XL Slate Spawning Cave for Bristlenose Pleco
Single pleco cave best suited for larger bristlenose plecos or other larger pleco species.
Designed and handcrafted with aquarium-safe materials that do not affect water parameters. Due to the natural variation in the stone used, each cave may have a different stone pattern.
Dimensions
| Measurement | Opening: 2.25″ wide by 2″ tall by 6″ deep |
|---|---|
| Backed Design | Includes a backing to create a dark spawning cave environment |
Bristlenose plecos prefer caves slightly wider than their male pectoral fins. Ensure the cave size is appropriate for your fish before purchase. Smaller bristlenose and hypancistrus plecos are available in dedicated spawning caves and condos.
FAQ
What size cave is suitable for a bristlenose pleco?
The cave opening is 2.25″ wide by 2″ tall by 6″ deep. It is best suited for larger bristlenose plecos or other larger pleco species. Ensure the width is at least slightly wider than the male pectoral fins for proper fit.
Are the materials safe for aquarium use?
Yes, the caves are made from aquarium-safe materials that do not affect water parameters.
Will the stone pattern be the same in each cave?
No, due to the natural stone used, each cave may have a different stone pattern.




Joe Ball –
The cave fits my large bristlenose pleco perfectly. The dark interior provides a natural spawning environment. It’s well-made and has no impact on water chemistry. The stone texture looks authentic and the size is just right for the fish’s fins.
Kevin Nolan –
Great product for larger plecos. The cave is sturdy and the dimensions match the description. My pleco has been using it for a few weeks and seems comfortable. The natural stone look adds a nice touch to the tank.
Irene King –
Ordered for my male bristlenose pleco, and it fits perfectly. The backing creates a dark, secure space which the fish uses regularly. No issues with water parameters or fish behavior since adding it.