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Are corals really strictly carnivorous?
"Jaime R-S" wrote in message . ..
I don't know how will you understand that corals are CARNIVOROUS and don't eat the algae. Are you 100% sure this statement is correct for ALL known corals ? And one more thing, how do you define "don't eat the algae" ? Do you really mean strict 0% of any coral diet is algae ? Yes, the algae's, and any plant for that matters, production is fixed on its leaves. That is the reason why the coral CAN'T benefit from the algae's production. Even more interesting... Could you please provide me with some paper elaborating on this subject ? Light down there uses no BALLAST OR EXPENSIVE FIXTURES. It is just natural sunlight, the same one that can be reproduce in your living room with inexpensive lights. Of course, if you want it to look pretty, the $500 investment is worst it. But please, don't tell anyone that those lights are needed other than for aesthetic purposes'. Except scientific facilities, most of the fish tanks are kept just for the aesthetic purposes, so I am not sure what is the problem... The statement about "reproducing sunlight with inexpensive lights" is quite peculiar... |
Are corals really strictly carnivorous?
Hold on there guy ... Did you try Google first or are you just trying to
stir the pot because Jaime and Wayne need a pair of big puffy boxing gloves. I found this. Your one question interested me once I cut through the who is the marine bio guy and who is the whatever guy. Corals What they can get from their algae cannot satisfy all their needs. In fact, corals are basically carnivorous. They catch tiny animals from seawater and swallow them. That is their main food. What they get from the algae is only supplementary. http://www.nio.org/the_seas/around_us/corals/chap1.htm Soooo... Coral is made by millions of tiny carnivorous (meat eating) animals called polyps. Polyps live in groups called colonies.The polyp consists of a stomach and a mouth at one end. The mouth is surrounded by a number of tentacles. These tentacles resemble feet, which is how they get their name: 'polyp' is a Greek word meaning 'many feet.' The tentacles are covered with tiny stinging cells,and when a small creature brushes against the tentacles, it is killed. The prey is then brought into the stomach to be digested. Sounds like the king of the micro jungle to me. Thanks for making me learn something tonight. Now play nice ! Chris "Pszemol" wrote in message ... "Jaime R-S" wrote in message . .. I don't know how will you understand that corals are CARNIVOROUS and don't eat the algae. Are you 100% sure this statement is correct for ALL known corals ? And one more thing, how do you define "don't eat the algae" ? Do you really mean strict 0% of any coral diet is algae ? Yes, the algae's, and any plant for that matters, production is fixed on its leaves. That is the reason why the coral CAN'T benefit from the algae's production. Even more interesting... Could you please provide me with some paper elaborating on this subject ? Light down there uses no BALLAST OR EXPENSIVE FIXTURES. It is just natural sunlight, the same one that can be reproduce in your living room with inexpensive lights. Of course, if you want it to look pretty, the $500 investment is worst it. But please, don't tell anyone that those lights are needed other than for aesthetic purposes'. Except scientific facilities, most of the fish tanks are kept just for the aesthetic purposes, so I am not sure what is the problem... The statement about "reproducing sunlight with inexpensive lights" is quite peculiar... |
Are corals really strictly carnivorous?
To be 100% sure of anything about corals is to be a fool.
