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Spanish Dancer (Hexabranchus sanguineus)

Find Spanish Dancer across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified invertebrate listings before you buy.

Spanish Dancer
Photo: (c) Daniel Benák, all rights reserved, uploaded by Daniel Benák
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Where to buy Spanish Dancer

ReefDock searches the following reef retailers for this invertebrate. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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    Search Petco

About Spanish Dancer

A large nudibranch with a vivid red or crimson body and bright orange-yellow frilly gill structures (branchiae) along the dorsal surface. The body is flattened and oval-shaped, with the name derived from its graceful swimming motion resembling a Spanish dancer's movements.

Key facts

Min tank size
75 gallons
Category
Predator
Care Level
Hard
Compatibility
Not suitable for reef tanks or community setups. Will prey on small fish and invertebrates; best kept singly or with large, aggressive fish only.
Origin
Indo-Pacific region from the Red Sea and East African coast to the Hawaiian Islands and Great Barrier Reef.
Family
Hexabranchidae
Appearance Description
A large nudibranch with a vivid red or crimson body and bright orange-yellow frilly gill structures (branchiae) along the dorsal surface. The body is flattened and oval-shaped, with the name derived from its graceful swimming motion resembling a Spanish dancer's movements.
Max Size
12
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Notes
• Minimum 75 gallon tank with gentle water flow and plenty of live rock and hiding places • Maintain temperature between 72–78°F and salinity 1.023–1.025 • Feeds primarily on sponges; specimens require reliable access to appropriate sponge food sources • Highly sensitive to copper, medications, and poor water quality; requires pristine conditions • Nocturnal and reclusive; rarely seen during daylight hours in reef systems
Type
Worm
Diet Details
Carnivorous predator feeding on small fish, crustaceans, and other invertebrates. Requires meaty foods offered 2–3 times per week.

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell invertebrates directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current invertebrates listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible invertebrate listings — so you can see the conditions a invertebrate was raised in before you buy. Log this invertebrate on Reef Trak.

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