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Polycarpa aurata "Ink-spot Sea Squirt" - Medium |
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| That Fish Place |
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$44.99
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Polycarpa aurata "Ink-spot Sea Squirt" - Medium
The Ink-spot Sea Squirt (Polycarpa aurata) is one of the more distinctive tunicate species and resembles a fatty lump when closed. Under the right conditions, its siphons open so it may filter feed. It is usually bright yellow or yellow-orange, and is smooth and leather-like to the touch. As it grows, it will shed its outer layer, and should be supplied with iodine to aid shedding.
Tunicates, Sea Squirts and Sea Pork appear to be simple organisms but are actually Chordates, the same scientific classification includes all vertebrates (animals with backbones). These animals are extremely proficient filter feeders. A single tunicate can filter thousands of gallons a day and can extract almost all bacteria and plankton from the water to feed on as it filters. They need an almost constant food source to avoid starvation.
These animals are known as "sea squirts" because most will squirt water from their openings if threatened. Most tunicates have two main openings, one to "inhale" water and the other to "exhale". There are well over 1,000 species of tunicates and it can be difficult or impossible to tell the exact species of some individuals. Color, size and shape can vary on many species. Some of the larger tunicates may be collected for sale in the aquarium trade while other smaller species may come in as "hitchhikers" on liverock or corals.
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