Glofish Question

ttan

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Apr 6, 2005
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I will be getting glofish soon, and I was wondering if anyone here has any and can comment if they are as vibrant as in the pictures that the company posts. Also how much they glow under a black light. I also received an email from the company, which said they would be releasing green and yellow later this year.
 
Good luck finding info on the Glofish. There are alot of people that refuse to have them. Because they are not ment for aquariums. They are genetically altered to detect pollution in water ways. Not for home use. Very touchy subject.
 
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ttan said:
I will be getting glofish soon, and I was wondering if anyone here has any and can comment if they are as vibrant as in the pictures that the company posts. Also how much they glow under a black light. I also received an email from the company, which said they would be releasing green and yellow later this year.

Not having possessed Glofish™, I can only refer you to the website's statements (which, I presume, you may already have read):

Daytime Viewing – A traditional white aquarium light (such as a fluorescent or halogen light) is ideal for daytime use. Because GloFish™ fluorescent fish absorb light and re-emit it, the fish's color will appear brighter and more vibrant as the amount of light used is increased. White gravel will further deepen the color since the reflective white color of the gravel will increase the overall amount of light in the tank.

Nighttime Viewing – In cases where the room is completely dark, a black light will create the appearance that the fish are glowing in the dark. This is a truly stunning and beautiful way to display your ornamental fish at night! But please remember that the black light will only be helpful in a completely dark room. Using a black light during the daytime will not result in the fish demonstrating its true beauty.

From http://www.glofish.com/.
 
hawkeye01 said:
Good luck finding info on the Glofish. There are alot of people that refuse to have them. Because they are not ment for aquariums. They are genetically altered to detect pollution in water ways. Not for home use. Very touchy subject.

Your statements as to the nature of Glofish™ are not entirely correct; moreover, concern with the general ethicality of marketing genetically modified living organisms developed for non-scientific purposes is the primary rationale for aquarist refusal to purchase Glofish™. Glofish™, per se, were never used to detect pollution in waterways; whereas their predecessors (as with they, Brachydanio rerio - zebra danios, a common laboratory subject and popular aquarium denizen - infused, while eggs, with jellyfish fluorescence genes) were modified to specifically "respond to the presence of chemicals like oestrogen through the estrogenic promoter and heavy metals and toxins through the stress-responsive promoter" (from http://www.nus.edu.sg/corporate/research/gallery/research12.htm). Glofish™, on the other hand, have been engineered to display the "fluorescent coloration" continuously, independent of any environmental triggers.
 
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I figured that it would be a touchy subject, but I still had to ask. Thank you to both of you for replying to my post. I've read pretty much everything I could find on them. Most of it is pretty generic and old news articles.
 
I dont see the big deal with glofish. It is not like people are injecting dye into them like glassfish. The property is introduced into the genetics. It is passed on to the next generation. No animals are suffering from this. Are people saying they should strictly be used for scientific study, or is that wrong too?
 
Veneer said:
Your statements as to the nature of Glofish™ are not entirely correct; moreover, concern with the general ethicality of marketing genetically modified living organisms developed for non-scientific purposes is the primary rationale for aquarist refusal to purchase Glofish™. Glofish™, per se, were never used to detect pollution in waterways; whereas their predecessors (as with they, Brachydanio rerio - zebra danios, a common laboratory subject and popular aquarium denizen - infused, while eggs, with jellyfish fluorescence genes) were modified to specifically "respond to the presence of chemicals like oestrogen through the estrogenic promoter and heavy metals and toxins through the stress-responsive promoter" (from http://www.nus.edu.sg/corporate/research/gallery/research12.htm). Glofish™, on the other hand, have been engineered to display the "fluorescent coloration" continuously, independent of any environmental triggers.

Thank you for correcting me. I like to know how thinks like the glowfish came about. Interesting about how they designed them.
 
flyfly said:
I dont see the big deal with glofish. It is not like people are injecting dye into them like glassfish. The property is introduced into the genetics. It is passed on to the next generation. No animals are suffering from this. Are people saying they should strictly be used for scientific study, or is that wrong too?

I don't know about Glofish, but the development of other genetically modified animals has caused a great deal of animal suffering in the form of animals with various defects before the desired animal was obtained. Details at http://www.cruelscience.ca/research-gm.htm
 
Genetically Modified Organisms

I'm suprised at the public outcry over a genetically modified pet. I don't see any American boycot of GMO foods. And you eat those. All the time. Whether you know it or not.

Personally, I'd rather have a GM fish on display in a tank than on my plate.

Of greater concern than GM zebra danios are, say, GM salmon. GM salmon grow bigger, faster, than their natural counterparts. That makes them more attractive mates in the world of salmon. Unfortunately, they are not as hardy, and succumb to infection and hardship at a rate greater than their natural counterparts. This makes them sexy weaklings. Perpetrators of false advertising in the natural world.

The ramifications of this are potentially disasterous. Being more attractive, they could sexually outcompete wild cousins. Weaker genes could, theoretically would, crowd out stronger genes. There are computer models of one escaped salmon bringing the wild populations to extinction.

This is not the most likely outcome of these models, but it can happen. One fish is unlikely to destroy the salmon world. The problem is, thousands escape farms every year. And then, it's a lot more likely.

Sometimes, the benefits of genetic modification outweigh the risks. Take "Golden Rice". This is rice modified to produce Beta-Carotene. It is saving thousands of third world children from blindness. Tell them genetic modification is flat-out wrong. Better yet, tell their blind parents.

Like most things, GMOs are neither all good, nor all bad.

It seems to me, a dayglo baitfish won't last as long in the wild, as say, anything. Have you ever noticed how many fishing lures look like Glofish? And in northern climates, they'd have to swim south pretty fast not to end up little frozen Glofish.

Besides, if any Glofish do make a dash for freedom, the snakeheads will probably take care of them anyway. Maybe we should modify snakeheads...
 
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