Oxydoras

Oxydoras is a genus of South American thorny catfish belonging to the family Doradidae. These fish are found in the Amazon, Orinoco, and Essequibo River basins.

Description:

Oxydoras species are characterized by their robust bodies covered in bony plates, forming a lateral line of thorns along their sides. They possess three pairs of barbels around their mouth, which are used for sensing their surroundings. As members of the Doradidae family, Oxydoras are known for producing sounds, often described as croaking or grating noises, by rubbing their pectoral spines against their pectoral girdle. They can grow to significant sizes, with some species reaching over a meter in length.

Distribution and Habitat:

Oxydoras catfish are native to the major river systems of northern South America. They inhabit a variety of freshwater environments, including rivers, streams, floodplains, and lakes. They are typically found in areas with submerged vegetation and soft substrates.

Diet:

Oxydoras species are generally considered to be omnivorous, feeding on a wide range of food items. Their diet may include insects, crustaceans, mollusks, plant matter, and detritus.

Taxonomy and Species:

The genus Oxydoras includes several recognized species. The exact number of species may vary depending on taxonomic classifications. Some commonly recognized species include:

• Oxydoras kneri
• Oxydoras niger (Ripsaw Catfish)
• Oxydoras sifontesi

Conservation Status:

The conservation status of Oxydoras species varies depending on the specific species and the region in which they are found. Some species may be relatively common and widespread, while others may be more vulnerable due to habitat loss, overfishing, or other threats. Further research is needed to assess the conservation status of all Oxydoras species.

Relationship to Humans:

Oxydoras catfish are sometimes caught and consumed by local populations. They may also be kept in aquariums, although their large size makes them more suitable for larger tanks.