Cat-eLog Right Loricariidae Right Hypostominae Right Ancistrus

Down Cat-eLog Data Sheet
Scientific Name Ancistrus formoso  Sabino & Trajano, 1997
Common Name Blind Cave Bristlenose
Type Locality Buraco do Ducho cave, Serra da Bodoquena, Município de Bonito, 21°08'S, 56°28'W, Mato Grosso do Sul, Brazil.
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. Named for the Formoso phreatic (groundwater) system in Brazil where this species was found.
Down Species Information
Size 79mm or 3.1" 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.

The only species of naturally occurring Ancistrus totally devoid of pigmentation.
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.
General Remarks Discovered in 1992, collected in 1995, described in 1997.
Down Habitat Information
Distribution South America: Buraco do Ducho Cave in Formoso phreatic system, Brazil.
La Plata, Paraná, Paraguay, Upper Paraguay, Formoso (click on these areas to find other species found there)

Log in to view data on a map.
IUCN Red List Category Vulnerable, range map and more is available on the IUCN species page. Last assessed 2018.
Down 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.
Furniture Reacts negatively to light.
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 Further Information
Reference Revue française d'Aquariologie Herpétologie v. 24 (no. 3-4), pp 74, Figs. 3-4.
Registered Keepers Keeping this species? Why not .
There are 5 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 is no record of this fish being seen.
Forum BBCode
More on Ancistrus formoso
Look up Look up Ancistrus formoso on
Look up on Fishbase Look up Ancistrus formoso on Fishbase
Look up on Encyclopedia of Life Look up Ancistrus formoso on Encyclopedia of Life
Look up on Global Biodiversity Information Facility Look up Ancistrus formoso on Global Biodiversity Information Facility
 QR code LFS label creator.
Last Update 2020 Sep 19 05:11 (species record created: 2003 Aug 16 00:00)