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Malapterurus electricus (Gmelin, 1789)
ELECTRIC CATFISH
Life   Vertebrata   Fish   Malapteruridae   Malapterurus


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Malapterurus electricus, Electric catfish : fisheries, gamefish
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Malapterurus electricus ( Gmelin , 1789 )

Electric catfish Upload your photos  and  videos
Pictures | Stamps, Coins Misc. | Google image Image of Malapterurus electricus (Electric catfish) Malapterurus electricus
Picture by Nightingale, A.

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

Teleostei (teleosts) > Siluriformes (Catfishes) > Malapteruridae (Electric catfishes)
Etymology: Malapterurus: Greek, mala = a lot of + Greek, pteron = fin + Greek, oura = tail (Ref. 45335 ) ;   electricus: The electric discharging capacity of this electric catfish is described by the specific epithet (Ref. 44050 ) .
More on author: Gmelin .

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

Freshwater; benthopelagic; pH range: 7.0 - 8.0; dH range: ? - 20; potamodromous (Ref. 51243 ). Tropical; 23°C - 30°C (Ref. 1672 ); 35°N - 30°S

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

Africa: typical Sudanian distribution; in much of the Nile system (exclusive of Lake Victoria), Lake Turkana, Lake Chad and Senegal basins, throughout the Niger system and smaller southward flowing basins in west Africa, from Bandama through Volta rivers in Ivory Coast and Ghana (Ref. 44050 ). Absent from Congo basin; reports from Congo basin refer to any of the other species in this system (see Ref. 44050 for details).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 122 cm SL male/unsexed; (Ref. 3850 ); max. published weight: 20.0 kg (Ref. 3799 ); max. reported age: 10 years (Ref. 7248 )

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines : 0; Anal soft rays : 9 - 11; Vertebrae : 38 - 41. Diagnosis: tooth patches narrow; pectoral fin placed near body mid-depth; 7-8 branched caudal fin rays (Ref. 44050 ). 9-11 anal-fin rays, usually 10-11; 38-41 total vertebrae, usually 39-41 (Ref. 57130 ). Caudal saddle and bar pattern not present in adults (Ref. 57130 ), poorly developed in all ages (Ref. 44050 ). Flank and dorsum in adults and young marked with large blotches (some up to 4-5 times eye diameter); caudal fin of adults generally same color as flank ground color or slightly darker, larger specimens usually with spots or blotches in caudal fin (Ref. 44050 , 57130 ).

Biology     Glossary (e.g. epibenthic)

Occur among rocks or roots. Favors sluggish or standing water. Active at night, feeding mainly on fish stunned by electric shocks. Described as a nocturnal piscivore that breeds during periods of high water; rarely feeds on molluscs (Ref. 44050 ). The electric organ, capable of discharging 300-400 V, is derived from pectoral muscle and surrounds almost the entire body. It is used both for prey capture and defense. Electric organ discharge (EOD) is intermittent and the amplitude increases with size of the fish (Ref. 10011 ). Responds immediately to cyclic light changes, exhibiting maximum EOD activity shortly after sunset and lowest activity just after sunrise (Ref. 10798 ). Its EOD duration decreased from 1.5 to 0.3 ms in response to increased temperature from 15 to 30°C (Ref. 10838 ). Adults form pairs and breed in excavated cavities or holes (Ref. 7248 ). Maximum size in Lake Chad reported as 1125mm SL, but most museum specimens much smaller (maximum 400mm SL, Nile River)(Ref. 57130 ).

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

It is assumed that the male tends the clutch. Others report that the male takes the eggs into his mouth. It is also unknown how the fry is immune to the electric shocks by the parents (Ref. 1672 ).

Main reference Upload your references | References | Coordinator | Collaborators

Roberts, T.R. , 2000. A review of the African electric catfish family Malapteruridae, with descriptions of new species. Occas. Pap. Ichthyol. 1:1-15. (Ref. 34006 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 21 October 2019

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

Other (Ref. 4967 )





Human uses

Fisheries: subsistence fisheries; gamefish: yes FAO - Publication: search | FishSource |

More information

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Common names
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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Alien/Invasive Species database | 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=0.01122 (0.00793 - 0.01588), b=2.96 (2.86 - 3.06), in cm total length, based on LWR estimates for this species (Ref. 93245 ). Trophic level (Ref. 69278 ):  2.9   ±0.38 se; based on food items. Resilience (Ref. 120179 ):  Low, minimum population doubling time 4.5 - 14 years (tmax=10; Fec < 1,000). Fishing Vulnerability (Ref. 59153 ):  Very high vulnerability (89 of 100). Price category (Ref. 80766 ):   Unknown . Nutrients (Ref. 124155 ):  Calcium = 48.9 [27.2, 92.2] mg/100g; Iron = 1.14 [0.65, 2.02] mg/100g; Protein = 16.4 [15.2, 17.6] %; Omega3 = 0.382 [0.141, 1.050] g/100g; Selenium = 119 [46, 264] μg/100g; VitaminA = 34.3 [11.4, 99.9] μg/100g; Zinc = 1.24 [0.82, 1.79] mg/100g (wet weight);

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Updated: 2024-04-17 18:40:34 gmt
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