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
Dasya sessilis Yamada, 1928 - A Red seaweed - "species requiring verification"
Scroll down and rollover titles to change screen image or click on title to view image.
Red seaweed
Dasya sessilis
- tip of branch 1

Red seaweed
Dasya sessilis
- tip of branch 2

Red seaweed
Dasya sessilis
- tetrasporangial stichidia 1

Red seaweed
Dasya sessilis
- tetrasporangial stichidia 2

Red seaweed
Dasya sessilis
- tetrasporangial stichidia 3

Species found on pontoon at Newlyn Marina, Newlyn Harbour, Newlyn, Cornwall. 02.11.14.

PAGE UPDATE 05.11.15.

It is very likely the specimen here is a species called Dasya sessilis, a non-native species from Japan. The find needs to be verified but if it is then this will be a new UK record. The species is already found in Spain, Portugal and France.

I'd like to thank Mike Wilcox for drawing my attention to the possibility. On sending images to various algae experts across Europe and the USA, their opinion was the same. Attempts will be made to re-find the species at Newlyn for verification in the USA.

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.

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.

AlgaeBase

AlgaeBase is a database of information on algae that includes terrestrial, marine and freshwater organisms.

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.