what does this?

Andrew

Arachnosquire
Old Timer
Joined
Feb 4, 2003
Messages
61
does any ones empreor scorpion chang color from black to a greenish color why do they do this:?
 

Jeff_C

ArachnoAddicted
Old Timer
Joined
Apr 10, 2003
Messages
449
I think you are referring to the chemical in their exoskeleton that glows when exposed to a 'black" light (like for posters). This also happens to a lesser degree when they are exposed to fluorescent lighting too which can give them a greenish tint.

Jeff
 

Frank

Arachnobaron
Old Timer
Joined
Feb 22, 2003
Messages
474
And they sometimes get a blueish teint, but I don't remember under what kind of rays..



Frank
 

chau0046

Arachnobaron
Old Timer
Joined
Mar 17, 2003
Messages
477
I think Frank is refering to Heteromus spp. They have a tendency to show a blue-ish coloring under blacklighting.

Mat
 

Phillip

Arachnoprince
Old Timer
Joined
Aug 19, 2002
Messages
1,328
they glow...

Under blacklight all scorps glow. And emps if taken outside and viewed in real light versus indoor light will look a different color as well.

Phil
 

Frank

Arachnobaron
Old Timer
Joined
Feb 22, 2003
Messages
474
Oh? Heterometrus sp. have a blueish teint under blacklight.. interesting :) I thought that emps would have a blueish teint under a specific type of light too (not blacklight)



Frank
 

CID143ti

Arachnoknight
Old Timer
Joined
May 3, 2003
Messages
261
I think they glow a slightly different color under true UV light.

W. Smith
 

Wade

Arachnoking
Old Timer
Joined
Aug 16, 2002
Messages
2,933
Although the exact shade of blue/green varies from species to species, as Phil says they all glow.

Any light source with high UV will cause this, be it a UVB tube ("black light"), a full-spectrum reptile bulb, or the sun...it just appears brightest under the black light because of the abssence of visible ("white") light.

Wade
 

Godzilla2000

Arachnoangel
Old Timer
Joined
Mar 14, 2003
Messages
947
Originally posted by Andrew
does any ones empreor scorpion chang color from black to a greenish color why do they do this:?
I astound my Neice and Nephews whenever I hold a blacklight over my Emperor Scorpion Destroyer.
 

XOskeletonRED

Arachnodemon
Old Timer
Joined
Jan 6, 2003
Messages
707
Scorpions will also vary to a great degree when highlighted with full UV rays in a similar form to blacklight. Special bulbs can be purchased which are unlike blacklight (only being near UV, while the UV bulbs are full UV) and like blacklights in that they have very little visible light which escapes. These are rarely used (because their cost and adverse effects they can cause over extended use) to create a blue glow on emps and other normally green glowing scorpions and an almost white glow on scorpions that under a blacklight, would usually glow yellow-ish (for instance, Deathstalkers). O. glabifrons can be made to glow more extreme blue colorations as well and often a white-ish color.


adios,
edw. ;)
 

Kugellager

ArachnoJester
Arachnosupporter
Joined
Jul 24, 2002
Messages
2,354
Actually guys, there are a few species that do not fluoresce under a UV producing light source...though you will never see any of these in the hobby as from what I understand are quite rare and at least one of them is only found in Mexico. Also, freshly molted scorps won't fluoresce until their new exoskeleton begins to harden...first instars ususally do not fluoresce either.

This may have something to do with the minerals in the new exoskeleton that have not fully crystalized. The different shades of the flourescence have to do with the original color of the exoskeleton making it appear different colors. You have a yellow scorp and the fluorescence will lean a bit more toward the green...a black scorp and it generally moves to a more bluish color. Also, any ambient non-UV light will have an effect. I have observed, and I am sure most of you have, the brightness of the UV source also affects the coloration...i.e. The coloration gets 'whiter' as the UV intensity increases.

If you would like a technical description of how the fluorescence occurrs PM me and I can explain the physics of it.

John
];')
 

ORION_DV8

Arachnobaron
Old Timer
Joined
May 3, 2003
Messages
331
Does prolonged exposure to black light cause any harm to the scorp, is it detrimental to them and can they see in this end of the spectrum?
ORION
 

Kugellager

ArachnoJester
Arachnosupporter
Joined
Jul 24, 2002
Messages
2,354
There is the potential for it to damage their eyes by fogging the clear portion of the exoskeleton...or so I have been told. Also, constantly keeping a Scorp under a BL will diminish the ability to fluoresce. Depending on the type of UV source used there is the possibility that too strong a source might hurt or even kill them...thats one reason you should never put their enclosure in a constantly sunny area.

John
];')
 

Wade

Arachnoking
Old Timer
Joined
Aug 16, 2002
Messages
2,933
John,

I was not aware that there were non-flourescing scorps. Is the Mexican species you mentioned one of the blind cave dwelling species by any chance?

Wade
 

Kugellager

ArachnoJester
Arachnosupporter
Joined
Jul 24, 2002
Messages
2,354
Wade, I'm not sure of the species...I will have to go find it somewhere...give me a day or two and I'll see what I can re-find.

John
];')
 

Kugellager

ArachnoJester
Arachnosupporter
Joined
Jul 24, 2002
Messages
2,354
Ok, I found the e-mail where someone mentioned the species that do not fluoresce but it is a paper copy and I don't have it with me at work so this is to bump it up so I can find it easier when I get home...there were three species that were mentioned off the top of the persons head in the e-mail...I don't remember what they are at the moment but I will try to post them this evening sometime.

John
];')
 

Kugellager

ArachnoJester
Arachnosupporter
Joined
Jul 24, 2002
Messages
2,354
Ok I found the names of the genus that are supposed to not fluoresce...remember this was off of the top of the persons head. But here they are.

Megacormus
Sotanochactas
Typhlochactas

They are reported to not fluoresce very well or not at all.

That's all I was able to find at this point.

John
];')
 
Last edited:
Top