You are here
Mormyridae
Mormyrus longirostris Peters, 1852
EOL Text
75.0 cm SL (male/unsexed; (Ref. 52193)); max. published weight: 10,000 g (Ref. 52193)
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Susan M. Luna, FishBase |
Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=5386 |
Diagnosis: dorsal fin greater than twice the length of anal fin; dorsal origin nearer tip of snout than caudal fin base; snout 2-2.5 times in head length; caudal peduncle less than 4 times in standard length (Ref. 52193).Description: forebody and head relatively strongly decurved; females smaller and deeper bodied than males; teeth small, bicuspid, 57 in upper jaw, 812 in lower jaw; gill slits inclined on sides only (Ref. 52193).Coloration: olive grey or brown above, lighter below (Ref. 52193).
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Armi G. Torres, FishBase |
Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=5386 |
Habitat and Ecology
Systems
- Freshwater
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
Source | http://www.iucnredlist.org/apps/redlist/details/182025 |
demersal; potamodromous; freshwater
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Susan M. Luna, FishBase |
Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=5386 |
Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Susan M. Luna, FishBase |
Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=5386 |
Found in caves and muddy areas, also hides among weeds. Forms shoal (Ref. 13337). Feeds on insects and weeds but may also feed on small fishes (Ref. 5595), blood worms, small crustaceans and molluscs (Ref. 13337).
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Drina Sta. Iglesia, FishBase |
Source | No source database. |
Mormyrus longirostris (Mormyrus longirostris (mormyrid fish)) preys on:
Insecta
Diptera
Based on studies in:
Africa, Lake McIlwaine (Lake or pond)
This list may not be complete but is based on published studies.
- B. E. Marshall, The fish of Lake McIlwaine. In Lake McIlwaine: the eutrophication and recovery of a tropical man-made lake (J. A. Thornton, Ed.) Vol 49 Monographia Biologicae, D. W. Junk Publishers, The Hague, pp. 156-188, from p. 180 (1982).
License | http://creativecommons.org/licenses/by/3.0/ |
Rights holder/Author | Cynthia Sims Parr, Joel Sachs, SPIRE |
Source | http://spire.umbc.edu/fwc/ |
Afrolernaea Infestation. Parasitic infestations (protozoa, worms, etc.)
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Allan Palacio, FishBase |
Source | http://www.fishbase.org/Diseases/diseasesList.cfm?ID=5386&StockCode=5645 |
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 3
Species With Barcodes: 1
Red List Criteria
Year Assessed
Assessor/s
Reviewer/s
Contributor/s
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
Source | http://www.iucnredlist.org/apps/redlist/details/182025 |