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Scientific Name Tenellus trimaculatus  (Boulenger, 1898)
Common Names Three Spot Mouse Catfish
Treplettet Musemalle (Denmark)
Type Locality Rio Juruá, Brazil.
Synonym(s) Leptodoras trimaculatus, Nemadoras trimaculatus, Opsodoras ogilviev, Opsodoras trimacualtus, Oxydoras trimaculatus
Etymology Tenellus comes from the Latin tener, meaning delicate, in reference to the delicate appearance of those dorads. 
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Size 108mm or 4.3" SL. Find near, nearer or same sized spp.
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Distribution South America: Amazon, Orinoco and Essequibo River basins.
Amazon (click on these areas to find other species found there)
Orinoco (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, Essequibo (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, Essequibo, Rupununi (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.
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Breeding Unreported.
Breeding Reports There is no breeding report.
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Reference Transactions of the Zoological Society of London v. 14 (pt 7, no. 2) pp422 Pl. 40 (fig. 1)
Registered Keepers There is no registered keeper.
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There are 2 records of this fish being seen, view them all.
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Last Update 2024 Mar 16 03:39 (species record created: 2006 Feb 20 00:00)