The blue button has a single mouth located beneath the float, which is used for both the intake of prey and the expulsion of wastes. Each strand has numerous branchlets, each of the knobs of stinging cells called nematocysts terminates at the distal end. The hydroid colony, which can range from bright blue turquoise to yellow, resembles tentacles like those of the jellyfish. porpita organisms as well as its surroundings. The float organ is responsible for the organism’s vertical movement and also contains pores that are able to communicate with other P. The hard golden brown float is round, almost flat, and about one inch wide. The blue button can grow up to 30 mm in diameter and lives on the surface of the sea and consists of two main parts: the float and the hydroid colony.
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