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Green Algae - Avrainvillea erecta A paddle-shaped blade (4-5cm wide), usually growing alone, sometime a few near one another. The blade is flat and not ruffled, and may be divided into four or more &#039;wings&#039;. The flexible blade is made up of a tangle of tiny filaments that give it a velvety texture. The blade is held up on a stiff stalk that may be buried in sand or wedged into crevices. The stalk can be quite long (up to 10cm long), with only a short portion sticking out above the surface. Sometimes, the single blade is divided into three or four &#039;wings&#039;. Usually dark green sometimes with pale or yellowish edges<br /> <br /> This Algae play host to several species of tiny sized Nudibranch including Shaun the Sheep Nudibranch as can be seen here :<br /> <br /> <figure class="photo"><a href="https://www.jungledragon.com/image/43424/shaun_the_sheep_nudibranch.html" title="Shaun the Sheep Nudibranch"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/2994/43424_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=Bu9abFg491UNniVvYQiWnj8n1po%3D" width="200" height="150" alt="Shaun the Sheep Nudibranch This Nudibranch is very tiny, less than 5mm in size. It is hardly possible to see the details of the eyes and cerata with the naked eyes. It is fondly called Shaun the Sheep as it supposedly looks like a Sheep grazing on grasses.<br /> <br /> There are 3 of them in this picture, the bigger one is around 5mm, making the smallest of the 3 around 2mm in size.<br /> Anilao,Batangas,Costasiella kuroshimae,Geotagged,Philippines,Shaun the Sheep,Summer,nudibranch" /></a></figure><br /> <br /> <figure class="photo"><a href="https://www.jungledragon.com/image/52269/nudibranch_-_costasiella_usagi.html" title="Nudibranch - Costasiella usagi"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/2994/52269_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=RQaOe8luOecrTmH1VnXK7zV4JkE%3D" width="200" height="152" alt="Nudibranch - Costasiella usagi This Costasiella usagi Nudibranch is tiny in size, around 3-4 mm, they probably gets to max of 5 mm.<br /> This one is a bit different from the other Costasiella species ie. Costasiella kuroshimae, the cerata are mostly white or light green in colour. However, both species can be found in the same location/dive site and on the same food source algae. However, I haven&#039;t seen them on the same piece of algae leaf yet, not surprised if they co-exist on the same host of algae which is usually just around 2-3 cm in diameter size.<br /> <br /> The tiny 2 black dots are their eyes, which are very primitive, only able to sense light. Anilao,Batangas,Costasiella usagi,Geotagged,Nudibranch,Philippines,Summer" /></a></figure> Algae,Anilao,Avrainvillea erecta,Batangas,Green Algae,Philippines Click/tap to enlarge Species introCountry intro

Green Algae - Avrainvillea erecta

A paddle-shaped blade (4-5cm wide), usually growing alone, sometime a few near one another. The blade is flat and not ruffled, and may be divided into four or more 'wings'. The flexible blade is made up of a tangle of tiny filaments that give it a velvety texture. The blade is held up on a stiff stalk that may be buried in sand or wedged into crevices. The stalk can be quite long (up to 10cm long), with only a short portion sticking out above the surface. Sometimes, the single blade is divided into three or four 'wings'. Usually dark green sometimes with pale or yellowish edges

This Algae play host to several species of tiny sized Nudibranch including Shaun the Sheep Nudibranch as can be seen here :

Shaun the Sheep Nudibranch This Nudibranch is very tiny, less than 5mm in size. It is hardly possible to see the details of the eyes and cerata with the naked eyes. It is fondly called Shaun the Sheep as it supposedly looks like a Sheep grazing on grasses.<br /> <br /> There are 3 of them in this picture, the bigger one is around 5mm, making the smallest of the 3 around 2mm in size.<br /> Anilao,Batangas,Costasiella kuroshimae,Geotagged,Philippines,Shaun the Sheep,Summer,nudibranch


Nudibranch - Costasiella usagi This Costasiella usagi Nudibranch is tiny in size, around 3-4 mm, they probably gets to max of 5 mm.<br /> This one is a bit different from the other Costasiella species ie. Costasiella kuroshimae, the cerata are mostly white or light green in colour. However, both species can be found in the same location/dive site and on the same food source algae. However, I haven't seen them on the same piece of algae leaf yet, not surprised if they co-exist on the same host of algae which is usually just around 2-3 cm in diameter size.<br /> <br /> The tiny 2 black dots are their eyes, which are very primitive, only able to sense light. Anilao,Batangas,Costasiella usagi,Geotagged,Nudibranch,Philippines,Summer

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The Avrainvillea erecta

Avrainvillea erecta is a species of Green Algae from the family of Dichotomosiphonaceae.

Info 2 0
Similar species: Bryopsidales
Species identified by Albert Kang
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By Albert Kang

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Uploaded Jun 28, 2020. Captured May 6, 2019 12:09.
country flag of Philippines Explore Philippines 3,104 1,903 0
  • TG-5
  • f/6.3
  • 1/200s
  • ISO400
  • 18mm