New egg case from Clatskanie. OR

E

ellena

Guest
So I know from the last time I had eggs that these ARE salamanders since they have the gills (see pics) right?

Heres the pics....

they are wiggling a lot and seem ready to come out any time!

57347.jpg

57348.jpg
 
Where's clatskanie? Is it near mt. hood? I know I'm to lazy to look it up.
 
Ahhh you are in Gresham. Ok think HWY 30 out past Rainer and St. Helens, OR. Towards the coast....

so I did some reference checking in "Amphibians of Washington and Oregon" and the only salamander that I can find that matches as far as location and egg mass is the Northwestern Salamander (Ambystoma Gracile). Anybody have any other ideas?

Thanks!

(Message edited by jinx on April 13, 2006)
 
I would say it's certainly possible they are gracile. Definitely caudates. If that's the only sal in the right range that lays egg masses... that's a pretty convincing ID.
 
Do you know how long it takes for them to hatch out? Ive been reading and looking around but since I dont know how old they are its hard to tell. The mass is still really firm and they are so big that they seem curved in their little egg cases... I would think anytime now, but again with the mass so firm how do they get out?
 
Again, I don't know any specifics on this species. I can say that those in your photos above are late-stage embryos, but not ready to hatch yet. I would guess about a week from the photos they could start to hatch, or it could take longer depending on temperature and species(some species develop slower or hatch at a more advanced stage).
 
Will taking batches of eggs from the wild be harmful to the environment?
 
Where I found these guys there was over 15 egg cases, some larger than this one!! I don't think it would be harmful the environment since there was so many and the area that they were in is FULL of bullfrogs and turtles so at least I know these guys will make it.
happy.gif
 
Oh and here are more pics... this first one was taken on the 13th
57576.jpg


and then right after I typed my last message I went to check on them and one egg was released from the mass! The little larvae is floating around still in its egg case, but detatched from the group. Is that normal?
57577.jpg


and here is the group of them still together taken today.
57578.jpg
 
When there are many egg masses present, I don't think taking one is environmentally harmful. I would say it is less harmful than removing a single adult from the population. However, it may be a bit crazy to take this many eggs, from the standpoint of being able to raise them. The larger the number of larvae, the more likely a disaster due to crowding issues. Also, captive-raised sals should not be returned to nature, so you're kind of stuck with them. Read thru this so you can avoid some of the potential disasters:
http://www.caudata.org/cc/articles/why_larvae_die.shtml
 
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