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When borne by the red, white, and blue. 𝄆 When borne by the red, white, and blue. 𝄇 The Army and Navy for ever, Three cheers for the red, white and blue. The star spangled banner bring hither, O'er Columbia's true sons let it wave; May the wreaths they have won never wither, Nor its stars cease to shine on the brave. May thy service ...
Polycera tricolor, commonly known as the three-color polycera, [2] is a species of sea slug, a nudibranch, a shell-less marine gastropod mollusc in the family Polyceridae. It occurs in the Pacific Northwest , ranging from southern Alaska southward to northern Mexico, at depths down to about 60 m (200 ft).
The red rhinophores are sensory structures used for detecting the presence of possible mates and prey. The purple, red, and orange colors are derived from a single carotenoid pigment, astaxanthin . The pigment appears in three modified states, leading to the three distinct colors.
The Wildlife Trusts’s marine review of the year reveals conservation comebacks and calls for greater protection of the waters around the UK.
The exact systematics of nudibranchs are a topic of recent revision. Traditionally, nudibranchs have been treated as the order Nudibranchia, located in the gastropod mollusc subclass Opisthobranchia (the marine slugs: which consisted of nudibranchs, sidegill slugs, bubble snails, algae sap-sucking sea slugs, and sea hares). [44]
Thecacera pennigera was described from the south coast of England. [1] It has been reported to have a cosmopolitan distribution, being found in temperate waters on either side of the North Atlantic Ocean, in the Mediterranean Sea, around South and West Africa, Brazil, Japan, Korea, Pakistan, and more recently in Australia and New Zealand. [5]
For marine scientists, it was deja vu: Another die-off swept through the region in the 1980s and slashed sea urchin populations by around 98%. Mystery solved: Scientists ID Caribbean sea urchin killer
[1] [2] Sea slugs are generally very beautifully colored organisms with intense patterns and ranging in sizes. The Chromodoris orientalis specifically is a white sea slug with black spots in no particular pattern with a yellow, orange, or brown in color ring around its whole body and on its gills. There is much discussion on where it is found ...
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