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

Jump to next section Cat-eLog Data Sheet
Scientific NameAcestridium dichromum  Retzer, Nico & Provenzano, 1999
Common NamesGreen Whiptail
Green Whiptail Catfish
Type LocalityTributaries of mid & upper Rio Orinoco & the Casiquiare drainage of the Rio Amazonas, Venezuela.
Pronunciationdie krow mum
Jump to next section Species Information
Size 63mm or 2.5" SL. Find near, nearer or same sized spp.
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.

This fish is unusual among suckermouths in its spectacular laser green colouration.
Jump to next section Habitat Information
DistributionTributaries of mid & upper Rio Orinoco & the Casiquiare drainage of the Rio Amazonas, Venezuela.
Amazon, Middle Amazon (Solimoes), Negro, Upper Negro, Casiquiare (click on these areas to find other species found there)
Orinoco, Middle Orinoco (click on these areas to find other species found there)
Orinoco, Upper Orinoco (click on these areas to find other species found there)
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Temperature23.0-28.0°C or 73.4-82.4°F (Show species within this range)
Other ParametersRequires a strong current.
Jump to next section Husbandry Information
FeedingSupplement algae by introducing algae covered rocks.
CompatibilitySensitive and difficult to maintain it fairs best in a species tank.
BreedingUnreported.
Jump to next section Further Information
ReferencesIchthyological Exploration of Freshwaters v. 10 (no. 4)
Registered Keepers(1) lurch1000 (k: 2), (2) Jools (k: 4), (3) Barbie, (4) fishy1 (k: 2), (5) aryface (k: 6), (6) john h, (7) Nabobmob1.

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Breeding ReportsNone.
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Last Update2013 Jul 19 18:48 (species record created: 2002 Jun 05 00:00)