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Characiformes (Characins) >
Stevardiidae (Stevardiids) > Landoniinae
Eponymy: Dr Edward Laurens Mark (1847–1946) was an anatomist and histologist who was head of Harvard University’s zoology department, where Eigenmann studied under him. [...] (Ref. 128868), visit book page.
Issue
See Eigenmann, 1918:123 for key.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; pH range: 6.5 - 8.0; dH range: 12 - 30. Tropical; 20°C - 26°C (Ref. 12468)
South America: Paraná, Paraguay, and Mamoré River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.9 cm SL male/unsexed; (Ref. 137577)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm. (Ref. 598)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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Internet sources