Cat-eLog Right Arrow Cetopsidae Right Arrow Cetopsinae Right Arrow Denticetopsis

Jump to next section Cat-eLog Data Sheet
Scientific Name Denticetopsis seducta  Vari, Ferraris & de Pinna, 2005
Common Name Red Dwarf Whale Catfish
Type Locality Caño ?Sabalito?, small creek on terra firma approximately 40 km S of Iquitos, Loreto, Peru.
Pronunciation den tee sea top siss - sed uck tah
Etymology The specific epithet comes from the Latin seducta, meaning remote or apart, in reference to the disjunct distribution of this species relative to congeners.
Articles
Article - CotM 2006 December
Jump to next section Species Information
Size 51mm or 2" SL. Find near, nearer or same sized spp.
Identification Appears most similar to D. praecox but the fish pictured here is from south eastern Peru, nowhere near the Rio Negro Basin and the locality from which the former species was described.



Distinguished from congeners in having a combination of the following characters: lack of elongate, symphyseal teeth on the dentary, a reduced lateral line extending posteriorly onto at least the caudal peduncle, presence of teeth on vomer, dorsal fin with 5 or 6 segmented rays and with first ray spinous basally, symmetrical, shallowly-forked caudal fin, possession of horizontally-elongate, dark, stellate chromatophores on body, origin of anal-fin anterior of vertical through middle of TL, caudal peduncle depth 1.33?1.5 times in its length, middle of orbit located at anterior 0.25-0.27 of HL, head width 0.61?0.70 times in head length, three rows of premaxillary teeth, caudal fin uniformly dark, heavily pigmented pectoral fin and 39-42 total vertebrae.
Sexing No distinct sexual dimorphism present
Jump to next section Habitat Information
Distribution Central and western portions of the Amazon River drainage
Amazon, Upper Amazon (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes) (click on these areas to find other species found there)

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pH 5.0 - 7.0
Temperature 22.0-27.0°C or 71.6-80.6°F (Show species within this range)
Jump to next section Husbandry Information
Feeding Readily feeds on live/frozen foods. Will also take other prepared foods such as pellets readily.
Furniture Provide plenty of driftwood as hiding spaces.
Compatibility Fairly peaceful species suitable for a community tank. Should not be kept with very small fishes.
Breeding Unreported.
Breeding Reports There is no breeding report.
Jump to next section Further Information
References The neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyol. v. 3 (no. 2): 127-238.
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Last Update 2010 Jan 08 00:03 (species record created: 2003 Nov 29 00:00)