Cat-eLog Right Arrow Scoloplacidae Right Arrow The genus Scoloplax

Jump to next section Summary of Scoloplax
Pronounced SKOW low plax
Etymology Scoloplax: From the Greek skolos, meaning thorn and plax, meaning plate; in reference to the moveable dermal bone on top of snout (rostral plate) that is studded with large integumentary teeth.
Identification Species of the neotropical family Scoloplacidae are distinguished from other Siluriformes by the presence of a conspicuous shield-shaped rostral plate bearing numerous large and recurved odontodes. Scoloplacidae is a monogeneric family endemic to South America and known from the Amazon, Paraguay, and Parana basins. The worlds smallest known catfish are from this genus, the smallest is most likely S. dolicholophia.
Sexing Larger male specimens with large, fleshy tissue at ventral opening. Females without tissue sack.
Breeding Unreported.
Size Smallest 14mm, largest 20mm, average 16mm, most commonly 16mm. All SL.
Species There are 6 "species" in the database
Keepers 2 species (33%) are being kept by registered keepers
New spp. / time
1750 1770 1790 1810 1830 1850 1870 1890 1910 1930 1950 1970 1990 2010 
Jump to next section Most Kept Species
1. Scoloplax dolicholophia (60%)
2. Scoloplax empousa (40%)

Jump to distribution.

Jump to next section Distribution of selected Scoloplax species


Log in to view species occurence data on a map.