PlanetCatfish.com - Lasiancistrus volcanensis (Loricariidae) Cat-eLog

Dorsal view
Ventral view
Close-up of mouth

Cat-eLog Data Sheet
Scientific Name	**Lasiancistrus volcanensis** Dahl, 1941
Common Names	LDA071, Sage Halffin Pleco L312, Salvie-halvfinnesugemalle (Denmark)
Type Locality	Río Volcán near its junction to Río San Bartolomé, tributary of Río Magdalena, Antióquia Dept., Colombia, elevation about 600 meters.
Pronunciation	LASS ee an SISS truss
Etymology	Greek, lasios, -a, -on = hairy + Greek, agkistron = hook
Species Information
Size	100mm or 3.9" SL. Find near, nearer or same sized spp.
Identification	Adult Lasiancistrus can be separated from all other loricariids by the presence of whisker-like odontodes on the cheeks. In addition, they have evertible cheek odontodes; three rows of plates on the caudal peduncle; and a modified, bar-shaped opercle. The caudal fin is slightly emarginate to forked, with the lower lobe longer than upper. Nuptial males have tentacules on the pectoral-fin spines longer than their associated odontodes; and transluscent tentacules on the snout that have odontodes associated with them. Nuptial males lack hypertrophied odontodes on top of the head and lack long, bristle-like odontodes on the leading edge of the pectoral-fin spine. This fish is collected in faster flowing tributaries of the upper Rio Magdalena, Colombia and exported through Bogota. It normally appears as bycatch in shipments of Colombian Chaetostoma. Further investigation is needed to see if this fish is identifiable with Lasiancistrus caucanus.
Sexing	Unknown
Habitat Information
Distribution	Tributaries of the upper Rio Magdalena. Complete distribution is unknown. Colombia Caribbean Rivers, Magdalena, Middle Magdalena (click on these areas to find other species found there) Colombia Caribbean Rivers, Magdalena, Middle Magdalena, San Bartolomé, Volcán (click on these areas to find other species found there) Colombia Caribbean Rivers, Magdalena, Cauca, Lower Cauca (click on these areas to find other species found there) Colombia Caribbean Rivers, Magdalena, Upper Magdalena (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Not Evaluated
pH	6.6 - 7.2
Temperature	20.0-25.0°C or 68-77°F (Show species within this range)
Other Parameters	Like Chaetostoma species, this fish requires well oxygenated water with lower temperatures than the average tropical aquarium.
Husbandry Information
Feeding	Although sometimes picky immediately after import, these fish will eventually accept fresh vegetables as well as live and frozen foods. User data.
Furniture	The tank decor should consist of various sized stones stacked to form caves over a sand/gravel substrate.
Compatibility	Will not bother tankmates provided it has a cave of its own.
Suggested Tankmates	An excellent specimen for the cooler ''hillstream'' community tank.
Breeding	Unreported.
Breeding Reports	There is but a single breeding report, read it here.
Further Information
Reference	Förhandlingar / Kungliga Fysiografiska Sällskapets i Lund = Proceedings of the Royal Physiographic Society at Lund v. 11 (no. 8), pp 83 [4], Figs. 3-4.
Registered Keepers	There is but a single registered keeper, view all "my cats" data.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There are 3 records of this fish being seen, view them all.
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	LFS label creator ARN ref:1.4.84.1174
Last Update	2025 Jan 02 01:37 (species record created: 2003 Dec 20 00:00)