APHOTOMARINE

An educational resource dedicated mainly to the photography
and diversity of marine life that can be found in coastal waters
and intertidal areas of Great Britain and Ireland by David Fenwick.

A-P-H-O-T-O Wildlife Stock Image Library
Acanthodoris pilosa (Abildgaard in Müller, 1789) - Thorny doris (Sea Slugs)
Thorny doris
Acanthodoris pilosa
- dorsal view 1

Thorny doris
Acanthodoris pilosa
- dorsal view 2

Thorny doris
Acanthodoris pilosa
- dorsal view of pair 1

Thorny doris
Acanthodoris pilosa
- dorsal view, specimen with Splanchnotrophus gracilis 1

Thorny doris
Acanthodoris pilosa
- dorsal view 3

Thorny doris
Acanthodoris pilosa
- dorsal view 4

Thorny doris
Acanthodoris pilosa
- rhinophore 1

Thorny doris
Acanthodoris pilosa
- rhinophore 2

Thorny doris
Acanthodoris pilosa
- gills 1

Thorny doris
Acanthodoris pilosa
- dorsal surface detail 1

Thorny doris
Acanthodoris pilosa
- egg laying / with spawn coil 1

Thorny doris
Acanthodoris pilosa
- egg laying / with spawn coil 2

Thorny doris
Acanthodoris pilosa
- three specimens under rock 1

Thorny doris
Acanthodoris pilosa
- radular teeth 1

Thorny doris
Acanthodoris pilosa
- radular teeth 2

Thorny doris
Acanthodoris pilosa
- habitat / location 1

Five specimens above were found under rocks in a large shallow middleshore pool in front of Newlyn Green, Newlyn, Cornwall, 30.10.18. Two of the specimens were spawning and one specimen was infected by the endoparasitic copepod Splanchnotrophus gracilis.

Thorny doris
Acanthodoris pilosa
- top view 1

Thorny doris
Acanthodoris pilosa
- top view 2

Thorny doris
Acanthodoris pilosa
- in rockpool 1

Thorny doris
Acanthodoris pilosa
- in rockpool 2

Thorny doris
Acanthodoris pilosa
- in rockpool 3

Thorny doris
Acanthodoris pilosa
- in rockpool 4

Thorny doris
Acanthodoris pilosa
- in rockpool 5

Thorny doris
Acanthodoris pilosa
- in rockpool 6

Thorny doris
Acanthodoris pilosa
- in rockpool 7

Thorny doris
Acanthodoris pilosa
- in rockpool 8

Thorny doris
Acanthodoris pilosa
- in rockpool close-up 1

Thorny doris
Acanthodoris pilosa
- in pool / foot 1

Thorny doris
Acanthodoris pilosa
- egg masses 1

Thorny doris
Acanthodoris pilosa
- rhinophore 1

Thorny doris
Acanthodoris pilosa
- rhinophore 2

Thorny doris
Acanthodoris pilosa
- central dorsal surface 1

Thorny doris
Acanthodoris pilosa
- dorsal surface 1

One of the more common sea slugs to be found on the south coast of Devon and Cornwall; images taken at a wide variety of locations, these include Wembury, Spit Point near St. Austell, and Newlyn.

Dark form featured here found with egg mass, under two layers of rocks, in an underboulder pool at Sennen Cove, Cornwall. 16.06.14.

Scientific and European Names:
Acanthodoris pilosa, Thorny doris, Hairy sea lemon, Gestachelte doris, Stekeldoris, Doris epineux, Doris espinoso.

APHOTOMARINE supports open source data recording and sharing for the benefit of wildlife, recorders, research, science and education. The project recommends the following websites and works with the following bodies and organisations.

Conchological Society of Great Britain and Ireland

The Conchological Society of Great Britain and Ireland
Helping to understand, identify, record, and conserve molluscs.

Marine Biological Association MBA

The Marine Biological Association or MBA, based in Plymouth, is one of the world’s longest-running societies dedicated to promoting research into our oceans and the life they support. Since 1884 the MBA has been providing a unified, clear, independent voice on behalf of the marine biological community.It has a growing membership in over 40 countries.

NBN National Biodiversity Network

The National Biodiversity Network or NBN is a charity that supports open source data sharing and recording supporting conservation, science and education. "Why do recorders need open source?". Simply because it supports the core values of wildlife recording and the free use of records and data over a very wide network that includes partners like the Natural History Museum.

The taxonomy used here is based on that of the following database, which is also used by the MBA, NHM and the NBN.

World Register of Marine Species or WoRMS

The World Register of Marine Species or WoRMS.

Acanthodoris pilosa Thorny doris or Hairy sea lemon Sea Slug Images
The main objective of this website is in furthering environmental awareness and education through the medium of photography. To increase awareness and access to the wildlife of the region and help
people find and identify it. Sometimes the difference between species is obvious but many species can only be determined by observing microscopic characteristics that are specific to any one species.