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Babosa de mar (Pteraeolidia semperi), Anilao, Filipinas, 2023-08-23, DD 94
2023-08-23
- Classification
- Photograph
- Museum
- Wikimedia Commons
- Rights
- CC BY-SA 4.0, as the museum states it.
- Who can see it
- Teens profiles and older: its museum says too little about what it shows to place it for younger viewers. How works are placed
About this work
Blue dragon (Pteraeolidia semperi), Anilao, Philippines. This sea slug, of a maximal length of about 21 centimetres (8.3 in), is widespread throughout the Indo-Pacific and can be fount at a depth of up to 30 metres (98 ft). Pteraeolidia has evolved a method of capturing and farming microscopic plants (zooxanthellae) in its own body. The plants flourish in this protected environment and as they convert the sun's energy into sugars, they pass a significant proportion on to the nudibranch for its own use. The slug gains enough photosythetically derived sugars to sustain it without feeding.
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