What is "sea peach"

Sea peach \Sea" peach`\ (Zo["o]l.) A beautiful American ascidian ( Cynthia pyriformis syn. Halocynthia pyriformis) having the size, form, velvety surface, and color of a ripe peach.

n. (context zoology English) An American ascidian ((taxlink Halocynthia pyriformis species noshow=1)), resembling a ripe peach in size, colour, and velvety surface.

Sea peaches are of the order Stolidobranchia, making them a sub-classification of Tunicates. Sea peaches are commonly found in the northern Pacific ocean, ranging from the Arctic Sea south to Puget Sound, and most common in the Bering Sea at a depth of 40 to 100 metres. The sea peach is typically barrel shaped, growing to a height of 18 centimetres, and its body is attached directly to the substrate. It is usually red or orange with a smooth or wrinkled tunic. There are two siphons at the top. The sea peach is preyed upon by crabs and sea stars.