|Cat-eLog Data Sheet|
|Scientific Name||Doras carinatus (Linnaeus, 1766)|
|Common Name||Sierra Catfish|
|Etymology||Uncertainty surrounds the origin of this genus name which means either "armour" or "dagger". The fishes in this group have both sharp fins (which can be called dagger-like) and armour. Species named for spines on midlateral scutes based on Linnaeus (1766:504) reference to Linea lateralis subserrata & carinata spinis, ut in Scombris. Evidently, the scutes in D. carinatus reminded Linnaeus of the longitudinal keels in Scombris, presumably Scomber scombrus Linnaeus 1758, the Atlantic mackerel.|
|Size||550mm or 21.7" SL. Find near, nearer or same sized spp.|
|Identification||Doras are distinguished among Doradidae by a unique combination of three characteristics exhibited by the postcleithral process.
Body elongated, without scales but with a range of 33-35 spiny bony plaque which runs along the length of the lateral, starting from the extreme end of the caudal fin up to the point directly below the origin of the dorsal fin. Head is pointed and laterally compressed, its width being far less than its length. Eyes are high and are situated in the posterior half of the head. Mouth is inferior, provided with a pair of maxillary barbels branching into 12 or 13 branches and 4 short mandibular barbels. Adipose fin short
|General Remarks||The Orinoco population (and thus that which is most currently likely to be encountered by aquarists) is the only one with specimens recorded over 30 cm SL. Can emit sounds by moving its pectoral spines. Every basic unit of sound emitted lasts for 60-70 millisecond, with a frequency of 60-90 Hertz corresponding to the reply frequency of the muscles utilized.|
|Distribution||South America: Essequibo River basin and other coastal drainages east to mouth of Amazon River, possibly in Amazon and lower Orinoco River basins.
Occurs in rivers draining the northern side of Guiana Shield in Brazil (Amapá State), French Guiana, Suriname, Guyana and Venezuela.
Guyana Waters, Coastal Rivers of Guyanas, Essequibo (click on these areas to find other species found there)
Amapa State Waters (click on these areas to find other species found there)
Guyana Waters (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, French Guyana Coastal Rivers (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, Suriname Coastal Rivers, Suriname (click on these areas to find other species found there)
Venezuela Caribbean Waters (click on these areas to find other species found there)
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|Furniture||In the Essequibo basin, Guyana, D. carinatus was collected in the main channels of medium to large rivers over substrates of sand or gravel and often in moderately clear water and swift currents associated with cataracts.|
|Breeding Reports||There is no breeding report.|
|References||Proceedings of the Academy of Natural Sciences of Philadelphia 157: 189-233.|
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There are 2 records of this fish being seen, view them all.
|More on Doras carinatus|
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|Last Update||2013 Jan 04 09:19 (species record created: 2006 Apr 19 00:00)|