Nick Upton / 2020VISION / Black slug (Arion ater), brown form, crawling over patio after rain, with house and garden bench in the background, Wiltshire, UK, July . Property released.
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Martin Dohrn / Red forms of Black slug {Arion ater} mating, Northern Italy, Europe
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Jason Smalley / Close-up of Slug {Arion ater rufus} feeding on leaf, UK
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Nick Upton / Violet ground beetle (Carabus violaceus) attacking a small Grey field slug / Netted slug (Deroceras reticulatum), Hertfordshire garden, UK, August.
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Chris Mattison / Black Slug (Arion ater) grey form. Yorkshire, UK, September.
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David Woodfall / Black slug feeding on grasses in early morning dew, Gilfach Nature Reserve, Radnorshire Wildlife Trust, Powys, Wales, UK
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Piotr Naskrecki / Cup Moth (Limacodidae) caterpillars, Sipaliwini, Surinam
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Piotr Naskrecki / Cup Moth (Limacodidae) caterpillars in rainforest, Sipaliwini, Surinam
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Rod Williams / Black slug (Arion ater) orange form on leaf, South London, UK, September
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Rod Williams / Black slug (Arion ater) orange form on leaf, South London, UK, September
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Nick Upton / 2020VISION / Black slug (Arion ater), brown form, crawling over patio after rain, with house and garden bench in the background, Wiltshire, UK, July . Property released.
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Alex Hyde / European black slugs (Arion ater) brown variety, mating on leaf litter, Midi-Pyrenees, France. August.
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Juergen Freund / RF- Nudibranch (Jorunna funebris) feeding on its preferred sponge. Kimbe Bay, West New Britain, Papua New Guinea. (This image may be licensed either as rights managed or royalty free.)
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Simon Colmer / Portrait of Black slug, (Arion ater) white form, England, UK
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SINCLAIR STAMMERS / Black keel back slug (Limax cinereoniger) Carmarthenshire, Wales, UK
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SINCLAIR STAMMERS / Black keel back slug (Limax cinereoniger) Carmarthenshire, Wales, UK
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Mark Bowler / Common black slug (Arion ater) orange blonde or white form
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Mark Bowler / Common black slug (Arion ater) brown form on lettuce
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Mark Bowler / Common black slug (Arion ater) white, orange or blonde form
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Mark Bowler / Common black slug (Arion ater) brown form
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Mark Bowler / Great black slug (Arion ater) brown form, viewed from above
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Mark Bowler / Common black slug (Arion ater) brown form on lettuce
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Mark Bowler / Great black slug (Arion ater) brown form
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Sebastian Kennerknecht / California Mussel (Mytilus californianus) clusters, Barnacles (Balanus sp), Black Turban Snails (Tegula funebralis), Rockweed (Fucus sp), and Sea Lettuce (Ulva sp) in high tide zone, Santa Cruz, Monte...
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Fred Bavendam / Black Velutinid (Coriocella nigra) nudibranch, Manado, Sulawesi, Indonesia
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Michele Westmorland / Nudibranch {Jorunna funebris} House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea
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Georgette Douwma / Nudibranch {Armina semperi} Rinca, Indonesia
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Philippe Clement / Black slug {Arion ater} eating Russula toadstool, Belgium
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Philippe Clement / Black slug, orange form {Arion ater} La Brenne, France
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GEORGETTE DOUWMA / Great black / Large red slug (Arion ater) Various colour forms: orange-red commonest in south and in gardens while black form prevails in north and upland areas. UK
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GEORGETTE DOUWMA / Great black / Large red slug (Arion ater) Various colour forms: orange-red commonest in south and in gardens while black form prevails in north and upland areas. UK
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Michael Hutchinson / Large Black Slug {Arion ater} hanging from grass by slime after slipping off the tip, Bristol, UK
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Michael Hutchinson / Large Black Slug {Arion ater} on grass seed head, Bristol, UK
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Michael Hutchinson / Large Black Slug {Arion ater} attached to grass by slime, Bristol, UK
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Michael Hutchinson / Large Black Slug {Arion ater} attached to grass by slime, Bristol, UK
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Nigel Bean / Black slugs mating {Arion ater} UK
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Nigel Bean / Black slugs mating {Arion ater} UK
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Kim Taylor / Black slug, orange form {Arion ater} showing spiracle, UK.
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Michael Hutchinson / Black slug, red form {Arion ater} England
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Fred Bavendam / Cowry (Phenacovolva gracilis) living on a colony of Black Coral (Antipathes sp), Bali, Indonesia
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Fred Bavendam / Cowry (Phenacovolva gracilis) pair living on a colony of Black Coral (Antipathes sp), Bali, Indonesia
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PREMAPHOTOS / Black slugs mating {Arion ater} red form, England. Hermaphrodite
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Adrian Davies / Black slugs (Arion ater) mating. England, UK, Europe
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Fred Bavendam / Black Egg Cowry (Ovula ovum) feeding on a colony of Leather Coral (Sarcophyton sp) on a shallow reef, Manado, North Sulawesi
