PlanetCatfish.com - Baryancistrus beggini (Loricariidae) Cat-eLog

Thirteen day old
Showing rear of dorsal fin fused to front of adipose fin.
Sunken eyes typical of malnourished specimen
Feeding on courgette
Male (right) with Ancistrus sp.
Three day old fry
Twenty eight days old
Three months old
Dorsal view

Cat-eLog Data Sheet
Scientific Name	**Baryancistrus beggini** Lujan, Arce H. & Armbruster, 2009
Common Names	L239, Blue Panaque Safirsugemalle (Denmark)
Type Locality	Río Ventuari, 4°04'32"N, 66°53'34"W, Río Orinoco drainage, Amazonas, Venezuela.
Pronunciation	bah ree ann siss truss
Etymology	Greek, barys = heavy + Greek, agkistron = hook - Essentially "Heavy Ancistrus". Patronym honoring Chris Beggin for his financial support of this research.
Articles	- Shane's World Reproduction Breeding Baryancistrus beggini, the Blue Fin Panaque or L239
Species Information
Size	81mm or 3.2" SL. Find near, nearer or same sized spp.
Identification	The pictures here show the range of colour this fish can exhibit. Typically it is dull charcoal black with a tinge of blue. The fish appears to belong to an undescribed genus characterised by the fused dorsal and adipose fins.
Sexing	Male has gill-plate and pectoral fin odontodes. Female has wider body between pectoral and ventral fins.
Habitat Information
Distribution	Río Ventuari and the Río Orinoco at their confluence, and lower portions of the Río Guaviare in Colombia. Orinoco, Upper Orinoco (click on these areas to find other species found there) Orinoco, Upper Orinoco, Ventuari (click on these areas to find other species found there) Orinoco, Upper Orinoco, Guaviare (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Vulnerable , range map and more is available on the IUCN species page. Last assessed 2020.
pH	5.5 - 7.5
Temperature	23.0-29.0°C or 73.4-84.2°F (Show species within this range)
Husbandry Information
Feeding	Herbivore wafers, rarely carnivore wafers and frozen food. User data.
Breeding	One spawning is reported as follows: The male guards the brood in a cave. Male was greater than 100 mm in size. Female was about 90 mm in size. The clutch had about 12 eggs. Survival of eggs/fry was poor, only 4 fry survived. The spawn occurred in the following water parameters: Temperature 28°C, pH: 6.0 - 7.0 NO3: < 10 mg/l KH: <2 °dH, GH: <3 °dH Conductivity: 210 - 240 µS/cm
Breeding Reports	There are 5 breeding reports, read them all here.
Further Information
Reference	Copeia 2009 (no. 1), pp 51, Figs. 1-2.
Registered Keepers	There are 197 registered keepers, view all "my cats" data.
Wishlists	Love this species? Click the heart to add it to your wish list. There are 24 wishes to keep this species, see who wants what.
Spotters	Spotted this species somewhere? Click the binoculars! There are 72 records of this fish being seen, view them all.
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	LFS label creator ARN ref:1.4.19.42
Last Update	2025 Jan 01 12:03 (species record created: 2001 May 05 00:00)