Can you ID this egg sack?

[Wampatom]

Today I found about 40 to 80 small egg sacks on the glass of my aquarium. I took a picture of one. Note it is an extreme macro of a single sack about half a mm in diameter. The black lines are scratches on the aquarium glass. I would guess snail eggs. I don't have any paired fish or shrimp.

 

[cloak]

Nerite snail eggs? These basically look like sesame seeds on the glass.

 

[saltyhog]

Much to small for any snail egg IMO. My nerite eggs are always in a group but individual(not in a sac). Let's see if anyone can help. #reefsquad, @KJ

 

[Phildago]

Wow, that's tiny, but definitely too large to be a single egg with cells inside. I wonder what it is

 

[KJ]

?

 

[saltyhog]

That's cool. My nassarius have never laid eggs that I have seen...just my nerites and ceriths. Thanks @KJ

 

[KJ]

Thanks @KJ

YW

 

[Wampatom]

That lower picture looks very close.

 

[cloak]

Today I found about 40 to 80 small egg sacks on the glass of my aquarium. I took a picture of one. Note it is an extreme macro of a single sack about half a mm in diameter. The black lines are scratches on the aquarium glass. I would guess snail eggs. I don't have any paired fish or shrimp.

Exactly what kind of snails do you have in your tank? Also, instead of a close up shot can you zoom out and take a picture of the cluster? I just want to see what your seeing from outside the tank.

 

[Phildago]

What did you use to take that picture?

 

[Wampatom]

Exactly what kind of snails do you have in your tank? Also, instead of a close up shot can you zoom out and take a picture of the cluster? I just want to see what your seeing from outside the tank.

I know I have astrea, trochus and nerites. I may have others. Nerites and trochus were in the area. The egg sacks were scattered around the left 1/3 of a 75 gal aquarium and on the left side. They are the small white dots.

 

[Wampatom]

What did you use to take that picture?

I used a Nikkor 105 mm macro lens with reversed 50 mm lens attached to the end. I have found the combination gives amazing resolution if I can keep the camera steady--no mirror slap.

 

[Phildago]

I used a Nikkor 105 mm macro lens with reversed 50 mm lens attached to the end. I have found the combination gives amazing resolution if I can keep the camera steady--no mirror slap.

Oh wow, that's awesome. I wish I had one lol. Very cool

 

[KJ]

Nerite snail eggs my bet.

 

[Wampatom]

Nerite snail eggs my bet.

Thanks. I think you are correct. I found other links.

similar egg sacks:

White spots all over the aquarium glass... Eggs?

Hey guys! Tank is doing good - the cyano is going away on it's own and the chrysophytes have all but disappeared. I noticed this morning that I seem to have these little white spots all over my tank. I'm thinking they might be snail eggs - but I'm not sure...

www.reef2reef.com

nassarius snails are true artists:

Snail eggs?

I came home this afternoon to find this on the glass. Nearby was one of my nassarius snails. I assume they are eggs - that’s a lot of snails! Suggestions? Should I remove them? Thanks for looking.

www.reef2reef.com

 

[saltyhog]

Now I'm really confused. I have always blamed these on my Nerite snails but they are huge compared to the ones in the photos above. What are these things @KJ.

 

[KJ]

Nerite eggs.

 

[Wampatom]

Now I'm really confused. I have always blamed these on my Nerite snails but they are huge compared to the ones in the photos above. What are these things @KJ.

Nice picture. Your snail like a clean location for her family.
So the eggs sacs I found were about .75 to 1mm in diameter. The eggs themselves are much smaller. They look very much like the ones in your second picture. I also found some links to other sites with pictures of nerite snails. (Does r2r allow links to other sites like reef central?)