[Coral-List] zoox question

[tomascik at novuscom.net]

Hi Alex,

There are very few papers out there that actually looked at this, but 
David Krupp's paper from way back in 1983 comes to mind

(Krupp, D.A. Sexual reproduction and early development of the solitary 
coral Fungia scutaria (Anthozoa: Scleractinia). Coral Reefs 2, 159–164 
(1983). https://doi.org/10.1007/BF00336722).

When it comes to broadcast spawning corals infection with zooxanthellae 
is probably species-specific. According to Krupp (1983) Fungia scutaria 
zooxanthellae infection occurs about 5 days after spawning, but the 
planulae settle after 7 days.

I would also like to point out that even in brooding coral species 
zooxanthellae infections differ, because is some species like Porites 
porites the zooxanthellae are incorporated into eggs before the eggs are 
fertilized. In majority of other broadcast spawning corals the 
zooxanthellae infection occur after the planulae develop.  You may find 
the following papers of interest:

https://www.researchgate.net/publication/259287222_Effects_of_eutrophication_on_reef_building_corals_Part_III_Reproduction_of_the_reef_building_coral_Porites_Pallas

For an in-depth review of coral reproduction have a look at:

https://www.researchgate.net/publication/284044067_Reproduction_dispersal_and_recruitment_of_scleractinian_corals_Ecosystems_of_the_world_25_Coral_Reefs?_sg=VKL0gWBkpyL80ggOOXBsf55FyMuAaRKFhryJ6mhIH8zPi5LiOcps2LAArun2XKpjeXxrulkYVOS10il82NBaboQht0AOjvS3UoXOGxLZ.59azFiDfheRby-e4NDNo1B9xIuywgwyB9I58Uow43L0fUrYGntPKFzdLWSPxE4OVyMKkRQE9Rg0GZJiW_3SidQ

My apology if you already have these references.

Cheers
Tom

On 2021-01-05 05:30, Alex Brylske via Coral-List wrote:
> Quick question: I'm aware that brooding species of coral infect their
> larvae with zoox prior to release. But in broadcasting species are the
> zoox acquired as larvae (planulae) or only once the settle and begin
> metaphors? Or, this is a species-specific issue?
> 
> Alex
> 
> 
> Alex Brylske, Ph.D.
> President
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