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

Jump to next section Cat-eLog Data Sheet
Scientific NameDenticetopsis seducta  Vari, Ferraris & de Pinna, 2005
Common NameRed Dwarf Whale Catfish
Type LocalityCaño ?Sabalito?, small creek on terra firma approximately 40 km S of Iquitos, Loreto, Peru.
Pronunciationden tee sea top siss - sed uck tah
EtymologyThe specific epithet comes from the Latin seducta, meaning remote or apart, in reference to the disjunct distribution of this species relative to congeners.
Jump to next section Species Information
Size 51mm or 2" SL. Find near, nearer or same sized spp.
IdentificationAppears 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.
SexingNo distinct sexual dimorphism present
Jump to next section Habitat Information
DistributionCentral 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)
Show it on a map (Click the map-icon to show/hide map of species distribution)
pH5.0 - 7.0
Temperature22.0-27.0°C or 71.6-80.6°F (Show species within this range)
Jump to next section Husbandry Information
FeedingReadily feeds on live/frozen foods. Will also take other prepared foods such as pellets readily.
FurnitureProvide plenty of driftwood as hiding spaces.
CompatibilityFairly peaceful species suitable for a community tank. Should not be kept with very small fishes.
Jump to next section Further Information
ReferencesThe neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyol. v. 3 (no. 2): 127-238.
Registered Keepers(1) Silurus, (2) kruseman, (3) KungFish (k: 4), who also notes: "Shy, but will sometimes come out and do a couple laps around the tank before going back to their hiding spot. They can be really fast when they want to :O", (4) dmcat (p: 2, k: 4).

Click on a username above to see all that persons registered catfish species. You can also view all "my cats" data for this species.
Breeding ReportsNone.
Article - CotM 2006 December
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Last Update2010 Jan 08 00:03 (species record created: 2003 Nov 29 00:00)