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Scientific Name Lithodoras dorsalis  (Valenciennes, 1840)
Common Name Rock-bacu
Type Locality America [Brazil] and ?Cayenne, French Guiana.
Synonym(s) Doras dorsalis, Doras papillionatus, Megalodoras pauciquamatus
Etymology Lithodoras: From the Greek lithos, meaning rock, and doras, meaning skin (also a word commonly used in forming generic names for doradids); in reference to the heavily-armored body. 
Hop to next section Species Information
Size 1000mm or 39.4" SL. Find near, nearer or same sized spp.
Identification Body elongated, without scales, almost covered with bony plaque, ventrally flattened in adults. Terminal mouth has three pairs of barbels. Lower jaw is shorter than the upper jaw. Eyes small.
General Remarks The size given is based on a dried specimen the author encountered in South America, the fish may well attain larger sizes.
Hop to next section Habitat Information
Distribution South America: Amazon River basin and estuary near Cayenne, French Guiana.
Amazon (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.
Hop to next section Husbandry Information
Feeding Feeds on fruits when the forests are flooded and on the blades of macrophytes. Acts as seed dispersal agent. User data.
Breeding Unreported. Reproduction occurs once a year and juveniles are often seen in large numbers in the estuary of the Amazon, in the region of Mario.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Histoire naturelle des poissons v. 15 pp284 .
Registered Keepers There is no registered keeper.
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There are 3 records of this fish being seen, view them all.
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Last Update 2020 Sep 24 04:23 (species record created: 2001 Apr 28 00:00)