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Porpita porpita, or the blue button, is a marine organism consisting of a colony of hydroids [2] found in the warmer, tropical and sub-tropical waters of the Pacific, [3] Atlantic, and Indian oceans, as well as the Mediterranean Sea and eastern Arabian Sea. [4] It was first identified by Carl Linnaeus in 1758, under the basionym Medusa porpita.
The most common species of this genus is the Porpita porpita, more commonly known as the "Blue Button Jellyfish." Often washing up on the coast of Florida, these particular hydrozoans do not possess a significant sting. Beachgoers that have come across them often say the sting is very minimal, if noticeable at all.
Velella velella on the southern coast of Sicily. The tiny individual animals are specialized to perform specific tasks; some form the central gas-filled disc (which is a golden brown colour and hardened by chitinous material) essential to keeping the colony afloat; others form radiating tentacles for tasks such as catching prey, reproduction, and digestion.
It's A Blue Button Jellyfish. Image credits: SweetDiddy #26 I Found Whale Baleen On The Beach. Image credits: Mxzebraxdude #27 Poison Bottle I Found On The Beach. Image credits: JP51MW
As if sharks, jellyfish and stingrays weren't enough to worry about at the beach. Now Texans can add fireworms to the mix.. A few of the unusual and poisonous marine critters were spotted along ...
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(jellyfish) Velella, Porpita, Physalia, and Actinecta. Numerous floating cnidarians (jellyfish) live at the ocean's surface, some famous (or infamous) and others rarely seen. Species like Velella sp. (by-the-wind sailor) and Porpita sp. (blue button) are central to the surface food web. They possess symbiotic dinoflagellates in their tissue ...
Bright blue ‘buttons’ washing up on Texas coast, photos show. But don’t press them. Iconic swimming hole is drying up in Texas. ‘Maybe our tears will fill the well’ ...