- Lophiosilurus alexandri
Taxobox
name = "Lophiosilurus alexandri"
regnum =Animal ia
phylum = Chordata
classis =Actinopterygii
ordo = Siluriformes
familia =Pseudopimelodidae
genus = "Lophiosilurus"
genus_authority = Steindachner, 1876
species = "L. alexandri"
binomial = "Lophiosilurus alexandri"
binomial_authority = Steindachner, 1876
synonyms =
*"Lophiosilurus agassizi"
Steindachner, 1880"Lophiosilurus alexandri" is a
species ofcatfish (order Siluriformes) of the familyPseudopimelodidae , and the only species of themonotypic genus "Lophiosilurus".Distribution and habitat
This fish originates from the
São Francisco River inBrazil .FishBase species|genus=Lophiosilurus|species=alexandri|year=2007|month=May] Here, it is commonly known as "pacamã".cite journal|url=http://www.scielo.br/pdf/rbzool/v24n1/28.pdf|title=Reproductive apparatus and gametogenesis of "Lophiosilurus alexandri" Steindachner (Pisces, Teleostei, Siluriformes)|first=Marcelo D. M.|last=Barros|coauthors=Guimarães-Cruz, Rodrigo J.; Veloso-Júnior, Vanderlei C.; Santos, José E. dos|journal=Revista Brasileira de Zoologia|volume=24|issue=1|pages=213–221|year=2007|format=PDF |doi=10.1590/S0101-81752007000100028] It prefers lentic habitats. This species has been introduced into theDoce River basin, but its effect on the native species has not been studied.Description and ecology
This fish reaches 72
centimetre s (28 in) TL and has a maximum published weight of 5,000gram s (11 lb). It has an extremely large mouth, earning it the name "Pac-Man catfish"."L. alexandri" is a sedentary species. This species has adhesive eggs and the male displays parental care.
"L. alexandri" represents an example of
parallel evolution , sharing a similar morphology and lifestyle to species of the distantly related "Chaca" catfish.Relationship to humans
"L. alexandri" has economic potential for
aquaculture ."L. alexandri" is a rarely imported
aquarium fish. These fish require a sandy substrate and should not be maintained with fish that it can eat (a fish less than half of its size).cite web|url=http://www.planetcatfish.com/catelog/species.php?species_id=907|title=PlanetCatfish::Cat-eLog::Pseudopimelodidae::Lophiosilurus alexandri|publisher=PlanetCatfish.com|date=2006-10-07|accessdate=2007-06-03]References
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