Quite similar looking to O.
vittatus.Aquarium Care:
This is a small group of Loricariids which do well
in aquariaand will keep the algae down without
harming the plants in the tank.Best to keep
in a group with more males for breeding purposes.
Reproduction: the females will lay
eggs on the plants and tank glass after the females
have been chased around the tank by the male. Like
Corydoras they present a t-position breeding
mode. Diet:Omnivore:
algae, tablet foods, flake and small frozen foods.
Etymology: The specific name mariae:
In honour of Mary Pearsall Howes (1889–1948),
Toms River, New Jersey (USA), for whom Fowler is “indebted
for many American fishes” from the Atlantic
Coast [Fowler honoured Mary’s husband in the
name of Amblystilbe howesi (Characidae) and
her son in the name of Pimelodella howesi
(Heptapteridae).
Common
Name:
None
Synonyms:
None
Family:
Loricariidae
Distribution:
South America:Upper Madeira and lower Amazon River basins.
In Suriname known from Upper Marrowijne (Maroni),
Suriname and Corantijn rivers. Type locality:
Boca Chapare, Río Chimore, Río Mamoré
system, Bolivia.
Size:
3.5cm. (1½ins)
Temp:
22-27°c (71-81°f.)
p.H.
6.0-7.5.
IUCN
Red List
Despite
the little information available on this species, it
has a wide range and no apparent threats. Therefore,
it is assessed as Least
Concern (IUCN 2023).
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