PlanetCatfish.com - Rhamdia quelen (Heptapteridae) Cat-eLog

Collected in Rio Nanay, Peru
Close-up of head
Stamp
Rio Verde, Ponta Grossa

Cat-eLog Data Sheet
Scientific Name	**Rhamdia quelen** (Quoy & Gaimard, 1824)
Common Names	Silver Catfish Bagre (Central & South America), Bagre De Arroyo (Venezuelan), Barbilla (Peruvian), Barbudo (Peruvian), Canyon Catfish, Djaki Catfish, Jandia (Brazilian), Nhandia (Brazilian), Quelen-Antennenwels (Germany)
Type Locality	Cachoeira de Macacu, tributary of the Rio Soarinho, Rio Macacu drainage, Baía de Guanabara hydrographic basin, Rio de Janeiro State, Brazil, 22°38'6"S, 42°43'6"W.
Synonym(s)	Caecorhamdella urichi, Caecorhamdia urichi, Heterobranchus sextentaculatus, Pimelenotus vilsoni, Pimelodus baronismuelleri, Pimelodus bathyurus, Pimelodus boucardi, Pimelodus cinerascens, Pimelodus cuyabae, Pimelodus deppei, Pimelodus godmanni, Pimelodus hilarii, Pimelodus micropterus, Pimelodus musculus, Pimelodus namdia, Pimelodus parahybae, Pimelodus pentlandii, Pimelodus quelen, Pimelodus queleni, Pimelodus queleni cuprea, Pimelodus sapo, Pimelodus sebae, Pimelodus sellonis, Pimelodus stegelichii, Pimelodus wagneri, Pimelodus wuchereri, Rhamdia barbata, Rhamdia baronismuelleri, Rhamdia bransfordii, Rhamdia cinerascens, Rhamdia depressa, Rhamdia godmani, Rhamdia guatemalensis depressa, Rhamdia heteracantha, Rhamdia hilarii, Rhamdia lehmanni, Rhamdia microps, Rhamdia mounseyi, Rhamdia nasuta, Rhamdia pentlandi, Rhamdia pubescens, Rhamdia riojae, Rhamdia sayaensis, Rhamdia sebae, Rhamdia vilsoni, Rhamdia wagneri, Silurus rivularis
Pronunciation	ram dee ah - kwee (or KEY) lenn
Etymology	The name Rhamdia is apparently a misspelling of 'nhamdiâ', an orthographic variant of the Tupi-Guarani name for the fish, 'jandiá'. The species is named after the abbe Quelen, who accompanied Quoy and Gaimard on their travels.
Articles	- CotM 2005 March
Species Information
Size	350mm or 13.8" SL. Find near, nearer or same sized spp.
Identification	It is distinguished from congeners in having the following unique combination of characters: pectoral fin spine with serrae on both sides, caudal fin lobes subequal or with either lobe slightly longer, posterior nostril velum open posterolaterally, gill raker 5-16, post-Weberian vertebrae 36-44, eye medium sized.
Sexing	The genital papilla of males tends to be larger and more well developed.
Habitat Information
Distribution	Central and South America: Suriname and Argentina. Rio de Janeiro State Rivers (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2018.
pH	4.0 - 8.0
Temperature	18.0-28.0°C or 64.4-82.4°F (Show species within this range)
Other Parameters	Able to tolerate a wide range of water conditions.
Husbandry Information
Feeding	Not a fussy eater and will take all manner of prepared and live foods. Will eat smaller tankmates. User data.
Furniture	Some driftwood/rocks/pipes as hiding spaces.
Compatibility	Should only be housed with large, robust fish (large central American cichlids are ideal), as smaller tankmates will be eaten. Territorial and aggressive towards conspecifics.
Suggested Tankmates	Large, robust fish (such as central American cichlids).
Breeding	Not reported in aquarium, but bred for aquaculture as food fish. Non-adhesive demersal eggs (1.1 to 2.8 mm diameter) are laid down, hatching after about 48 hours at 22°C. Ten days later, the larvae weigh approximately 100 mg but growth is slow (0.5 to 1.15 g per day).
Breeding Reports	There is no breeding report.
Further Information
Reference	Voyage autour du monde, pp 228, Pl. 49 (figs. 3-4).
Registered Keepers	There are 6 registered keepers, view all "my cats" data.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There are 9 records of this fish being seen, view them all.
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	Look up R. quelen on Encyclopedia of Life
	Look up R. quelen on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.30.228.872
Last Update	2025 Jan 02 01:36 (species record created: 2002 May 23 00:00)