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
Laminaria digitata, Oarweed, frond base galled by unknown agent, Penzance, 31.10.16. (Algal gall images)
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Galling agent (unknown)
Laminaria digitata
- galls at base of blade 1

Galling agent (unknown)
Laminaria digitata
- galls at base of blade 2

Galling agent (unknown)
Laminaria digitata
- gall 1

Galling agent (unknown)
Laminaria digitata
- gall 2

Galling agent (unknown)
Laminaria digitata
- gall 3

Galling agent (unknown)
Laminaria digitata
- gall 4

Specimens above were found at the base of the blade of Kelp / Oarweed, Laminaria digitata, at Battery Rocks, Penzance, Cornwall. 31.10.16.

Material has been kindly examined for the presence of a marine fungi by Prof. Gareth Jones. The gall is not caused by a fungal agent.

Please note the small round brown globules are a juvenile stage of the brown algae Oyster Thief.

Laminaria digitata Oarweed frond base galled hyperplasia by unknown agent Penzance Algal Gall 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.