Can Gold Nugget Pleco (L018) and Saddled Bichir Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Possible with Caution

Keeping Gold Nugget Pleco (L018) and Saddled Bichir together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 650 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Gold Nugget Pleco (L018)

Baryancistrus xanthellus

Saddled Bichir

Polypterus endlicheri

🐠Family Group
Gold Nugget Pleco (L018)
Catfish
Saddled Bichir
Oddballs
Temperament
Gold Nugget Pleco (L018)
Semi-Aggressive (6/10)
Saddled Bichir
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Gold Nugget Pleco (L018)
27–32°C
Saddled Bichir
24–30°C
pH Range
✓ Compatible
Gold Nugget Pleco (L018)
6–7.5
Saddled Bichir
6–8
Hardness (dGH)
✓ Compatible
Gold Nugget Pleco (L018)
2–12
Saddled Bichir
5–20
Water Type
✓ Compatible
Gold Nugget Pleco (L018)
Freshwater Only
Saddled Bichir
Freshwater Only
Flow Preference
✓ Compatible
Gold Nugget Pleco (L018)
High
Saddled Bichir
Moderate
Min Tank Volume
Combined: 650 L
Gold Nugget Pleco (L018)
250 L
Saddled Bichir
650 L
Swimming Level
Shared: 1 zone
Gold Nugget Pleco (L018)
Bottom
Saddled Bichir
Bottom
🏷️Behavior Tags
Gold Nugget Pleco (L018)
Territorial (Defends specific area)Aggressive to same species/look-alikesShy / Slow Moving (Easily Stressed)
Saddled Bichir
Piscivore (Eats small/nano fish)NocturnalJumper (Lid Required)
Stocking calculator

Can your tank handle Gold Nugget Pleco (L018) and Saddled Bichir?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

Gold Nugget Pleco (L018)
Saddled Bichir
Test both in my tank

Behaviour & Temperament

Both Gold Nugget Pleco (L018) and Saddled Bichir are moderately assertive species with an aggression score of 6/10. Their matching temperaments mean neither fish is likely to dominate the other in a shared aquarium.

Gold Nugget Pleco (L018) and Saddled Bichir both frequent the Bottom (Substrate) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Worth noting: Saddled Bichir is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Saddled Bichir is a known jumper, so a tight-fitting lid is essential.

To improve the chances of a peaceful coexistence in this community tank: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both Gold Nugget Pleco (L018) and Saddled Bichir to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations.

Water Parameters

The safe temperature window for both species falls between 27°C and 30°C. Aim for the midpoint of this range (around 28.5°C) for optimal comfort.

Both fish can tolerate a pH between 6 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Gold Nugget Pleco (L018) and Saddled Bichir together, plan for an aquarium of at least 650 litres with a minimum length of 180 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Driftwood (Digestion/Hiding), Smooth Gravel (Sensitive Barbels), Established Algae (Otocinclus), Sand (Sifters). Meeting these requirements will help both species thrive.

Both species do well with high (river/stream) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Needs Extra Planning in Practice

This pairing usually fails when the tank is treated like a standard mixed community and the caution flags are ignored. Gold Nugget Pleco (L018) and Saddled Bichir need extra room, more cover, and closer observation during the first few weeks so small aggression, feeding, or territory issues do not snowball into a long-term problem.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Gold Nugget Pleco (L018) and Saddled Bichir.

Frequently Asked Questions

Can Gold Nugget Pleco (L018) and Saddled Bichir live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 650 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Gold Nugget Pleco (L018) and Saddled Bichir need?

A minimum of 650 litres (tank length at least 180 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Gold Nugget Pleco (L018) and Saddled Bichir together?

Keep the aquarium between 27°C and 30°C. A target of around 28.5°C sits comfortably within both species' preferred ranges.

Are Gold Nugget Pleco (L018) or Saddled Bichir aggressive?

Gold Nugget Pleco (L018) is moderately assertive (6/10) and Saddled Bichir is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Gold Nugget Pleco (L018) and Saddled Bichir need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Gold Nugget Pleco (L018)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Gold Nugget Pleco (L018) space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Does Saddled Bichir being nocturnal affect compatibility?

Saddled Bichir is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Saddled Bichir during evening hours.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons