Cat-eLog Right Arrow Loricariidae Right Arrow Hypostominae Right Arrow Pseudacanthicus

Jump to next section Cat-eLog Data Sheet
Scientific Name Pseudacanthicus pirarara  Chamon & Sousa, 2016
Common Names L025, Scarlet Cactus Pleco
Rødfinnet Kaktussugemalle (Denmark)
Type Locality Rio Xingu, Senador José Porfírio, Pedral do Caitucá, 3∘ 34′ 24'' S; 51∘ 51′ 33'' W.
Pronunciation SUE dah KAN thi cuss
Etymology Pseud- Greek: False, Acanthicus - Greek: Spiny, Thorny. Literally "False Acanthicus" referring to this genus being similar to, yet different from, Acanthicus. The specific epithet is derived from local fishermen's common name for this species, the "assacu-pirarara:" Pirarara refers to the species' reddish fins (this is also the Brazilian common name the red tail catfish, Phractocephalus hemioliopterus); "Assacu" is a common name for the Amazon tree Hura crepitans, which has bark covered with conical spines.
Articles
Article - Shane's World Reproduction Spawning Pseudacanthicus sp. L025, the scarlet cactus pleco
Jump to next section Species Information
Size 450mm or 17.7" SL. Find near, nearer or same sized spp.
Identification Similar to L024 but with considerably more red colour in the fins and more pronounced black spots. The eyes of L025 are different and give the fish a hooded almost ''evil'' look. Large, monstrously impressive (16''+), individuals have been imported.
Sexing Mature 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.
Jump to next section Habitat Information
Distribution Lower and Middle Rio Xingu, and its tributaries, the Rio Bacajá and Rio Iriri.
Amazon, Lower Amazon, Xingu, Lower Xingu (click on these areas to find other species found there)
Amazon, Lower Amazon, Xingu, Middle Xingu (click on these areas to find other species found there)
pH 6.0 - 7.4
Temperature 24.0-26.0°C or 75.2-78.8°F (Show species within this range)
Other Parameters Water quality is important for this fish, clear, well-oxygenated especially because of the warmer water this fish prefers.
Jump to next section Husbandry Information
Feeding Carnivore although not a predator, prawns and chopped mussel appear favourites and promote favourable growth. Some vegetable should also be provided and thus balances diet.
Furniture A potentially large pleco that will need robust decoration in the tank. Fairly reclusive and will need cover to hide in. Care must be taken that no other inhabitants of the aquarium attempt to dispute ownership of this cover. This fish will fight for the territory and, with its array of spines and hooks, can cause serious damage.
Compatibility aggressively territorial and may cause problems if housed with similar sized nocturnal fish.
Suggested Tankmates The 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 centerpiece fish and stock their aquarium with medium sized (preferably omnivorous) fish. All sizes of barbs work surprisingly well.
Breeding Unknown but almost certainly a cave or pipe spawner.
Breeding Reports There are 2 breeding reports, read them all here.
Jump to next section Further Information
References Journal of Fish Biology, pp 2, Figs. 1-2.
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Last Update 2017 Mar 12 12:34 (species record created: 2001 May 05 00:00)