Sea urchin Reference Libraries
Diadema setosum is a species of sea urchin that can be found in Indo-Pacific waters. Its range extends from the Red Sea to coasts of Australia in the east, and from Japan in the north to the east coast of Africa in the south. There have been a few individuals found outside of this natural range, leading experts to believe that it was introduced by natural or manmade causes. Two individuals were...
Evechinus chloroticu, commonly known as kina in the Māori language, is a sea urchin that can be found in New Zealand waters. It resides at depths between 39.3 and 45.9 feet in areas with moderate wave patterns. In northern waters of its range, it is typically found in rocky areas but can be found in sandy areas. In southern waters, it prefers to live in fjords. Evechinus chloroticu can...
The black sea urchin (Diadema antillarum), also known as the lime sea urchin or the long-spined sea urchin, is a species that can be found in the Caribbean basin and the western waters of the Atlantic Ocean. It prefers to inhabit coral reefs in these areas and resides at depths of up to 32.8 feet. This species has a test, or outer shell, that is similar that of most species of sea urchin....
The green sea urchin (Strongylocentrotus droebachiensis) is a species that can be found in northern waters in the Atlantic and Pacific Oceans. It can be found at depths of up to 3,770 feet in burrows dug using its spiny body. First, it will dig down to a desired layer of sediment, and then widen a den. Sometimes it will leave openings that are large enough for it to leave the den and return,...
The exquisite urchin (Coelopleurus exquisitus) is a species of sea urchin that can be found in the Pacific Ocean, only off the coast of New Caledonia. It prefers to reside in deep waters, at depths between 790 and 1,710 feet. It was first discovered in 2004, after marine biologist Dr. Simon Coppard was given information that a sea urchin was being sold on eBay. As a member of the International...
Image Caption: Chilean Sea Urchin, Loxechinus albus. Credit: Dentren/Wikipedia (CC BY-SA 3.0) The Chilean sea urchin (Loxechinus albus) is a species that can be found along the coastlines of Chile and Peru. It is typically found in shallow waters at or below the tide level, buried in sand or lying just on top of it. This species is often associated with Macrocystis pyrifera, a type of kelp....
The Antarctic Sea Urchin (Sterechinus neumayeri), is a species of sea urchin in the family Echinidae. It is found in the Antarctic Ocean living on the seafloor. It is common around the circumpolar waters, including the Balleny Islands, South Georgia and the South Sandwich Islands, Terra Nova Bay, and Victoria Land. It is found at depths of about 820 feet. The colors of this species range...
The Magnificent Star (Luidia magnifica), is a species of starfish in the family Luidiidae. It is found only in the Pacific Ocean on sandy areas of the seabed surrounding Hawaii and the Philippines at a depth of 60 to 440 feet. This starfish can grow quite large, with one specimen found on the Pearl and Hermes Atoll, Hawaii, measuring 33 inches in diameter. It usually has ten long, tapering...
Slate Pencil Urchin (Heterocentrotus mamillatus), also known as Red Slate Pencil Urchin or Red Pencil Urchin, is a species of sea urchin found in the tropical waters of the Indian and Pacific oceans. It is most abundant off the coast of Hawaii. Specimens found off the coast of Hawaii have bright red spines, more so than others found elsewhere, which generally have yellowish or brown spines....
White Sea Urchin (Echinus acutus), is a species of sea urchin in the Echinidae family. It is found in the Eastern Atlantic Ocean, the Mediterranean Sea, the North Sea and the English Channel at depths up to 330 feet below sea level. It is found mainly on coarse substrates with mud and gravel. The White Sea Urchin grows to a diameter of 6 inches. The test (shell) is circular in cross section...
