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Velella. Velella is a monospecific genus of hydrozoa in the Porpitidae family. Its only known species is Velella velella, [ 2] a cosmopolitan (widely distributed) free-floating hydrozoan that lives on the surface of the open ocean. It is commonly known by the names sea raft, by-the-wind sailor, purple sail, little sail, or simply Velella.
Distribution and habitat. Glaucus atlanticus is the blue sea slug shown here out of water on a beach, and thus collapsed; however, touching the animal directly with your skin can result in a painful sting, with symptoms similar to those caused by the Portuguese man o' war. The slug in the water.
Variations in colours of "Tyrian purple" from different snails are related to the presence of indigo dye (blue), 6-bromoindigo (purple), and the red 6,6'-dibromoindigo. Additional changes in colour can be induced by debromination from light exposure (as is the case for Tekhelet ) or by heat processing. [ 36 ]
The bluespotted ribbontail ray ( Taeniura lymma) is a species of stingray in the family Dasyatidae. Found from the intertidal zone to a depth of 30 m (100 ft), this species is common throughout the tropical Indian and western Pacific Oceans in nearshore, coral reef -associated habitats. It is a fairly small ray, not exceeding 35 cm (14 in) in ...
Calycophorae. Cystonectae. Physonectae. Synonyms. Siphonophora Eschscholtz, 1829. Siphonophorae (from Greek siphōn 'tube' + pherein 'to bear' [ 2]) is an order within Hydrozoa, which is a class of marine organisms within the phylum Cnidaria. According to the World Register of Marine Species, the order contains 175 species described thus far.
Sea urchins or urchins ( / ˈɜːrtʃɪnz /) are typically spiny, globular animals, echinoderms in the class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal to 5,000 metres (16,000 ft; 2,700 fathoms). [ 1] Their tests (hard shells) are round and spiny, typically from 3 to 10 cm (1 to 4 ...
Janthina vulgaris Gray, 1847. Janthina janthina is a species of holoplanktonic sea snail, a marine gastropod mollusk in the family Epitoniidae. Its common names include violet sea-snail, common violet snail, large violet snail and purple storm snail. [2] Exhibit of Janthina janthina at Manchester Museum.
Description. The magnificent sea anemone is characterized by a flared oral disc, which reaches between 20 and 50 cm in diameter, but in some specimens, this can reach 1 m. [ 1] The oral disc, the base of the tentacles, and the oral orifice have the same color, going from light beige to white. The numerous tentacles exceed 8 cm long.