Purple Sea Slug - Hypselodoris bullocki

Hypselodoris bullocki – Vibrant Purple Nudibranch

Add a burst of color and elegance to your reef tank with the stunning Hypselodoris bullocki. This captivating nudibranch is known for its vivid purple to lavender body, bright white or yellow gills and rhinophores, and graceful, gliding movement. Native to the Indo-Pacific, H. bullocki is a true showstopper and a must-have for nudibranch enthusiasts and collectors of rare invertebrates.

Care Level: Expert
Reef Safe: Yes (with caution – may feed on specific sponges)
Diet: Specialized feeder – primarily consumes specific sponges in the wild. Not recommended for long-term captivity unless food source is provided.
Water Parameters:

• Temperature: 72–78°F

• Salinity: 1.023–1.025

• pH: 8.1–8.4

Important Note: Like most nudibranchs, Hypselodoris bullocki has a short lifespan and a very specialized diet. It is best suited for advanced aquarists with experience maintaining delicate invertebrates. Not suitable for mixed reef tanks with aggressive flow or predators.