Dasyloricaria filamentosa

Scientific name: Dasyloricaria filamentosa

Common name: N/A

Family: Loricariidae

Usual size in fish tanks: 17 - 20 cm (6.69 - 7.87 inch)

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Recommended pH range for the species: 5 - 7

Recommended water hardness (dGH): 6 - 18°N (107.14 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 24 - 28 °C (75.2 - 82.4°F)

The way how these fish reproduce: Spawning

Where the species comes from: South America

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Bottom levels

Food and Feeding

Dasyloricaria filamentosa, commonly known as the Whiptail Catfish, thrives on a varied diet. In captivity, their primary source of food should consist of sinking catfish pellets rich in vegetable matter. Supplement this with fresh vegetables such as blanched lettuce, cucumber, and peas to ensure a balanced intake of nutrients. Additionally, these fish enjoy protein-rich foods like brine shrimp and bloodworms, which should be offered once or twice a week. This combination of vegetable matter and proteins will promote their overall health and help maintain their coloration. It's best to feed them during the evening or night, as they are more active during those times.

Origin

Native to South America, Dasyloricaria filamentosa is found in the Magdalena River Basins, which extend through Colombia. These regions are characterized by soft, slightly acidic waters and slow-moving rivers, with plenty of submerged vegetation and sandy or muddy substrates. Replicating these natural conditions in the aquarium is crucial for the health and well-being of the Whiptail Catfish.

Sexing

Distinguishing between male and female Dasyloricaria filamentosa can be challenging until they reach sexual maturity. Mature males tend to be slimmer and display broader head shapes compared to females. Additionally, males develop bristle-like whiskers (known as odontodes) on their cheeks and around the snout during the breeding season, which is a reliable way to identify them.

Breeding

Breeding Dasyloricaria filamentosa in captivity can be quite difficult due to their high sensitivity to water conditions. They require pristine, stable water parameters to induce breeding. Providing the right environment is crucial - this includes adding piping, cave-like structures, or similar tubing to the tank, which will serve as spawning sites. After the female lays her eggs, the male takes responsibility for guarding and fanning them to ensure they remain oxygenated. The eggs usually hatch within a week, and the fry become free-swimming shortly afterward. At this point, the fry should be fed with finely crushed vegetable-based foods, newly hatched brine shrimp, or infusoria to ensure proper growth. Clean, stable water conditions are vital for the fry’s survival and development.

Lifespan

With the right care, including optimal water conditions and a well-balanced diet, the expected lifespan of Dasyloricaria filamentosa is around 15 years. This long lifespan makes them a long-term commitment for dedicated aquarists who can meet their demanding care requirements.

Short Description

Dasyloricaria filamentosa is an excellent addition to a peaceful community tank. However, they are extremely sensitive to water quality and require a well-maintained environment to thrive. These catfish are bottom-dwellers and prefer a tank with a sandy substrate, as they enjoy burrowing. It is essential to provide hiding places in the form of bogwood, rocks, or other structures, as they can be shy, particularly when newly introduced to the tank. Despite their peaceful nature, they should not be kept with aggressive species that may outcompete them for food or disturb their territories. Frequent water changes and good filtration are critical to maintaining the high water quality they require.