Elysia viridiselysia viridis japanese, elysia viridis aquaponics
Elysia viridis, the sap-sucking slug, is a small-to-medium-sized species of green sea slug, a marine opisthobranch gastropod mollusc in the family Plakobranchidae
This sea slug resembles a nudibranch, but it is not closely related to that clade of gastropods It is instead a sacoglossan
- 1 Distribution
- 2 Description
- 3 Ecology
- 4 See also
- 5 References
- 6 External links
This species lives in the northeastern Atlantic, from Norway to the Mediterranean Sea as well as all around the South African coast It is found from the intertidal zone to a depth of about 5 m
The animal grows up to 30 mm in total length It has a smooth bright green or brown body with iridescent spots and two wing-like flaps extending along its sides These flaps are usually folded back The rhinophores are rolled
This species lives in a subcellular endosymbiotic relationship with chloroplasts derived from the alga Codium fragile These chloroplasts provide the Elysia host with the products of photosynthesis Elysia viridis feeds on Codium, and absorbs its chloroplasts The term for such an activity is kleptoplasty The slug retains the chloroplasts within in its cells in a functioning state; they apparently are physiologically important to the host In addition, the slugs likely rely on photosynthesis of the chloroplasts as an energy source, especially when other food sources are not available
The egg mass is a flat greenish coil of several turns
- Elysia chlorotica
- Elysia clarki
- ^ Zsilavecz, G 2007 Nudibranchs of the Cape Peninsula and False Bay ISBN 0-620-38054-3
- ^ RK Trench, JE Boyle and DC Smith 1973 "The Association between Chloroplasts of Codium fragile and the Mollusc Elysia viridis I Characteristics of isolated Codium chloroplasts" Proceedings of the Royal Society of London Series B, Biological Sciences 184 1074: 51–61 doi:101098/rspb19730030
- ^ RK Trench, JE Boyle and DC Smith 1973 "The Association between Chloroplasts of Codium fragile and the Mollusc Elysia viridis II Chloroplast Ultrastructure and Photosynthetic Carbon Fixation in E viridis" Proceedings of the Royal Society of London Series B, Biological Sciences 184 1074: 63–81 doi:101098/rspb19730031
- ^ RK Trench, JE Boyle and DC Smith 1974 "The Association between Chloroplasts of Codium Fragile and the Mollusc Elysia viridis III Movement of Photosynthetically Fixed 14C in Tissues of Intact Living E viridis and in Tridachia crispata" Proceedings of the Royal Society of London Series B, Biological Sciences 185 1081: 453–464 doi:101098/rspb19740029
- ^ Paulo Cartaxana, Erik Trampe, Michael Kühl & Sónia Cruz 2016 "Kleptoplast photosynthesis is nutritionally relevant in the sea slug Elysia viridis" Scientific Reports 7 doi:101038/s41598-017-08002-0 CS1 maint: Multiple names: authors list link
- ^ GOSLINER, TM 1987 Nudibranchs of Southern Africa ISBN 0-930118-13-8
- Media related to Elysia viridis at Wikimedia Commons
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