Orange Montastrea cavernosa recruits?
kenyon_b_mobley at gasou.edu
Wed Jul 26 10:18:47 EDT 2000
Have you ever witnessed fluorescence in non-symbiotic corals and anemones
such as Tubastrea? I'm interested to know if this is a symbiont-related
At 09:57 PM 7/25/00 -0400, you wrote:
>Just a quick offer to those interested parties.
>Aquarists use actinic bulbs on reef aquaria, and a large portion of these
>bulbs spectra is in the near-UV spectrum, and thus fluorescence is very
>obvious in many hundreds of species.
>Orange is a fairly common fluorescent color in Faviids, in general, and also
>fairly common in Zoanthus sociatus. I am sure other aquarists on this list
>could offer the same, but I'd be happy to relate on the fluorescence of any
>of hundreds of scleractinians, octocorals, corallimorpharians, zoantharians,
>actinarians. It is very limiting to seek out fluorescence underwater, but a
>quick trip to a coral facility or any well stocked aquarium at "simulated
>dusk and dawn" will quickly reveal the patterns, colors, and variations of
>these pigments in a slew of taxa. No, it does not appear to stress related
>at all, at least in captive species. For at least GFP, and seemingly for
>other colors, increasing irradiance will cause its production in almost all
>cases, and increase the fluorescence of those which already have it - even in
>corals one might not expect to see fluoresce at all, such as Sarcophyton spp.
Kenyon B. Mobley
Georgia Southern University
Department of Biology
Statesboro, GA 30460-8042
Office (912) 681-5963
Fax: (912) 681-0845
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