Otothyropsis: The first part of the name is from Greek (otos = ear and thyris = window) and is in reference to the Hypoptopomatinae genus Otothyris, to which the new taxon is closely related. The second part is from the Greek (opsis = relating to sight and appearance); hence, resembling a hypoptopomatine fish.
Sexing
Male hypoptopomins posses a urogenital papilla located immediately posterior to the anus. It is absent in females.
Breeding
Unreported in the aquarium.
Size
Smallest 29mm, largest 38mm, average 35mm, most commonly 38mm. All SL.
Species
There are 5 "species" in the database
Keepers
1 species (20%) are being kept by registered keepers