Psalidodon Marionae (Psalidodon marionae), first described by Eigenmann, 1911 is a small fish. Adults typically reach 9.10 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.
One maxillary tooth .: short and / or deep.
Behavioural data for Psalidodon Marionae is currently being reviewed.
Freshwater; benthopelagic. Subtropical South America: Paraguay River basin.
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