This species was found to cause blooming in the Mediterranean sea. This species was blooming in the Mediterranean, turning the water brown.
Photos are not very clear, but it is a dinoflagellate, possibly Gymnodinium. Can also be Akashiwo.
The images are not clear. But it looks like Gymnodinium sanguineum.
yes, definitely Akashiwo sanguinea.
A bit more microscopical skills would indeed improve id problem solving greatly. Common problem in this section, unfortuately.
It is Gymnodinium sanguineum (Hirasaka 1922) of dinoflagellates
Mohamed:
Have a look at this link for bloom dynamics of Akashiwo sanguinea:
https://ir.library.oregonstate.edu/xmlui/bitstream/handle/1957/52150/WhiteAngelicqueCEOASLarge-ScaleBloom.pdf?sequence=1
Best
Syed
Dear Mohamed:
I coincide with previous researchers about the specimens showed in your picture is Aksahiwo sanguinea.
See this link http://www.sms.si.edu/irlspec/Akashi_sangui.htm
It may be useful for you.
Kind regards.
Eugenia
Dear Mohamed, as others have stated this is indeed A.sanguinea (also known as Gymnodinium sanguineum ). It is thought to be a non-toxic dinoflagellate but it has been implicated in seabird deaths (see Jessop et al. 2009).
Jessup DA, Miller, MA, Ryan, JP, Nevins, HM, Kerkering, HA et al. 2009. Mass stranding of marine birds caused by a surfactant-producing red tide. PLoS ONE 4: e4550. doi:10.1371/journal.pone.0004550.
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