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  • Ancistrus maximus
Down arrow Cat-eLog Data Sheet
Scientific Name Ancistrus maximus  de Oliveira, Zuanon, Zawadzki & Rapp Py-Daniel, 2015
Common Names L110, Red Spot Bristlenose
L157
Type Locality Roraima, Rorainópolis, Macoari stream, tributary to right side of rio Branco, 1°09'12.1"S, 61°50'40.8"W, 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. 
Down arrow Species Information
Size 200mm or 7.9" 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 Males have head tentacles, females do not.
General Remarks See also L110 - DATZ 9/1992 p553.
Down arrow Habitat Information
Distribution Brazil: Rio Amazonas, middle Rio Negro drainage
Amazon, Middle Amazon (Solimoes), Negro, Middle Negro (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes), Negro, Lower Negro, Branco (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
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 All Ancistrus species are cave-breeders, where the male looks after the eggs and young fry.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Ichthyological Exploration of Freshwaters v. 26 (no. 1), pp 76, Figs. 1-2, 4.
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Last Update 2019 Oct 26 06:36 (species record created: 2001 Apr 28 00:00)