Woodeating lasiancistrus - Lasiancistrus tentaculatus

Scientific name: Lasiancistrus tentaculatus

Common name: Woodeating lasiancistrus

Family: Loricariidae

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

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Recommended pH range for the species: 6.3 - 7

Recommended water hardness (dGH): 3 - 16°N (53.57 - 285.71ppm)

0°C 32°F30°C 86°F

Recommended temperature: 23 - 28 °C (73.4 - 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

The Woodeating Lasiancistrus (Lasiancistrus tentaculatus) gets its common name from its unique ability to digest wood, an essential component of its diet. Therefore, adding driftwood or other suitable wood sources to the aquarium is crucial for their health. In addition to wood, they require a well-balanced, plant-based diet. Offer them high-quality spirulina flakes, algae wafers, blanched spinach, and shelled peas to ensure proper nutrition. Avoid feeding them high-protein foods, as their digestive systems are not well-equipped for it.

Origin and Natural Habitat

Native to South America, Lasiancistrus tentaculatus primarily inhabits the freshwater rivers and streams of Venezuela and Colombia. They are commonly found in environments with submerged wood, moderate water flow, and abundant algae, which provide both food and shelter.

Sexing

Determining the sex of Lasiancistrus tentaculatus can be challenging. However, when viewed from above, females tend to have a noticeably plumper body shape, especially when they are carrying eggs. Males may develop more pronounced odontodes (small, bristle-like structures) on their bodies as they mature.

Breeding

Lasiancistrus tentaculatus are known as secretive spawners. When ready to breed, both parents will retreat to a secluded area of the tank, such as a cave or crevice, to lay their eggs. A single spawning event usually produces around 50 small, yellowish eggs. These eggs hatch within 2–3 days, and the fry are born with a large yolk sac, which sustains them during their early development. Despite this, they will begin grazing on nearby algae soon after hatching. Providing an environment with ample biofilm and algae growth will enhance their survival rates.

Lifespan

With proper care, Lasiancistrus tentaculatus can live up to 10 years in captivity. Maintaining stable water conditions, a suitable diet, and a stress-free environment will help ensure their longevity.

Tank Requirements and Behavior

This species is highly peaceful and gets along well with other non-aggressive fish. They are best kept in aquariums that mimic their natural habitat, featuring a moderate water current, ample hiding spots, and plenty of driftwood. Although they primarily stay in the bottom regions of the tank, they are active grazers and will explore their surroundings in search of food. Due to their peaceful nature, they make excellent tankmates for other community fish.

Suitable Tankmates

Because of their peaceful temperament, Lasiancistrus tentaculatus can coexist with various calm and non-aggressive fish species. Some excellent tankmates include:

Neon Tetras (Paracheirodon innesi)
Harlequin Rasboras (Trigonostigma heteromorpha)
Corydoras Catfish (Corydoras spp.)
Otocinclus (Otocinclus spp.)
German Blue Rams (Mikrogeophagus ramirezi)
Kuhli Loaches (Pangio kuhlii)

Suitable Plants

Providing live plants enhances the natural feel of the aquarium and contributes to water quality. Some suitable plant species for tanks housing Lasiancistrus tentaculatus include:

Java Fern (Microsorum pteropus)
Anubias (Anubias spp.)
Amazon Sword (Echinodorus amazonicus)
Cryptocoryne (Cryptocoryne spp.)
Water Wisteria (Hygrophila difformis)
Java Moss (Vesicularia dubyana)

Short Description

Lasiancistrus tentaculatus is a fascinating and peaceful species known for its wood-eating behavior. Unlike many other plecos, this species relies on wood as an essential part of its diet, so aquarists must provide driftwood in their aquariums. While additional decorations such as rocks and plants are optional, they will appreciate a gentle water flow that simulates their natural environment. Their unique dietary needs and calm temperament make them a great choice for well-maintained freshwater community tanks.