Overview

Comprehensive Description

Biology

Prefers the counter current zones and flood zones of creeks where the substrate is covered with leaves and alluvial deposits (Ref. 12225). Maximum length reported to reach 4 cm SL (Ref. 12225).
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Distribution

South America: Maroni, Mana, Approuague, and Oyapock rivers.
  • Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. … 2003 Genera Incertae Sedis in Characidae. p. 106-168. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38376)   http://www.fishbase.org/references/FBRefSummary.php?id=38376&speccode=10622 External link.
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Maroni, Mana, Approuague and Oyapak rivers, French Guiana.
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Physical Description

Size

Maximum size: 40 mm SL
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Max. size

3.5 cm SL (male/unsexed; (Ref. 38376))
  • Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. … 2003 Genera Incertae Sedis in Characidae. p. 106-168. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38376)   http://www.fishbase.org/references/FBRefSummary.php?id=38376&speccode=10622 External link.
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Type Information

Paratype for Hemigrammus guyanensis
Catalog Number: USNM 179756
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Gery
Year Collected: 1957
Locality: French Guiana: Maroni, Creek Toward Ga Kaba, French Guiana, South America
  • Paratype:
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 6.0 - 7.2; dH range: 18
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Life History and Behavior

Life Cycle

Spawns between plants.
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

aquaculture: likely future use
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