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Down arrow Cat-eLog Data Sheet
Scientific Name Leiarius perruno  (Schultz, 1944)
Common Names Perruno Catfish
Leopard-Antennenwels (Germany)
Type Locality Río Negro, below River Yasa mouth, about 75 kilometers south of Rosario, western side of Lake Maracaibo, Venezuela.
Synonym(s) Perrunichthys perruno
Pronunciation per oo no
Etymology The genus name is derived from Leios, meaning smooth and Arius which is a Greek for "dealing with Mars, warlike, belliose". It's the name of another catfish genus, so the combination is "smooth Arius". This specific epithet literally means canine(perruno=canine). The full name of this species is dogfish, dog presumably in reference to its unfussy and gregarious eating habits.
Down arrow Species Information
Size 620mm or 24.4" SL. Find near, nearer or same sized spp.
Identification Often confused with Leiarius marmoratus which is much more commonly encountered by aquarists. The fishes are identical in terms of colouration although P. perruno has 8 (1 hard and 7 soft) dorsal fin rays, Leiarius has 10 or 11.
Sexing Unknown
Down arrow Habitat Information
Distribution South America: Lake Maracaibo basin.
Lake Maracaibo (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Temperature 22.0-26.0°C or 71.6-78.8°F (Show species within this range)
Down arrow Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Proceedings of the United States National Museum v. 94 (no. 3172), pp 230, Pl. 3 (fig. B); Fig. 3.
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Last Update 2019 Sep 22 06:32 (species record created: 2006 Dec 24 11:44)