I saw it frequently in Hormuz Island in the Persian Gulf that Pina bivalve lives besides Carpet anemone. I attached one of my picture.
I have seen this symbiotic in consecutive years in a specific area, I do not think it is random occurrence. I wonder if this coexistence has been observed in other regions of the world, or not?
As far as I recall, there is nothing like this in the literature. I am familiar with Pinna nobilis in the Mediterranean, and think there still is a lot to be learned about hte ecological relationshps of these bivalves. In your case, both bivalve and anemone benefit from small-scale turbulence in water flow. In your picture one can see some seagrass, so this habitats must be intertidal, possibly subject to currents. As a first step, I suggest you count how many times you see Pinna alone, anemone alone, and both together. If possible, map the occurrence of Pinna and anemone in a grid area large enough to have about 30 specimens of each species, along with habitat variables sucha as depth, seagrass cover, type of substrate… This is very interesting indeed!
ِِDear Cristian
Thank you for the information.So, this is a new subject for study.
Jafali, how long you have been observing this association (ask the older people)? perhaps recently events or you are recently in the area? can be a kind of response of any kind of perturbation for ecological mutual interest. You know that mostly Pinna have inside a crustacean living, so you have more roles. interesting!
Dear Rui
I go every year to the island of Hormuz and in the last three years I've been seeing this story
I have conducted population surveys of carpet anemone, Stichodactyla helianthus, colonies in the US and British Virgin Islands (Caribbean) and have never noticed this association. I generally find S. helianthus on coral rubble or volcanic rock substrate and our local sea pens, Pinna carnea, in seagrass-sandy substrate. I will be doing surveys again this summer and will keep an eye open and keep you posted.
Jafari maybe you have juice there for a original article in a top rated ecological journal
Thanks dear Amber about your good information.
I'd be delighted if we share information with each other about this topic and compare the behavior of these organisms in a different area offer.
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