Cat-eLog Right Arrow Loricariidae Right Arrow Loricariinae Right Arrow Hemiodontichthys

Down arrow Cat-eLog Data Sheet
Scientific Name Hemiodontichthys acipenserinus  (Kner, 1853)
Common Names Knobnose Whiptail Catfish
Pinocchio Catfish
Type Locality Rio Guaporé, Rondônia, Brazil.
Synonym(s) Hemiodon acipenserinus
Pronunciation HEMI oh daunt ICK thiss
Etymology (Greek)Hemi=half + (Greek)odous=tooth + (Greek)ichthys=fish. 
Down arrow Species Information
Size 134mm or 5.3" SL. Find near, nearer or same sized spp.
Sexing Mature males develop a huge labial veil and teeth with spoon-shaped crowns (versus pointed tooth crowns in females and juveniles).
General Remarks Unlike most Loricariidae, they don't have well developed odontodes on the snout and pectoral fins.
Down arrow Habitat Information
Distribution South America: Amazon, Essequibo, Oyapock, and Paraguay River basins.
Amazon (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, Essequibo (click on these areas to find other species found there)
La Plata, Paraná, Paraguay (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, French Guyana Coastal Rivers, Oyapock (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Temperature 24.0-28.0°C or 75.2-82.4°F (Show species within this range)
Other Parameters Lives on sandy bottom where it feeds on worms and micro-crustaceans.
Down arrow Husbandry Information
Breeding During reproduction, the males bear a cluster of eggs fixed to their lips, which they provide with ventilation during movement. About one week after hatching, the fry leave their parent's protection.
Breeding Reports There are 5 breeding reports, read them all here.
Down arrow Further Information
Reference Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 6, pp 92 [28], Pl. 7 (fig. 2a-c).
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There are 12 records of this fish being seen, view them all.
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Last Update 2020 Jul 01 13:37 (species record created: 2001 Apr 29 00:00)