All Fishes ⇒ Loricariidae ⇒ Hypostominae ⇒ Ancistrus  |  | 

  • Ancistrus leoniLive coloration, side view
  • Ancistrus leoniLive coloration, dorsal view
  • Ancistrus leoniHolotype, side view
  • Ancistrus leoniHolotype, dorsal view
  • Ancistrus leoniHolotype, ventral view
Hop to next section All Fishes Data Sheet
Scientific Name Ancistrus leoni  de Souza, Taphorn & Armbruster, 2019
Common Name
Type Locality Río Negro, in rapids about 1 km south (downstream) of the mouth of the Casiquiare, Atabapo District, Amazonas State, Venezuela, 1.987611°, -67.120250°.
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. 
Hop to next section Species Information
Identification Mature males and sometimes females have soft tentacles (bushy fleshy growths) on the snout - this is unique to the genus Ancistrus.
Sexing Males develop soft tentacles on the head and while sometimes females also do, it is never to the grand extent of those found on that of the conspecific male.
Hop to next section Habitat Information
Distribution
Amazon, Middle Amazon (Solimoes), Negro, Upper Negro (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 2020.
Hop to next section 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 All Ancistrus species are cave-breeders, where the male looks after the eggs and young fry.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Zootaxa 4552, pp 20, Figs. 11-12.
Registered Keepers There is no registered keeper.
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There is no record of this fish being seen.
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Ancistrus leoni QR code LFS label creator
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Last Update 2019 Aug 08 07:29 (species record created: 2019 Feb 07 12:37)