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Down arrow Cat-eLog Data Sheet
Scientific Name Ancistrus piriformis  Muller, 1989
Common Name Bristlenose Catfish
Type Locality Río Acaray, above the lake behind the dam, 25°23'S, 54°42'W, Alto Paraná, Paraguay.
Pronunciation an SISS truss
Etymology The name Ancistrus is derived from the Greek word agkistron, meaning hook, in reference to the interopercular odontodes that are hooked. This specific epithet refers to its pear-shaped body(-formis=body).
Down arrow Species Information
Size 83mm or 3.3" SL. Find near, nearer or same sized spp.
Identification Mature males and sometimes females have soft tentacles (bushy fleshy growths) on the snout - this is unique to the genus Ancistrus.
Sexing Typical for the genus with males possessing the so-called ''bushy nose''. Females also may have much smaller growths on the head but to a much lesser extent.
Down arrow Habitat Information
Distribution South America: Acaray River basin in middle Paraná River drainage, Paraguay. Reported from Argentina.
La Plata, Paran√°, Acaray (click on these areas to find other species found there)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2007.
Down arrow Husbandry Information
Feeding Ancistrus should be fed mainly on vegetarian foods. Prepared foods include algae wafers and spirulina based sinking food. Vegetables such as courgette/zucchini, and (English) cucumber are an excellent addition to the diet, along with the odd, small amount of more meaty foods.
Compatibility A good complement to most aquariums, they are not aggressive to other species. Males may fight over territory if kept in too small a tank.
Suggested Tankmates Appropriate with most community fish that aren't overly big or aggressive.
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Revue Suisse de Zoologie v. 96 (no. 4), pp 887, Fig. 1.
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Last Update 2020 Sep 23 13:04 (species record created: 2006 Dec 25 04:40)