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Down arrow Cat-eLog Data Sheet
Scientific Name Ancistrus stigmaticus  Eigenmann & Eigenmann, 1889
Common Name Bristlenose Catfish
Type Locality São Matheos [= São Mateus], Goiás, Espirito Santo, 15°47'S, 50°07'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. This specific epithet refers to its spotted(stigma=marked or spotted) appearance.
Down arrow Species Information
Size 152mm or 6" 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 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.
Down arrow Habitat Information
Distribution South America: Upper Araguaia River basin in Brazil.
Amazon, Lower Amazon, Tocantins, Lower Tocantins, Araguaia, Upper Araguaia (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 Unreported.
Breeding Reports There is but a single breeding report, read it here.
Down arrow Further Information
Reference Proceedings of the California Academy of Sciences (Series 2) v. 2, pp 48.
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There are 8 registered keepers, view all "my cats" data.
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There are 3 records of this fish being seen, view them all.
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Last Update 2020 Dec 16 07:05 (species record created: 2008 Apr 21 06:40)