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Yellow Tunicate (Rhopalaea abdominalis)

Find Yellow Tunicate 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.

Yellow Tunicate
Photo: (c) Robin White, some rights reserved (CC BY), uploaded by Robin White · cc-by
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Where to buy Yellow Tunicate

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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About Yellow Tunicate

A small, solitary tunicate with a bright yellow to golden body, typically barrel-shaped. It has two distinct siphons (inhalant and exhalant openings) at the top and attaches to substrate via a tunic base.

Key facts

Care Level
Moderate
Family
Rhopalaeidae
Max Size
2
Diet Details
Filter-feeder that consumes phytoplankton, zooplankton, and organic particles from the water column. Requires regular feeding with quality phytoplankton supplements in established systems.
Category
Other
Origin
Indo-Pacific region, including waters around Indonesia, Philippines, and the Great Barrier Reef.
Notes
• Minimum 30 gallon tank • Requires stable water conditions with temperatures 72–78°F and pH 8.1–8.3 • Place in moderate flow areas; avoid strong direct currents • Feed small phytoplankton and zooplankton via target feeding or dosing • Sensitive to copper, pesticides, and sudden parameter changes
Compatibility
Yellow tunicates are peaceful filter-feeders that coexist well with most fish and invertebrates. They require stable conditions but do not prey on tank-mates or compete aggressively for space.
Type
Other
Appearance Description
A small, solitary tunicate with a bright yellow to golden body, typically barrel-shaped. It has two distinct siphons (inhalant and exhalant openings) at the top and attaches to substrate via a tunic base.
Min tank size
30 gallons
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025

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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