|Cat-eLog Data Sheet|
|Scientific Name||Tridensimilis brevis (Eigenmann & Eigenmann, 1889)|
|Common Name(s)||Dwarf Parasitic Catfish, Glass Candiru, Glass Parasitic Catfish|
|Etymology||Tridensimilis: From the Latin similis, meaning equal; this genus was named after its similarity to the trichomycterid genus Tridens (from the Greek tri, meaning three and dens, meaning teeth; in reference to the number of interopercular spines).|
|Size||28mm (1.1") SL. Find near, nearer or same sized spp.|
|Identification||Minute species of Catfish, usually actively swimming in the water column, at other times resting on plants or substrate. Tiny barbels visible on close examination (particularly when feeding). Body is remarkably transparent, the organs are enclosed in a silvery sac, although the stomach contents and other areas of the alimentary tract may be visible.
There are two dark pigment spots on the body, one in the humeral area, the other on the caudal peduncle (this spot actually appear to be made up of pigmented skeletal elements as opposed to epidermal pigment).
|Sexing||Unknown, although females may show ovaries through body wall when gravid.|
|Distribution||This particular specimen originated in a shipment of Corydoras pygmaeus from Peru. The genus would appear to be widely distributed across the Amazon region, into the Maracaibo basin of Venezuela.
Amazon (click on these areas to find other species found there) (Click the map-icon to show/hide map of species distribution)
|pH||5.6 - 7.6|
|Temperature||21.0-30.0°C or 69.8-86°F (Show others within this range)|
|Other Parameters||Large water changes not appreciated, very regular small changes optimal. Strong flow not required.|
|Feeding||Small Live Crustaceans, Worms, Insect Larvae taken eagerly. Dry food ignored. Incipient parasitism.|
|Furniture||Not important. Sand or bare base probably best.|
|Compatibility||Complex and variable. No problems with small characins, but there is some evidence that they are opportunistically lepidophagous on slightly larger fish under some circumstances. It has been observed that they will attack large ultra peaceful fish e.g. Doradids. There are no intraspecific compatibility problems observed, a larger group needs to be assembled to gather more information.|
|Registered Keepers||(1) Brooklamprey (k: 20), who also notes: "These fish have been observed feeding on Beefheart flake food.", (2) amiidae, (3) Junttis.
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- CotM 2010 September
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|Last Update||2010 Oct 02 04:36 (species record created: 2002 Jan 07 00:00)|