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Spotted bristle-nosed pleco - Ancistrus hoplogenys

Spotted bristle-nosed pleco - Ancistrus hoplogenys

Scientific name: Ancistrus hoplogenys

Common name: Spotted bristle-nosed pleco

Family: Loricariidae

Usual size in fish tanks: 13 - 16 cm (5.12 - 6.3 inch)


Recommended pH range for the species: 6.1 - 7.2

Recommended water hardness (dGH): 5 - 16°N (89.29 - 285.71ppm)

0°C 32°F30°C 86°F

Recommended temperature: 25 - 28 °C (77 - 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

Being a nocturnal fish, it benefits more by adding food to the tank in the evening. Spotted bristle-nosed pleco’s will readily consume algae wafers, quality flake and shrimp pellets. Give them an occasional treat of blood worms. They will also require some wood in the tank as they will gnaw at this to aid their digestion.


South America; Spotted bristle-nosed pleco’s are found in the Amazonian basins of Brazil and Paraguay.


Males will possess soft antler-like growths around the snout, they may be present on a female but much less pronounced.


The male will select a spawning site in a cave or tunnel and invite the female to lay her eggs. The male will then take on all of the parental duties, even after the eggs have hatched. The fry can be fed on newly hatched brine shrimp.


The expected life span for Ancistrus hoplogenys is 5-8 years.

Short description

Spotted bristle-nosed pleco’s prefer a tank with hiding places provided by rock or wood décor. They need good quality water conditions with regular water changes. When adult, males will become aggressive to each other.


Bought by bristle-nosed pleco, picture 1 Spotted bristle-nosed pleco, picture 2

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