Cat-eLog Right Arrow Loricariidae Right Arrow Hypoptopomatinae Right Arrow The genus Acestridium

Jump to next section Summary of Acestridium
IdentificationAcestridium was diagnosed by Schaefer (1991) based on the following characters: ten principal caudal-fin rays; plates at anterior snout margin forming conspicuous spatulate projection; head and body very slender, depressed; dorsal surface of head and trunk with longitudinal ridges; dorsal fin placed posteriorly, well beyond pelvic fin and just anterior to anal-fin origin; adipose fin absent; dermal plates anterior to first dorsal-fin proximal radial expanded, bearing ventromedial keel contacting the dorsal margin of the neural arches of the vertebrae six through twelve; and ridge of bone on the ventral surface of the lateral ethmoid contacting the metapterygoid channel reflected mesially.
SizeSmallest 50mm, largest 67mm, average 61mm, most commonly 63mm. All SL.
SpeciesThere are 8 "species" in the database
Keepers2 species (25%) 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. Acestridium dichromum (87.5%)
2. Acestridium discus (12.5%)

Jump to distribution.

Jump to next section Distribution of selected Acestridium species