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  • Hypostomus margaritifer
Jump to next section Cat-eLog Data Sheet
Scientific Name Hypostomus margaritifer  (Regan, 1908)
Common Names Yellow Spotted Hypostomus
Gelbgepunkteter Hypostomus (Germany)
Type Locality Rio Piracicaba, San Paulo, Brazil.
Synonym(s) Hypostomus butantanis, Plecostomus margaritifer
Pronunciation hi POSS tow muss - mar gar IT if err
Etymology Greek, hypo = under + Greek, stoma = mouth. 
Article - CotM 1999 August
Jump to next section Species Information
Size 180mm or 7.1" SL. Find near, nearer or same sized spp.
Identification Very similar to H. regani from the same river. H. margaritifer is deeper bodied and generally more chunky.
Sexing Unknown although examination of the genital area in a group of large adults should show differences.
Jump to next section Habitat Information
Distribution São Paulo, Brazil
La Plata, Paraná, Upper Paraná (click on these areas to find other species found there)
La Plata, Paraná, Middle Paraná (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
pH 6.0 - 7.6
Temperature 24.0-27.0°C or 75.2-80.6°F (Show species within this range)
Other Parameters Slightly soft water is preferable.
Jump to next section Husbandry Information
Feeding Most greens are accepted (cucumber and courgette / zucchini seem favourite), but this fish loves to chew on dead fish and will accept most sinking foods once acclimatized.
Furniture Plants must be well rooted and protected by rock work to avoid accidental up-rooting. Rocks and Bogwood do well, especially large rounded rock. This fish is equally happy on sand or large pea-shaped substrate.
Compatibility As with most large Loricariids, this is a territorial but otherwise peaceful fish. It can be mixed with small fish more easily than other large catfish. Once an appropriate size, will withstand the rigours of an American Cichlid tank.
Suggested Tankmates Anything from tetras to large cichlids, preferably South American, but will mix with all sizes of community fish - be careful adding it with other large catfish that everyone has room to grow.
Breeding Unknown - a real challenge!
Breeding Reports There is no breeding report.
Jump to next section Further Information
Reference Proceedings of the Zoological Society of London 1907 (pt 4), pp 796, Pl. 47 (fig. 2).
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Last Update 2019 Sep 18 14:20 (species record created: 2002 Feb 25 00:00)