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Parancistrus aurantiacus (Castelnau, 1855)

 

Image contributors to this species:

Danny Blundell (1) Robin Warne (2) Ben Lee (2) Daniel Konn-Vetterlein (3) Johnny Jensen's Photographic Library (4) Marcel Leider (2) Malik King (1)

ScotCat Sources:

Etymology = Genus

Other Sources:

Search  Factsheet Wikipedia  Catalog of Fishes  Global Biodiversity Information Facility  FishNet2  iNaturalist

Relevant Information:

It was initially thought that the gold-yellow forms found in imports were males and they subsequently went for higher prices, but they tended to lose this colouration after a short  time in captivity. Description: Can be distinguished from P. nudiventris by having a plated abdomen (naked in P.nudiventris), uniformly dark or clear brown or mottled ( bluish spots in P. nudiventris ), shorter interbranchial distance (39-56% in HL vs. 24.9-39.5% in P. aurantiacus), wider interorbital distance (38.5-43.1% vs. 26.8-38% in HL in P. nudiventris) Parancistrus nudiventris also has buccal teeth more conspicuous than in P. aurantiacus. Main skeletal differences include the presence of a strong condyle on the lateral ethmoid for articulation with the metapterygoid in P. nudiventris (not seen in P. aurantiacus); anguloarticular processes short in P. nudiventris (long in P. aurantiacus); opercle with odontodes, partly exposed in P. nudiventris (completely embedded in skin in P. aurantiacus). This genera have a broad and flattened body with large scutes. The dorsal and adipose fin is connected with a membrane and they have very large gill openings. Aquarium Care: Only fairly territorial while youngsters prefer to rest under pieces of wood and on to rockwork. Adults rest on the substrate in hiding places. Sexual Differences: Males posses a broader head and more strongly bristled pectoral spines. The bristles on the posterior of the males scutes are elongated when sexually mature. Diet: Omnivore. A varied diet with both vegetable and other foods such as tablet, live and frozen.

Common Name:

Chubby pleco, Rubber pleco

Synonyms:

Hypostomus aurantiacus, Parancistrus nigricans, Hypostomus nigricans,  Parancistrus vicinus, Hypostomus vicinus

Family:

Loricariidae

Distribution:

Brazil: Pará, Rio Tocantins (Cametá-Marabá)

Size:

25cm. (10ins)

Temp:

26-30°c (79-87°f)

p.H.

6.0-7.2.

Reference:

All L-Numbers Datz Special. www.datze.de 
Seidel, I. 2008. Back to Nature guide to L-catfishes, Ettlingen, Germany 208 p



Back to Family page

Family: Loricariidae  Back to Ident-A-Cat  Click on Thumbnails

Click for full imageParancistrus aurantiacus
Near normal aquarium colouration
Click for full imageParancistrus aurantiacus
Gold specimen beginning to change colour
Click for full imageParancistrus aurantiacus
Gold specimen before export
Click for full imageParancistrus aurantiacus
Gold specimen after some time in captivity
Click for full imageParancistrus aurantiacus
Gold specimen after some time in captivity
Click for full imageParancistrus aurantiacus
Light gold
Click for full imageParancistrus aurantiacus
Gold specimen after some time in captivity
Click for full imageParancistrus aurantiacus
Light specimen
Click for full imageParancistrus aurantiacus
Normal aquarium colouration
Click for full imageParancistrus aurantiacus
Normal aquarium colouration
Click for full imageParancistrus aurantiacus
Normal aquarium colouration showing the broad head
Click for full imageParancistrus aurantiacus
Mouth view-normal aquarium colouration
Click for full imageParancistrus aurantiacus
Click for full imageParancistrus aurantiacus
Click for full imageParancistrus aurantiacus

 

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