![SPANISH SHAWL NUDIBRANCHFlabellina iodinea©Steven TramoffThe Spanish shawl is a species of aeolid nudibranch, a very colorful sea slug. This is a marine gastropod mollusk in the family Flabellinidae.
This species is native to the west coast of North America and further south.
This nudibranch displays a stunning set of colors: the body is purple, the cerata are orange and the rhinophores are scarlet. The neon orange appendages on the back of Flabellina iodinea are the cerata which extract oxygen from the sea water they live in. The cerata are also extensions of the digestive system, and are used to store the stinging cells of the anemones and fan-like hydroids they eat. 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.[2]
Scientists guess the reason why the Spanish Shawl’s gills are orange is so they can camouflage with their prey while they are eating. The orange gills on their backs are also a warning to potential predators. The color tells their predators that they are either poisonous or distasteful.
Spanish shawls are hermaphrodites, which means they have both male and female sex organs. However, self-fertilisation very rarely occurs. When threatened by other predators, they can gracefully move away by flexing their body strongly and pushing off from the substrate and into midwater. Source
Other posts:
Blus Dorid Nudibranch
Blue-tipped Nudibranch
Blue-Dorid Nudibranch
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belas-fotos2:
old man sea slug / lesma do mar velhote](http://25.media.tumblr.com/tumblr_lssliiIdqX1r4r7pyo1_500.jpg)
SPANISH SHAWL NUDIBRANCH
Flabellina iodinea
©Steven Tramoff
The Spanish shawl is a species of aeolid nudibranch, a very colorful sea slug. This is a marine gastropod mollusk in the family Flabellinidae.
This species is native to the west coast of North America and further south.
This nudibranch displays a stunning set of colors: the body is purple, the cerata are orange and the rhinophores are scarlet. The neon orange appendages on the back of Flabellina iodinea are the cerata which extract oxygen from the sea water they live in. The cerata are also extensions of the digestive system, and are used to store the stinging cells of the anemones and fan-like hydroids they eat. 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.[2]
Scientists guess the reason why the Spanish Shawl’s gills are orange is so they can camouflage with their prey while they are eating. The orange gills on their backs are also a warning to potential predators. The color tells their predators that they are either poisonous or distasteful.
Spanish shawls are hermaphrodites, which means they have both male and female sex organs. However, self-fertilisation very rarely occurs. When threatened by other predators, they can gracefully move away by flexing their body strongly and pushing off from the substrate and into midwater. Source
Other posts:
—-
old man sea slug / lesma do mar velhote
(Source: belas-fotos, via thewildlifekingdom)
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Looks like a Pokemon to me haha!
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