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Ancistrus sp. L-144 Gold is an ornamental loricariid variety known in the aquarium trade as Short Fins. Its golden-yellow to orange coloration, armored body, and specialized sucker mouth make it a popular bottom-dwelling fish. This form is generally kept in mature, well-filtered tropical freshwater aquariums with plenty of grazing surfaces. The golden coloration and short fins are its main distinguishing features. Relatively common in the hobby, it suits many peaceful community aquariums when provided with hiding places, wood, and regular vegetable-based foods.

General species description

Ancistrus sp. L-144 Gold belongs to the Ancistrus group, a group of armored catfish in the family Loricariidae. The L-144 code refers to an ornamental aquarium form rather than to an officially established species name. This variety is valued for its golden color and Short Fins morphology, with fins that lack the extended rays associated with longfin forms. Like other Ancistrus, it spends much of its time attached to décor, wood, or glass, where it grazes on food deposits and algae. Its activity often increases at dusk and during the night. It is generally peaceful, although males may defend a small cave from other males. Good oxygenation, effective filtration, and stable water conditions are essential for long-term care.

Geographical origin and biotope

The L-144 strain is associated with the aquarium trade, and its designation does not establish a precise natural locality. The geographical reference supplied for this profile is Colombia, a country where several Ancistrus occur in tropical freshwater habitats. In this type of environment, the fish uses margins, sheltered areas, and places where roots, branches, and stones provide grazing surfaces. The habitat generally contains soft to moderately mineralized water, good oxygenation, and light to moderate current. In the aquarium, the most important features to reproduce are the structure of the habitat: natural wood, shelters, and consistent water movement, rather than a specific water color.

Precise locality and local name

For this captive aquarium form, the L-144 designation is used mainly as an aquarium trade code. The common trade name is Gold bristlenose pleco, while Short Fins is often added to distinguish it from longfin varieties. The word “pleco” is widely used in the trade, although Ancistrus sp. L-144 Gold belongs more precisely to the genus Ancistrus. This distinction is useful because it prevents confusion with the much larger plecos of the genus Pterygoplichthys.

Appearance and physical characteristics

Ancistrus sp. L-144 Gold has a stocky body, a flattened underside, and protective bony plates. Its lower mouth forms an efficient sucker, suited to holding onto surfaces and grazing. Color ranges from cream-yellow to golden, sometimes with a more orange tone depending on lighting, age, and strain. The eyes are generally dark, while some commercial lines may show differences in pigmentation. The Short Fins form has proportionate fins without the strongly elongated filaments of longfin varieties. The adult male’s facial bristles are a notable feature, especially around the snout and head. Adult size is usually about 12 to 15 cm in a well-maintained aquarium.

General diet

Ancistrus sp. L-144 Gold is mainly an algae grazer and detritivore, but it should not be treated as a simple glass cleaner. Its diet should include vegetable-based sinking wafers or tablets for bottom fish, as well as blanched vegetables such as zucchini, cucumber, or romaine lettuce. Natural wood is recommended because it provides grazing surfaces and supports typical Ancistrus feeding behavior. A small amount of animal-based food may be offered occasionally, especially to juveniles or breeding adults, but it should not become the main part of the diet. Vegetable fiber and wood are important for digestion. Remove uneaten vegetables after a few hours to help maintain water quality.

Essential data

• River of origin: River not specified for the L-144 form.
• Local name used: Gold bristlenose pleco; Short Fins.
• Origin of the scientific name: Ancistrus is the genus name; “sp.” means that the species is not specified in this trade designation.
• Full-name etymology: Ancistrus comes from the Greek ankistron, associated with a hook; sp. abbreviates species; L-144 is an aquarium code; Gold describes the coloration.
• Common/vernacular names: Golden bristlenose, Gold bristlenose pleco, Short Fins.
• Family: Loricariidae.
• Subfamily: Hypostominae.
• Name pronunciation: an-SIS-trouss sp. el one forty-four Gold
• Discovery: No person or year of discovery is associated with this commercial form.
• Maximum adult size: Approximately 15 cm.
• Water temperature and pH: 24 to 28 °C; pH 6.0 to 7.5.
• Watercourse appearance and surrounding vegetation: Tropical, well-oxygenated freshwater with roots, branches, stones, and riparian vegetation.
• Typical tankmates: Small peaceful tetras, rasboras, corydoras, calm livebearers, and other non-aggressive community fish.
• Temperament and behavior: Peaceful, discreet, and mostly active at dusk; males may show territorial behavior around shelters.
• Water depth: Shallow to intermediate areas close to the bottom.
• Sexual dimorphism: Males develop more numerous and more prominent facial bristles; females are generally smoother.
• Bottom configuration and flow: Sand or fine gravel, wood, and caves; light to moderate current with good oxygenation.

In your aquarium

Success with Ancistrus sp. L-144 Gold depends on a mature aquarium, stable water, and well-maintained filtration. Provide natural wood and narrow shelters where the fish can rest and potentially breed. Offer vegetable foods after the lights are partially turned off and monitor nitrate levels. Avoid aggressive or highly boisterous tankmates that may prevent it from feeding. Regular water changes, moderate flow, and strong oxygenation will help maintain its condition. This relatively common form remains an excellent choice for a peaceful tropical community aquarium.