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The internal structure of a sea anemone consists of the contracting muscles, the gonads, the acontial filaments, and the ostium. The retracting muscles consist of simple longitudinal fibers that contract to move the anemone vertically. The sphincter muscles allow the tentacles to close over the oral disk. The gonads can be found in the mesentery.
Retracting muscles 4. Gonads 5. acontial filaments 6. Pedal disk 7. Ostium 8. Coelenteron 9. Sphincter muscle 10. Mesentery 11. Column 12. Pharynx. A typical sea anemone is a sessile polyp attached at the base to the surface beneath it by an adhesive foot, called a basal or pedal disc, with a column-shaped body topped by an oral disc. Most are ...
A number of sea anemone species are commensal with other organisms. Certain crabs and hermit crabs seek out sea anemones and place them on their shells for protection, and fish, shrimps and crabs live among the anemone's tentacles, gaining protection by being in close proximity to the stinging cells.
Also, hydrostatic nature is common in marine life such as jellyfish and sea anemones. Earthworms have rings of muscles that are filled with fluid, making their entire body hydrostatic. A sea anemone has a hydrostatic head, with arms radiating out around the mouth. This structure is helpful in feeding and locomotion. [5]
Located along the eastern coast of the U.S., with a few introduced populations scattered along the western U.S. coast and the southeast coast of Britain, this sea anemone is a member of the sea ...
Edwardsiella lineata, the lined anemone, is a species of sea anemone in the family Edwardsiidae. It is native to the northwestern Atlantic Ocean where it occurs in the subtidal zone. It is native to the northwestern Atlantic Ocean where it occurs in the subtidal zone.
Anenthemonae is a suborder of sea anemones in the order Actiniaria. It comprises those sea anemones with atypical arrangement of mesenteries for actiniarians. [1] Superfamilies and families in the suborder Anenthemonae include: [1] Superfamily Actinernoidea Stephenson, 1922. Actinernidae Stephenson, 1922; Halcuriidae Carlgren, 1918
Like many creatures living in the midnight zone, the sea anemone produces its own light. This is in the form of a bioluminescent mucus that it emits. The glow helps to attract prey which notices ...