Search results
Results From The WOW.Com Content Network
The name "Anthozoa" comes from the Greek words άνθος (ánthos; "flower") and ζώα (zóa; "animals"), hence ανθόζωα (anthozoa) = "flower animals", a reference to the floral appearance of their perennial polyp stage. [1] Anthozoans are exclusively marine, and include sea anemones, stony corals, soft corals, sea pens, sea fans and ...
The sea pens' ability to be clumped together and spatially unpredictable hinders sea stars' predation abilities. [9] When touched, some sea pens emit a bright greenish light; this is known as bioluminescence. They may also force water out of their bodies for defence, rapidly deflating and retreating into their peduncle.
(video) Orange sea pens. Ptilosarcus gurneyi, the orange sea pen or fleshy sea pen, is a species of sea pen in the family Pennatulidae. It is native to the northeastern Pacific Ocean where it lives in deep water anchored by its base in sand or mud. It has received its common name because of its resemblance to a quill in a bottle of ink.
Ascidiacea, commonly known as the ascidians or sea squirts, is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders. [2] Ascidians are characterized by a tough outer test or "tunic" made of the polysaccharide cellulose .
The test lacks its velvet-like skin of spines and has often been bleached white by sunlight. To beachcombers of the past, this suggested a large, silver coin, such as the old Spanish dollar, which had a diameter of 38–40 mm. Other names for the sand dollar include sand cakes, pansy shells, snapper biscuits, cake urchins, and sea cookies. [3]
Viola tricolor is a common European wild flower, growing as an annual or short-lived perennial.The species is also known as wild pansy, Johnny Jump up (though this name is also applied to similar species such as the yellow pansy), heartsease, heart's ease, heart's delight, tickle-my-fancy, Jack-jump-up-and-kiss-me, come-and-cuddle-me, three faces in a hood, love-in-idleness, and pink of my john.
The white outer lip is sometimes checkered with brown patches. The inside of the shell is chocolate brown. The width of the shell ranges from 10 to 12 millimetres ( 3 ⁄ 8 to 1 ⁄ 2 in) at maturity, [ 4 ] with an average length of 16 to 38 mm ( 5 ⁄ 8 to 1 + 1 ⁄ 2 in).
Jorunna parva, commonly known as the sea bunny, is a species of dorid nudibranch, a shell-less marine gastropod mollusc in the family Discodorididae. The species was first described by Kikutaro Baba. [2] Its resemblance to a rabbit facilitated a surge in popularity on Twitter throughout Japan in 2015. [3]