On uni......

    Sea urchins are small, ball like animals which inhabit all oceans. Their shells are round and spiny, typically 1-4 inches across and come in many colors including black, dull shades of green, olive, brown, and purple. They move slowly and feed mostly on algae.  In Japan sea urchin is known as uni, and its roe ( or testes) can be priced up $225 a pound, served raw as sashimi with soy sauce and wasabi. It is found in cuisines all over the mediterranean usually raw with some lemon on the side. Other applications include flavoring egg dishes, fish soup, mayo, béchamel sauce,  and hollandaise. It is enjoyed in countries all over the world as a delicacy and for the most part consumed raw.
Interesting Facts about sea urchin:
Able to clone themselves
It has no brain. Instead it has a nerve ring used to power its tube feet.
All sea urchins have five continuously growing teeth used to scrape algae off rocks(their favorite food)
Heres some Maine uni i got in the other day. Just the roe not the actual body.