Bushynose Pleco (Bristlenose Pleco) — Ancistrus sp.

The Bushynose Pleco, also called the Bristlenose Pleco, is one of the most popular and manageable plecostomus species for freshwater aquariums. Known for its unique “bushy” tentacles (especially on males) sprouting from the nose area, this peaceful algae-eater is perfect for community tanks and beginner aquarists alike.

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? Quick Facts

• Common Names: Bushynose Pleco, Bristlenose Pleco

• Scientific Name: Ancistrus sp. (multiple species, commonly Ancistrus cirrhosus)

• Origin: South America (Amazon basin and tributaries)

• Size: 4–6 inches (10–15 cm) on average

• Lifespan: 5–8 years

• Temperament: Peaceful, territorial to own kind

• Tank Size: Minimum 20 gallons (bigger for multiple fish)

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? Appearance

• Typically brown or grayish with mottled patterns, though color variants exist (albino, white, gold).

• Males feature prominent bristle-like tentacles on the snout, females have fewer or none.

• Flattened body with broad pectoral fins and a sucker mouth designed for grazing surfaces.

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? Water Parameters

• Temperature: 73–81°F (23–27°C)

• pH: 6.5–7.5

• Hardness: Soft to moderately hard

• Water Flow: Moderate; appreciates some current similar to their natural river habitats

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? Aquarium Setup

• Tank Size: At least 20 gallons for a single pleco

• Substrate: Sand or smooth gravel

• Decor: Driftwood (essential for digestion), caves, rocks, and plenty of hiding places

• Plants: Hardy plants like Anubias and Java Fern tolerate pleco activity

• Lighting: Moderate to low — plecos are nocturnal and prefer subdued light

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?️ Diet

Bushynose Plecos are primarily herbivores with omnivorous tendencies:

• Staple Foods: Algae wafers, spirulina-based pellets, blanched vegetables (zucchini, cucumber, spinach)

• Supplements: Occasional protein like bloodworms or brine shrimp

• Natural Grazing: They actively graze algae on tank surfaces and driftwood (which aids digestion)

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? Behavior & Compatibility

• Temperament: Peaceful but territorial toward other plecos, especially males

• Activity: Mostly nocturnal; may be seen grazing during the day in peaceful tanks

• Tankmates: Compatible with most community fish — avoid aggressive or large predatory species

• Social Behavior: Can be kept singly or in groups with enough space and hiding spots

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? Breeding

• Males guard caves or hollow spaces where females deposit eggs

• Breeding usually occurs in mature tanks with stable conditions

• Fry feed on biofilm and algae initially

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⚠️ Care Tips

• Provide plenty of driftwood — it’s important for their digestive system and natural grazing

• Maintain good water quality with regular water changes

• Avoid sharp or rough decorations that could damage their delicate fins and barbels

• Monitor for overfeeding, as plecos can become overweight

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? Final Thoughts

The Bushynose Pleco is an excellent algae cleaner and charming tank inhabitant that adds interest without growing too large. Their unique “bushy” appearance and peaceful nature make them a favorite pleco species for both beginners and seasoned aquarists alike.

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