Purple Short Spine Pincushion Urchin

About this invertebrate

Purple Short Spine Pincushion Urchin is a marine invertebrate from the urchin group, sold for use in saltwater aquariums as an aquarium “grazer.” In most marine setups, it helps keep nuisance algae in check by grazing on algae and biofilm on hard surfaces, making it a practical addition for aquascapes and display tanks that aim for cleaner rock and glass. While “purple” in the common name refers to a visible color variety, this listing focuses on the animal itself as a pincushion-style sea urchin.

Features:

• Natural grazing behavior that can help reduce algae and film buildup on rocks and glass
• Built to live in a stable saltwater environment as part of a balanced reef or marine display
• A hardy invertebrate option for aquarists who want an active, bottom-dwelling cleanup role
• Typically best paired with peaceful tankmates since it is not a predator
• Benefits most from well-established tank surfaces where algae/biofilm are available
• Can be observed moving along the substrate, feeding on opportunistic growth in the aquarium

Specifications:

• Product type: Marine sea urchin (invertebrate)
• Common name: Purple Short Spine Pincushion Urchin
• Primary feeding behavior: Grazes algae and biofilm on available surfaces
• Recommended aquarium environment: Saltwater aquarium (marine conditions)
• Care notes (general): Provide stable water quality and appropriate algae/biofilm availability; avoid sudden salinity or temperature swings
• Aquarium placement: Bottom and rock surfaces for grazing