Aggressively going at it (sharks)

[alprazo]

4 out of the 11 with embryos

 

[Zoodiver]

Sweet! You'd better post more pics soon.

 

[humaguy]

4 out of the 11 with embryos

So cool! :thumbsup:

 

[TNTtropical]

i'd be interested in a male and female pup

 

[alprazo]

I'm down to only three viable embryos left. The one that I left in the display must have been eaten.

3 more months

<object width="1280" height="720"><param name="movie" value="//www.youtube.com/v/LfRUoxG52kE?hl=en_US&version=3&rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="//www.youtube.com/v/LfRUoxG52kE?hl=en_US&version=3&rel=0" type="application/x-shockwave-flash" width="1280" height="720" allowscriptaccess="always" allowfullscreen="true"></embed></object>

 

[griseum]

Wow. Awesome!

 

[Cu455]

That's great. How are they doing?

 

[alprazo]

Another month down, 3 still viable. It is interesting. Movement of the egg causes the embryo's to stop all movement. They even stop their respirations. I guess it was not a new observation with some species, I was told that there is a paper out there on this behavior. Anyway, not worth taking a pic. The cases have become porous and easily take in air if exposed. The yolks are about 1/2 the original size ~1/2 inch and the heads of the sharks are nearly equal. 2 months to go.

 

[Zoodiver]

Yeah, there were a couple of studies done about them stopping all movement when they picked up on a predator near by.

Here's the paper:

Kempster RM, Hart NS, Collin SP
Survival of the Stillest: Predator Avoidance in Shark Embryos 2013

http://www.plosone.org/article/info:doi/10.1371/journal.pone.0052551

An article about it:
http://phenomena.nationalgeographic...e-electric-sense-to-avoid-danger-by-freezing/

 

[humaguy]

Yeah, there were a couple of studies done about them stopping all movement when they picked up on a predator near by.

Here's the paper:

Kempster RM, Hart NS, Collin SP
Survival of the Stillest: Predator Avoidance in Shark Embryos 2013

http://www.plosone.org/article/info:doi/10.1371/journal.pone.0052551

An article about it:
http://phenomena.nationalgeographic...e-electric-sense-to-avoid-danger-by-freezing/

That is so cool!

 

[alprazo]

Thx for articles.

 

[alprazo]

Pretty sure this is a first for the US. She is very thin but did try to take some brine. The other two eggs floated about 5 weeks ago

<iframe width="853" height="480" src="//www.youtube.com/embed/_5jFWH8pnak?rel=0" frameborder="0" allowfullscreen></iframe>

 

[Poomba]

Congratulations! Super excited for you. STN's are my-realistic-dream shark.

 

[alprazo]

Thanks,

Another video of her attempting to eat. She is so very thin and I wish I hatched her sooner. Not sure how she will do. Pretty excited to be able to capture this from insemination to birth. BTW - the fish in this video are Atlantic Silversides if anyone was wondering.

<iframe width="853" height="480" src="//www.youtube.com/embed/uFO4UnNo_9o?rel=0" frameborder="0" allowfullscreen></iframe>

 

[Poomba]

Do you have a build thread for your current system?

 

[alprazo]

This is the closest thing I have

http://www.reefcentral.com/forums/showthread.php?t=2402585

 

[Zoodiver]

Very cool. Awesome work!!

 

[griseum]

Wow. Congratulations, to say the least!