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FishhardFreshwater

L177 Gold Nugget Pleco

Baryancistrus sp. L177

📍 South America

Ask Finn

The L177 Gold Nugget Pleco is a stunning nocturnal catfish featuring a dark body covered in bright yellow or gold spots and markings. This species is highly sought after by experienced aquarists for its striking appearance and interesting behavior. They are primarily herbivorous and require well-established tanks with plenty of hiding spaces and driftwood.

Size9"
Min Tank75g
peaceful
Zonebottom

Care Guide

Diet

Gold Nugget Plecos are primarily herbivorous and wood-eaters that require substantial amounts of driftwood for rasping and digestion. Supplement their diet with high-quality sinking pellets, blanched vegetables (zucchini, cucumber), and algae wafers 3-4 times weekly. Provide fresh driftwood regularly as they consume it as part of their natural diet.

Behavior

These are nocturnal bottom-dwellers that spend most daylight hours hiding in caves, under driftwood, or in dense vegetation. They become more active during evening and night hours when they forage for food and explore their territory. Gold Nuggets are generally solitary and territorial with other plecos, so they should be housed individually or with careful monitoring.

Breeding

Breeding in captivity is extremely difficult and rarely achieved in home aquariums. They require very specific water conditions, large territories, and cave systems to spawn. Successful breeding typically requires professional-level expertise and specialized breeding setups with minimal disturbance.

Common Diseases

Ich (Ichthyophthirius multifiliis)

Symptoms

White spots on body and fins, rapid breathing, lethargy, rubbing against objects

Treatment

Increase temperature gradually to 28-30°C (82-86°F), use aquarium salt at recommended doses, perform frequent water changes, treat with medication if necessary

Fin Rot

Symptoms

Frayed or deteriorating fins, discoloration at fin edges, lethargy

Treatment

Improve water quality through frequent water changes, remove decaying food and waste, treat with antibacterial medication, ensure adequate aeration

Bacterial Infection

Symptoms

Open sores, ulcers on body, cloudy eyes, loss of appetite, color fading

Treatment

Perform large water changes, maintain pristine water conditions, use broad-spectrum antibacterial treatment, isolate if severely affected

Parasitic Infection

Symptoms

Excessive scratching, visible parasites, weight loss, clamped fins, lethargy

Treatment

Use anti-parasitic medication, increase water changes, quarantine affected fish, treat entire tank if infestation is widespread

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Quick Facts

diet
Herbivore - primarily wood-eating and algae-based diet
lifespan
10-15 years
max size
23 cm (9 in)
tank size
75 gallons minimum
temperament
peaceful

Water it likes

ph
6.0-7.5
ammonia
0 ppm
nitrate
<20 ppm
hardness
4-8 dGH
temperature
75–82°F (24–28°C)

Stats

Community tips0
Kept by0 hobbyists