Dorsal spines (total): 2; Dorsal soft rays (total):
7; Anal soft rays: 6; Vertebrae: 26 - 27. Distinguished
from other species of the genus by having the following
characters: middle series of lateral plates truncated
two plates before the caudal fin; inner margin of
the pectoral-fin spine smooth, with no serrae; distal
margin of the accessory flange of the first ceratobranchial
pointed; mid-dorsal lateral series with 17-18 plates
and continuous; abdomen usually with unplated areas
anteriorly in adults; and males with preanal length
63.0-66.8% HL and 19-20 middle lateral plates.
Aquarium Care: Treat as with all members
of the Hypoptopomatinae such as the Otocinclus/Parotocinclus
genera with a planted aquarium and an overall cooler
temperature. Diet: Omnivore: algae,
tablet foods, flake and small frozen foods. Remarks:
There are now 6 species (2019) in this relatevely
new genera, Otothyropsis alicula, O.
O. piribebuy,O. polyodon and O.
Black Oto, LG2
South America:Río Piribebuy and Río Aguaray,
Rio Paraguay basin in Paraguay.
B.B., P. Lehmann A. and R.E. Reis,
2011. A new species of Otothyropsis (Siluriformes: Loricariidae)
from the rio Paraguay basin, Paraguay. Neotrop. Ichthyol.
9(2):253-260. Froese, R. and D. Pauly. Editors. 2017.
FishBase. World Wide Web electronic publication. www.fishbase.org,
( 02/2017 ).