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Scientific Name Ernstichthys megistus  (Orcés V., 1961)
Common Name
Type Locality Small river off of the Río Chicherota, Río Bobonaza system, Province Pastaza, eastern Ecuador.
Synonym(s) Hoplomyzon megistus
Etymology Ernstichthys: Named after A Ernst, who established the chair of Natural History in the Universidade Central de Venezuela. 
Hop to next section Species Information
Size 67mm or 2.6" SL. Find near, nearer or same sized spp.
Hop to next section Habitat Information
Distribution South America: Bobonaza and Marañon River basins.
Amazon, Upper Amazon, Marañón (click on these areas to find other species found there)
Amazon, Upper Amazon, Marañón, Pastaza, Bobonaza (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Madeira, Madre de Dios (click on these areas to find other species found there)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2020.
pH 6.5 - 7.5
Temperature 21.0-24.0°C or 69.8-75.2°F (Show species within this range)
Other Parameters According to Dr Lujan, parameters at one catching locality were as follow: T°:23, 1 °C ; pH7,1 ; conductivity: 49.4 microsiemens/cm ; dissolved oxygen saturation: 70% ; dissolved oxygen 6,0 mg/ml; turbidity 313
Hop to next section Husbandry Information
Feeding Live or frozen food should be given such as blood worms or Artemia, both being well accepted. User data.
Furniture A strong current with cobble-pebble substrates embedded in silt or fine sand.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Ciencia y Naturaleza (Quito) v. 4 (no. 1), pp 3, Figs. 1-2.
Registered Keepers There is no registered keeper.
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There is but a single record of this fish being seen, view it.
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Last Update 2020 Nov 08 04:55 (species record created: 2002 Nov 11 00:00)