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Alestes macrophthalmus  Günther, 1867

Torpedo robber
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Alestes macrophthalmus
Picture by Mertens, P.


Zambia country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the Bangweulu-Chambeshi area; present in Kasanka National Park (Ref. 95585). Present in the Lake Bangweulu region (Ref. 42135, 85675) and in Lake Tanganyika (Ref. 1872, 36901).
National Checklist:
Country Information: https://www.cia.gov/cia/publications/factbook/geos/za.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Van Steenberge, M., E. Vreven and J. Snoeks, 2014
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Alestidae (African tetras)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 60.0 cm SL male/unsexed; (Ref. 2880)

Environment

Freshwater; pelagic

Climate / Range

Tropical

Distribution

Africa: Congo River basin: present in Middle and Upper Congo River basin (Ref. 45616, 80290) and in lakes Upemba, Mweru and Bangweulu (Ref. 80290). Lower Guinea: found in coastal River basins in Cameroon, Gabon and the Republic of Congo (Ref. 80290). Also reported from Lake Tanganyika, Malagarazi River (Ref. 36901) and Rusizi River (Ref. 98755).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 10-11; Anal spines: 0; Anal soft rays: 19 - 23. Diagnosis: very well developed adipose eyelid (Ref. 42019, 80290, 81279); 18-20 branched anal-fin rays (Ref. 2880, 42019, 80290, 81279). 16-20 branched rays in Tanganyika specimens (Ref. 36899, 45485). 17-22 gill rakers on lower limb of first gill arch; dorsal-fin origin at about same level of pelvic-fin insertions (Ref. 2880, 80290, 81279). Sexual dimorphism affecting shape of anal fin (Ref. 80290, 81279).

Biology     Glossary (e.g. epibenthic)

Omnivore; remnants of insect larvae (Ref. 36901), weed, beetles and other insects (Ref. 42135) and fish (Ref. 36899) found in stomach. Juveniles predominantly insectivore, piscivore as adults (Ref. 85675).

IUCN Red List Status (Ref. 90363)

Threat to humans

  Harmless



Human uses

Fisheries: commercial

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
2.0   ±0.00 se; Based on food items.

Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Vulnerability (Ref. 59153)
Low to moderate vulnerability (25 of 100)
Price category (Ref. 80766)
Unknown