Scale-like texture and natural crevices create a dramatic, aged aquascape look
Clay-like composition is brittle, allowing easy breaking into smaller pieces for custom layouts
Inert and does not influence water chemistry, suitable for all aquarium types
Natural earthy coloration enhances visual appeal and complements various aquascapes
Can be used in aquariums, terrariums, and paludariums for versatile decorative use
Summarized by Shop
Ohko Stone, also referred to as Dragon Stone, is a popular rock/hardscape choice for aquascaping and aquarium setups. This unique stone derives its name from the Japanese term meaning "big stone" and is highly regarded for its irregular shape and texture, reminiscent of dragon scales.
Aquarists value Ohko Stone for its natural appearance a
Material
Natural stone (clay-like composition)
Available sizes
Small (2-5 in), Medium (5-8 in), Large (8-12 in), Extra Large (13-16 in), Oversized (16 in+)
Love this stone. Always looks amazing in any landscape and all the holes are good at accepting all sorts of plant live
G
Graham · July 16, 2026
Overall happy! Buying online sight-unseen makes the fit and shape a bit of a gamble, but can make it work with a bit of sculpting and splitting down to smaller chunks.