/siluriformes/loricariidae/ancistrus/gymnorhynchus/1.jpg "Ancistrus gymnorhynchus")
/siluriformes/loricariidae/ancistrus/gymnorhynchus/2.jpg "Ancistrus gymnorhynchus")
Dorsal view
 Cat-eLog Data Sheet | |
|---|---|
| Scientific Name | Ancistrus gymnorhynchus Kner, 1854 |
| Common Name | Bristlenose Catfish |
| Type Locality | Puerto Cabello, Venezuela. |
| Synonym(s) | Ancistrus rothschildi, Ancistrus rothschildi, Hypostomus karstenii, Lasiancistrus nationi, Xenocara gymnorhynchus, Xenocara rothschildi |
| Pronunciation | an SISS truss - jim no rin kuss |
| 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 literally means naked (gymnos=naked) snout (rhynkus=snout) and refers to the reduced number of tentacles on its snout compared to other Ancistrus species. |
| Species Information | |
| Size | 135mm or 5.3" 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. |
| Habitat Information | |
| Distribution | South America: Venezuela: Coastal rivers of Falcón, Lara, Carabobo and Yaracuy states and upper Pao River drainage in the Orinoco River basin. Orinoco, Middle Orinoco, Apure, Portuguesa, Pao, Upper Pao (click on these areas to find other species found there) Venezuela Caribbean Waters (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 2020. |
| Temperature | 24.0-27.0°C or 75.2-80.6°F (Show species within this range) |
| 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. User data. |
| 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. |
| Further Information | |
| Reference | Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 7, pp 275 [25]. |
| Registered Keepers | There are 4 registered keepers, view all "my cats" data. |
| Wishlists | Love this species? Click the heart to add it to your wish list. There is but a single wish to keep this species, see who wants what. |
| Spotters | Spotted this species somewhere? Click the binoculars! There are 3 records of this fish being seen, view them all. |
| Forum BBCode | |
| Search for A. gymnorhynchus | |
 | Look up A. gymnorhynchus on AquaticRepublic.com |
 | Look up A. gymnorhynchus on Fishbase |
 | Look up A. gymnorhynchus on Encyclopedia of Life |
 | Look up A. gymnorhynchus on Global Biodiversity Information Facility |
| LFS label creator ARN ref:1.4.4.1810 | |
| Last Update | 2025 Jan 07 13:09 (species record created: 2006 Feb 12 00:00) |