All FishesLoricariidaeHypostominaePseudacanthicus

Hop to next section All Fishes Data Sheet
Scientific NamePseudacanthicus cf. leopardus  Fowler, 1914
Common NamesLDA007, Leopard Cactus Pleco
L114, Demini Leopard Cactus Pleco, Leopard Kaktussugemalle (Denmark)
PronunciationSUE dah KAN thi cuss - leo parr duss
EtymologyPseud- Greek: False, Acanthicus - Greek: Spiny, Thorny. Literally "False Acanthicus" referring to this genus being similar to, yet different from, Acanthicus. This specific epithet literally means leopard (leopardus=leopard) and refers to its numerous spots.
Hop to next section Species Information
Size 240mm or 9.4" SL. Find near, nearer or same sized spp.
IdentificationA few colour forms exist, these are separate from L24 and L25 however. Some fish are more camel coloured than the more dark brown base colour. Additionally the reddish / orange colouration in the caudal fin varies with age as well as amongst individuals.
SexingMature males have considerably more odontodal growth on most fins rays but the pectorals are most adorned. Females fill out quite considerably in relation to the slender males.
Hop to next section Habitat Information
DistributionThe majority of specimens that enter the aquarium trade originate from the Rio Demini in the Rio Negro drainage, Brazil.
Amazon, Middle Amazon (Solimoes), Negro (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Negro, Demini (click on these areas to find other species found there)
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pH5.6 - 7.0
Temperature24.0-28.0°C or 75.2-82.4°F (Show species within this range)
Other ParametersA black water fish, best kept in slightly acidic, softer water.
Hop to next section Husbandry Information
FeedingCarnivore although not a predator, prawns and chopped mussel appear favourites and promote favourable growth. Some vegetable should also be provided and thus balances diet.
FurniturePrefers a dimmer tank and requires a suitable sized cave.
CompatibilityGenerally peaceful but territorial from a young age. Some large specimens are aggressively territorial and may cause problems if housed with other large nocturnal fish.
Suggested TankmatesThe temptation with large tough Loricariids is to keep them with large, tough other fish such as Oscars or other brutish characters. This actually works quite well with most omnivorous or mainly vegetarian plecos. Pseudacanthicus however are big messy carnivores, but, like all large plecos, produce vast amounts of waste and as such would require monumental filtration to house alongside non-catfish ''equals''. It is better to think of these catfish as the centrepiece fish and stock their aquarium with medium sized (preferably omnivorous) fish. All sizes of barbs work surprisingly well.
BreedingHas been bred in the aquarium, the fish are sexually mature at about 170mm SL, see Shane's World article.
Hop to next section Further Information
ReferencesProc. Acad. Nat. Sci. Phila.v. 66 - pp271 - Fig. 17
Aqualog matched DATZ and shows a nice range of juvenile, sub-adult and adult photos.
Registered Keepers(1) Martin Stuchlik (k: 10), who also notes: "Wild caught fish".

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Breeding ReportsNone.
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Last Update2018 Jul 08 01:57 (species record created: 2001 May 05 00:00)