Polyps are basically carnivorous, lets say 95%. They may feed on algae debris floating around. Their digestive system are completely capable of digesting and utilizing some vegetation but is by chance not by choice. Now, as far as using the zooxantell within, that is impossible. First, the algae is not even close to its digestive system, therefor, It can´t be digested. Second, the algae produces vegetative living matter out of sunlight and incorporates it to its own body which, as I said, is AWAY FROM THE DIGESTIVE SYSTEM of the polyp. Third, the algae may and will utilize digested residoir from the polyp´s meal after it enters the polyp´s body. With those macromolecules the algae produces carbonates that the polyp can use for skeleton building. Your buddy here tried to say that corals utilized algae for food. That was a barbaric statement and I corrected him. Enough is enough... jrs "Pszemol" wrote in message ... "Jaime R-S" wrote in message . .. I don't know how will you understand that corals are CARNIVOROUS and don't eat the algae. Are you 100% sure this statement is correct for ALL known corals ? And one more thing, how do you define "don't eat the algae" ? Do you really mean strict 0% of any coral diet is algae ? Yes, the algae's, and any plant for that matters, production is fixed on its leaves. That is the reason why the coral CAN'T benefit from the algae's production. Even more interesting... Could you please provide me with some paper elaborating on this subject ? Light down there uses no BALLAST OR EXPENSIVE FIXTURES. It is just natural sunlight, the same one that can be reproduce in your living room with inexpensive lights. Of course, if you want it to look pretty, the $500 investment is worst it. But please, don't tell anyone that those lights are needed other than for aesthetic purposes'. Except scientific facilities, most of the fish tanks are kept just for the aesthetic purposes, so I am not sure what is the problem... The statement about "reproducing sunlight with inexpensive lights" is quite peculiar... |
Are corals really strictly carnivorous?
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Are corals really strictly carnivorous?
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Are corals really strictly carnivorous?
Well Croosh, good try but no cigar dude!
1. The only instance that a relationship is parasitic if it is negative to the host... There are plenty of examples of symbionts that only one side benefits. Don't confuse symbiosis with mutualism. All mutualisms are symbiotic but not all symbionsis are mutualisms... http://dictionary.reference.com/search?q=symbiosis 2. Corals don't have skeleton? For God's sake dude read a little more please! http://dictionary.reference.com/search?r=2&q=coral 3. In your world, how and where plants store glucose? Do plants expell glucose out in, lets see, some type of sweat? http://www.emc.maricopa.edu/faculty/...BioBookPS.html (this link doesn't only aply to macrophytes, the process is universal to all plants) 4. So, acording to you anemones will die in the dark! http://www.newscientist.com/article/mg14920152.400.html Do I have to say anything else? Ignorance is daring! Well, methinks you are one of Wayne's clients, so knowledgeable and well informed that I have to bow and yield! jrs "Croosh" wrote in message oups.com... Jaime, Unless a coral can benefit from its algae, it would be called parasite/host relationship, not symbiosis, and many photosynthetic corals don't have skeleton to benefit from calcium carbonates... There is also a thing called carbohydrate (glucose for example) that coral would benefit from directly, i.e. algae consume CO2 and some byproducts of coral's metabolism and photosynthesize oxygen and glucose, which in turn benefits coral. Anemone is even more carnivore than an Acropora colony for example, but try keeping one in complete darkness and just feed solid food. It won't live till Christmas I bet... (Actually, don't do that since you'll slay a perfectly good animal) Regards Yuriy |
Are corals really strictly carnivorous?
"Croosh" wrote in message oups.com...
Unless a coral can benefit from its algae, it would be called parasite/host relationship, not symbiosis, and many photosynthetic corals don't have skeleton to benefit from calcium carbonates... Actually, soft corals like the hard corals have a skeleton. However, it is not hard and stony. Their skeleton also contains calcium carbonate, but only in small clumps called spicules. We aquarists do not call this skeleton, but biologists do :-) |
Are corals really strictly carnivorous?
Pszemol,
I stand corrected :) I'm by far no marine biologist, so I guess I'll have to do some more reading. I'm just affraid that some "dude" will read this post and try to keep acroporas or such under 18W compact fluorescent flood light, since they look pretty, even when bleached, and feeding well will keep them growing. Regards Yuriy |
Are corals really strictly carnivorous?
"Croosh" wrote in message ups.com...
I stand corrected :) I'm by far no marine biologist, so I guess I'll have to do some more reading. I'm just affraid that some "dude" will read this post and try to keep acroporas or such under 18W compact fluorescent flood light, since they look pretty, even when bleached, and feeding well will keep them growing. This is a risk with Jaime posts here... they are not really aquarium related. He is using a different language and can be misinterpreted many times... |
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