Polycentrus schomburgkii, Guyana leaffish : fisheries, aquarium

Polycentrus schomburgkii Müller & Troschel, 1849

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

Teleostei (teleosts) > Ovalentaria/misc (Various families in series Ovalentaria) > Polycentridae (Leaffishes)
Etymology: Polycentrus: Greek, poly = a lot of + Greek, kentron = sting (Ref. 45335).
Eponymy: Sir Robert Hermann Schomburgk (1804–1865) was a German businessman who was asked to supervise transporting Saxon sheep to Virginia, USA (1828), where he stayed. [...] (Ref. 128868), visit book page.
More on authors: Müller & Troschel.

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

Freshwater; brackish; benthopelagic; pH range: 6.0 - 7.0; dH range: 18 - 20. Tropical; 22°C - 26°C (Ref. 13371)

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

South America: Trinidad (W.I.), and Atlantic coastal rivers of Venezuela, Guyana, Suriname, French Guiana and Brazil (state of Amapá).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm SL male/unsexed; (Ref. 50082)

Biology     Glossary (e.g. epibenthic)

Inhabits clear and turbid water, often brackish water (Ref. 11225). Feeds on worms, insects and fish (Ref. 7020).

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

Produces up to 600 eggs.

Main reference Upload your references | References | Coordinator | Collaborators

Britz, R. and S.O. Kullander, 2002. Polycentridae (Leaffishes). p. 603-604. 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. 50082)

IUCN Red List Status (Ref. 130435: Version 2025-2)

  Least Concern (LC) ; Date assessed: 04 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial; aquarium: commercial
FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
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Predators
Ecology
Ecology
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Length-weight rel.
Length-length rel.
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Maturity/Gills rel.
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References

Tools

Bio-Quiz | E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |