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Bristlenose pleco - Ancistrus triradiatus

Bristlenose pleco - Ancistrus triradiatus

Scientific name: Ancistrus triradiatus

Common name: Bristlenose pleco

Family: Loricariidae

Usual size in fish tanks: 10 - 12 cm (3.94 - 4.72 inch)

014

Recommended pH range for the species: 6.2 - 7.7

Recommended water hardness (dGH): 4 - 18°N (71.43 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 23 - 29 °C (73.4 - 84.2°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

The Bristlenose Pleco (Ancistrus triradiatus) primarily feeds on vegetable matter and algae. In the aquarium, their diet should include a variety of plant-based foods such as sinking algae wafers and fresh vegetables like zucchini, cucumber, and spinach. Bogwood or driftwood is also essential in their diet, as they enjoy gnawing on it, which helps with digestion. While they are mostly herbivorous, they will appreciate protein-rich treats such as brine shrimp or bloodworms. Offering these occasionally can enhance their overall health and vitality.

Origin

The Bristlenose Pleco is native to the Amazon River basins of South America, where they inhabit slow-moving waters with plenty of vegetation and submerged wood. While the natural species originates from South America, many of the albino varieties commonly found in aquariums are bred in fish farms across Asia.

Sexing

Sexing Bristlenose Plecos is quite straightforward. Males have larger, more prominent bristles on their heads that extend up to the top, whereas females have smaller bristles, usually restricted to the edge of their chin. These physical differences make it easy to distinguish between the sexes, especially as the fish mature.

Breeding

Bristlenose Plecos are one of the easier species to breed in home aquariums. They are cave spawners, so providing caves, PVC pipes, or other hiding spots is essential for successful breeding. The male will invite the female into the spawning site, where she will lay her eggs. Once laid, the male takes on the responsibility of guarding and fanning the eggs to keep them oxygenated. The eggs usually hatch within 4-6 days, and the fry become free-swimming a few days after hatching. At this stage, the fry can be fed on algae, blanched vegetables, or specialized fry food.

Lifespan

With proper care, the Bristlenose Pleco can live up to 14 years in captivity. Ensuring clean water, a balanced diet, and adequate tank space will help them reach their full lifespan. Regular maintenance and water changes are also crucial for their long-term health.

Tank Requirements

Bristlenose Plecos prefer tanks with plenty of hiding spaces and low lighting. Adding bogwood, rocks, and plants not only provides them with security but also supports their dietary needs. It’s important to provide a soft, sandy substrate to protect their sensitive barbels. A well-functioning filtration system is essential as Bristlenose Plecos produce a moderate amount of waste. The water should be kept between 23-29°C (73.4-84.2°F) with a pH of 6.2-7.7.

Temperament

Bristlenose Plecos are peaceful fish, making them a great addition to community tanks. However, males can become territorial as they mature, especially when it comes to competing for hiding spots. If you provide multiple caves and plenty of driftwood, it's possible to keep more than one male in the same tank. Adequate space is crucial to minimize aggression. A tank size of at least 40 cm x 60 cm (approximately 15.75 inches x 23.62 inches) is recommended to ensure that each male has enough territory. This will reduce stress and allow the fish to establish their own spaces within the tank.

Short Description

The Bristlenose Pleco (Ancistrus triradiatus) is a peaceful, hardy fish that thrives in community tanks. Known for their distinctive bristles on their heads, these plecos are effective algae eaters and help keep the tank clean. They require plenty of hiding spots, especially as males can become territorial. With their small size, manageable care requirements, and peaceful nature, Bristlenose Plecos are a favorite among aquarists.

Pictures

Bought by aqua-fish.net from jjphoto.dk.

Bristlenose pleco, picture 1 Bristlenose pleco, picture 2 Bristlenose pleco, picture 3

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