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
Hancockia uncinata (Hesse, 1872) - A Sea slug (Sea slug images)
Scroll down and rollover titles to change screen image or click on title to view image.
Sea slug
Hancockia uncinata
- dorsal view (Lesceave) 1

Sea slug
Hancockia uncinata
- dorsal view (Lesceave) 2

Sea slug
Hancockia uncinata
- cnidosacs 1

Specimen above was found at Lesceave, Praa Sands, near Helston, Cornwall, 02.11.20.

Sea slug
Hancockia uncinata
- specimen one / dorsal view 1

Sea slug
Hancockia uncinata
- specimen two 1

Sea slug
Hancockia uncinata
- specimen two 2

Sea slug
Hancockia uncinata
- specimen one / cerata 1

Sea slug
Hancockia uncinata
- specimen one / ceras 1

Sea slug
Hancockia uncinata
- ceras with cnidosacs 1

Sea slug
Hancockia uncinata
- rhinophore 1

Sea slug
Hancockia uncinata
- oral lobe with papillae 1

Sea slug
Hancockia uncinata
- specimen one / lateral view 1

Sea slug
Hancockia uncinata
- specimen one lateral view 2

The specimens above were found on its food source, the hydroid Clytia hemisphaerica, at Newlyn Marina, Newlyn, Cornwall. 18.05.17. Specimen One was a fully mature adult approx. 14mm.

Sea slug
Hancockia uncinata
- dorsal view 1

Sea slug
Hancockia uncinata
- dorsal view 2

Sea slug
Hancockia uncinata
- rhinophore 1

Sea slug
Hancockia uncinata
- rhinophore 2

Sea slug
Hancockia uncinata
- cerata 1

Sea slug
Hancockia uncinata
- cerata 2

Sea slug
Hancockia uncinata
- hand-like oral lobes 1

Sea slug
Hancockia uncinata
- hand-like oral lobes 2

Specimen above was found in sediment after washing hydroid and sediment covered large brown algae in a bucket of water. Specimen found at Newlyn Marina, Newlyn, Cornwall. 12.08.15.

Sea slug
Hancockia uncinata
- lateral view 1

Sea slug
Hancockia uncinata
- lateral view 2

Specimens above found amongst a sample of fouling taken from the side of a pontoon at Mylor Marina, Mylor Churchtown, near Penryn, Cornwall. 12.10.15.

Sea slug
Hancockia uncinata
- juvenile dorsal view 1

Sea slug
Hancockia uncinata
- juvenile dorsal view 2

Sea slug
Hancockia uncinata
- juvenile dorsal view 3

Sea slug
Hancockia uncinata
- juvenile lateral view 1

Sea slug
Hancockia uncinata
- juvenile dorsal view 4

Sea slug
Hancockia uncinata
- with 0.1mm division rule 1

Specimen above, a 2-3mm juvenile, was found on the non-native red algae Pikea californica which was covered with the hydroid Clytia hemisphaerica, the sea slugs food. Specimen found at Newlyn Marina, Newlyn, Cornwall. 23.07.15.

Sea slug
Hancockia uncinata
- dorsal view 3

Sea slug
Hancockia uncinata
- spawn coil 1

Specimen above found on red algae collected subtidally at Battery Rocks, Penzance, Cornwall, 06.10.17.

Hancockia uncinata 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.