AquaticRepublic.com - Otocinclus mariae (Loricariidae) All Fishes

Tributary of Tapanahony, Suriname.
Lateral view of preserved specimen
Lateral view of a second preserved specimen
Dorsal view
Close-up of head, ventral view

All Fishes Data Sheet
Scientific Name	**Otocinclus mariae** Fowler, 1940
Common Names	Maria's Oto Dwarf Sucker, Dwarf<em> Otocinclus</em>, Marias Dværgsugemalle (Denmark), Oto
Type Locality	Boca Chapare, Río Chimore, tributary to Río Ichilo, about 15°58'S, 64°42'W, Río Mamoré system, Bolivia.
Pronunciation	auto SINK luss - MAR ee ae
Etymology	Greek, ous, oto = ear + Latin, cinclus = latticework; in allusion to the holes of the head in the ears.
Species Information
Size	33mm or 1.3" SL. Find near, nearer or same sized spp.
Identification	Very similar to O. vittatus.
Sexing	Females are larger and broader especially when viewed from above.
Habitat Information
Distribution	South America: Upper Madeira and lower Amazon River basins. Amazon, Lower Amazon (click on these areas to find other species found there) La Plata, Paraná, Paraguay (click on these areas to find other species found there) Amazon, Middle Amazon (Solimoes), Madeira, Upper Madeira (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2020.
pH	5.5 - 7.5
Temperature	21.0-26.0°C or 69.8-78.8°F (Show species within this range)
Husbandry Information
Feeding	Initially algae, add a shoal to an "algaefied" tank and then supplement diet with sinking tablets and the usual cucumbers / lettuce or courgette (zucchini). User data.
Furniture	Large leafed plants and vertical flat rock surfaces (especially slate). Not essential, but likes bogwood and a large rounded substrate. Live plants seem essential to the long term survival of this fish.
Compatibility	Peaceful.
Suggested Tankmates	Keep in groups (preferably at least six) with any small to mid-sized community fish.
Breeding	See Shane's World article.
Breeding Reports	There is no breeding report.
Further Information
Reference	Proceedings of the Academy of Natural Sciences of Philadelphia v. 92, pp 83, Figs. 41-43.
Registered Keepers	There is no registered keeper.
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 4 records of this fish being seen, view them all.
Forum BBCode

	Look up O. mariae on PlanetCatfish.com
	Look up O. mariae on Fishbase
	Look up O. mariae on Encyclopedia of Life
	Look up O. mariae on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.4.49.106
Last Update	2023 Aug 12 00:04 (species record created: 2004 May 19 00:00)