Sea slugs (Family Onchidae)
Onchs are gastropods but lack shells. Their gills are modified for breathing air.
They are hermaphrodites with complicated reproductive
organs to ensure cross- but not self-fertilisation.
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Sea slugs (Family Onchidae) Onchs are gastropods but lack shells. Their gills are modified for breathing air. They are hermaphrodites with complicated reproductive organs to ensure cross- but not self-fertilisation. |
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