 52193), Save (Ref. 13337) and Cubango Rivers (Ref. 3203). Absent from the Kafue River (Ref. 7248, 52193). Also in lakes Tanganyika and Malawi and the upper Congo (Ref. 3203, 52193) including lakes Bangweulu and Mweru (Ref. 13337).

Biology     Glossary (e.g. epibenthic)

Nocturnal shoaling species; favors large river channels with a soft bottom and fringing vegetation (Ref. 7248, 52193). Found mainly in sheltered bays, lagoons and swampy areas; occurs also in typical sandy or rocky rivers (Ref. 13337). Feeds on bottom-living invertebrates (Ref. 52193) and insect larvae at night (Ref. 5595). Known to migrate up tributary rivers of Lake Kariba during rainy season, though it is not yet clear whether this is a breeding migration (Ref. 13337). Breeds during summer rainy season; females carry up to 5,000 eggs (Ref. 7248).

Main reference Upload your references | References | Coordinator | Collaborators

Gosse, J.-P., 1984. Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
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Ecology
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Common names
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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00909 - 0.02638), b=2.80 (2.65 - 2.95), based on LWR estimates for species & Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.40 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.16).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100) .
Price category (Ref. 80766):   Unknown.