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Sea Squirt (Polycarpa aurata)

Find Sea Squirt 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.

Sea Squirt
Photo: (c) Wayne and Pam Osborn, some rights reserved (CC BY-NC), uploaded by Wayne and Pam Osborn · cc-by-nc
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Where to buy Sea Squirt

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 Sea Squirt

Polycarpa aurata is a golden to orange-yellow tunicate with a rounded, barrel-shaped body and two prominent siphons at the apex. The coloration is distinctive and consistent, earning it the "golden sea squirt" designation.

Key facts

Family
Polycarpa
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Category
Other
Min tank size
30 gallons
Care Level
Moderate
Max Size
2
Notes
• Minimum 30 gallon tank • Requires strong, consistent water flow to filter-feed • Maintain temperature 72–78°F and salinity 1.023–1.025 • Place in shaded areas away from direct lighting; prefers low to moderate light • Feed with small particulate matter (phytoplankton, zooplankton) or liquid invertebrate foods
Origin
Indo-Pacific region, including the Philippines, Indonesia, and surrounding coral reef waters.
Appearance Description
Polycarpa aurata is a golden to orange-yellow tunicate with a rounded, barrel-shaped body and two prominent siphons at the apex. The coloration is distinctive and consistent, earning it the "golden sea squirt" designation.
Type
Filter Feeder
Compatibility
Peaceful filter-feeder; compatible with most reef inhabitants. Avoid predatory nudibranches, some starfish, and aggressive fish that may siphon or damage the siphon.
Diet Details
Photosynthetic symbiont provides some nutrition, but primarily depends on filter-feeding phytoplankton and fine particulate matter. Requires strong water flow and regular feeding of liquid phytoplankton.

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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