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Blue jellyfish age can be identified by color of their bell. They tend to be pale in appearance when young, but mature to have a brightly purple-blue (some yellow) colored bell. Although it is similar to the lion's mane jellyfish , the blue jellyfish is not as large, and has a translucent bell.
The hydroid colony's polyps can range from bright blue turquoise to yellow. The polyps resemble the tentacles of jellyfish. [10] [11] [full citation needed] Each strand has numerous branchlets, each of the knobs of stinging cells called nematocysts terminates at the distal end. The blue button has a single mouth located beneath the float, which ...
Glaucus atlanticus (common names include the blue sea dragon, sea swallow, blue angel, blue glaucus, dragon slug, blue dragon, blue sea slug, and blue ocean slug) is a species of sea slug in the family Glaucidae. [2]
The deep blue, by-the-wind sailors that are recognized by many beach-goers are the polyp phase of the life cycle. Each "individual" with its sail is really a hydroid colony, with many polyps that feed on ocean plankton. These are connected by a canal system that enables the colony to share whatever food is ingested by individual polyps.
Box Jellyfish. According to the National Oceanic and Atmospheric Administration the Box Jellyfish, a native of the Indo-Pacific Ocean, is the most venomous marine creature in the world. They ...
Blue gelatinous creatures known as by-the-wind sailors often wash up on California beaches by the thousands in the springtime when the ocean warms. Blue jellyfish-like critters arrive in Bay Area ...
It has numerous microscopic venomous cnidocytes which deliver a painful sting powerful enough to kill fish, and even, in some cases, humans. Although it superficially resembles a jellyfish, the Portuguese man o' war is in fact a siphonophore. Like all siphonophores, it is a colonial organism, made up of many smaller units called zooids. [10]
The box jellyfish looks ephemeral and harmless, but it is the most venomous animal in the ocean. Its sting packs a powerful punch that can stop your heart in minutes, but not before inflicting ...