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Submitted: May 26, 2011
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Glowworm Nautilusby ~NocturnalSea

Traditional Art / Drawings / Animals

Another entry from the Zhang Temporal Expedition to the Devonian.
This is the Glowworm Nautilus (Velabrachius lucifer)
The female of this species possesses two extra-long arms with sail-like flaps called vela (the name is singular and plural), which she clamps along the sides of her loosely- coiled shell to form a chamber. Eggs are deposited into this chamber, and the larvae remain within until they are large enough to survive on their own. Males are similar in size, though they do not possess the long arms nor the vela.
Both male female V. lucifer possess bioluminescent organs, called photophores, along their arms. Glowworm Nautili can "wink" their lights on and off, producing flashing patterns, probably as a form of communication.
For more details, see: Irvine, Gene The Luminous Sea: A Bioluminescent Nautiloid from the Middle Devonian (2011) Journal of Cephalopod Studies 134:45 pgs. 345-362

The brood chamber of the female nautilus often serves as a refuge for other pelagic animals. Check them out here: [link]

you can read the entire entry here:[link]

~SpacerHunterZORG May 29, 2011

Neat!

~electreel May 27, 2011

You use pencil colours, dont´t you?

~NocturnalSea May 27, 2011 Professional Traditional Artist

Yep. I like the fine degree of control I get with them. Also, they're easy to transport. I suppose you could say the same for any media-- watercolor, pastel, acrylic, etc-- but I like the look I get with colored pencil.
I also think it makes my work look kind of unique since pencil isn't quite as common as other media.

~electreel May 29, 2011

Yeah man, your pictures look great! What do you do to give them so colorful and homogeneus coloration?

~NocturnalSea May 31, 2011 Professional Traditional Artist

I use softer pencils (like Blick or Prismacolor) plus a colorless blender to smooth out the colored pencil lines.

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