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Phylum: Cnidaria: Class: ... Family: Renillidae Gray, 1870: Genus: Renilla Lamarck, 1816: Renilla is a genus of sea pen. ... Sea pansy is a common name for species in ...
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.
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 ...
Renilla muelleri (also spelled R. mulleri or R. müilleri) is a species of sea pansy.It has been reported from the Gulf Coast of the United States, notably the Florida panhandle, [2] but is also reported from the eastern coast of South America. [3]
Current events; Random article; About Wikipedia; ... Pennatulidae is a family of sea pens, a member of the subclass Octocorallia in the phylum Cnidaria.
C. rosaceus lives on the surface of sandy seabeds and is nocturnal. It feeds on fragments of dead plant material and algae particularly among seagrass plants. In the process of feeding it grinds up sand particles with its Aristotle's lantern mouthparts, and it has been estimated that it reduces 5.5 kg (12.1 lb) of coarse particles of sediment into fine particles in the course of a year.
Pleurobrachia pileus is a species of comb jelly, commonly known as a sea gooseberry. It is found in open water in the northern Atlantic Ocean , the North Sea , the Baltic Sea and the Black Sea , and was first described by the Danish zoologist Otto Friedrich Müller in 1776.