Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow Dekeyseria

Jump to next section Cat-eLog Data Sheet
Scientific Name Dekeyseria brachyura  (Kner, 1854)
Common Names L168, Butterfly Pleco
Brazil Butterfly-Pleco (Germany), Flounder Pleco
Type Locality Brazil: Barra do Rio Negro
Synonym(s) Ancistrus brachyurus, Peckoltia brachyura, Zonancistrus brachyurus
Pronunciation dee key SEAR ee ah - brak ee oo rah
Article - Shane's World Species Partial translation of Kner's "Die Hypostomiden. Zweite Hauptgruppe der Familie der Panzerfische"
Jump to next section Species Information
Size 140mm or 5.5" SL. Find near, nearer or same sized spp.
Identification This catfish is a master of disguise. It can change colouration, chameleon-style, quickly. If kept on a black or very dark substrate is will go almost black. Kept on a lighter substrate it will show a pretty striped pattern during the day. Another reason for misidentification of this fish is that its night-time colouration is totally different from that it has during the day.

Similar to L052 but in D. brachyura the stripes are more clearly separated. The ground colour of D. brachyura is more orange when you compare them directly.

This species can be found in many hobbyist books under its old name of Peckoltia pulcher. More recently it was moved by Isbrucker et al into their new flounder pleco genus Zonancistrus. However, prevailing scientific usage appears to be with the use of Dekeyseria. Given they were described from the same river system and also given the fishes ability to change its appearance, it is quite possible that D. pulcher is not a distinct species and is actually a junior synonym of D. brachyura. The specific name also sometime appears incorrectly as brachurus.
Sexing Mature males have substantial odontodes both on the thick pectoral ray and the posterior part of the body. The male also have a broader head than the female.
Jump to next section Habitat Information
Distribution Brazil: Rio Negro. L168 was collected in the Rio Demini (Negro Basin).
Amazon, Middle Amazon (Solimoes), Negro (click on these areas to find other species found there)

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pH 5.6 - 7.0
Temperature 25.0-28.0°C or 77-82.4°F (Show species within this range)
Other Parameters Well oxygenated but not too cool water is also advantageous.
Jump to next section Husbandry Information
Feeding An algae eater that will require a constant vegetable foods along with the usual pleco fare.
Furniture Flat, rounded rocks and pieces of wood. Plants are not necessary but are generally left unmolested especially if the fish is being fed properly.
Compatibility Peaceful, doesn't appear overly territorial with its own kind.
Breeding Has been bred in captivity. Male guards eggs in a cave in conventional loricariid fashion.
Breeding Reports There are 3 breeding reports, read them all here.
Jump to next section Further Information
References Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 7, pp 279, Pl. 4 (fig. 1)
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There are 35 records of this fish being seen, view them all.
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Last Update 2014 Feb 09 09:01 (species record created: 2001 Oct 22 00:00)