If they are grey and fertile, they will burst upon contact with the salt water, and you will have little planktonic zoeae swimming around. Unless you have a cycled marine tank with a sponge filter, you have no hope of raising them through 5 larval stages to adulthood, and you should throw them out.
if the eggs are red, and did not hatch in the salt water, they are not fertile. Just thrown them away.
sand
It shouldn't be about to lay eggs. (I am assuming you have hermit crabs in a aquarium.) It has been proven that they need an ocean to lay eggs and therefore cannot lay eggs in captivity. Even in zoos they can't lay eggs.
Salmon lay there fish upstream so fresh water fish wont eat their eggs. Also because, salmon grow up in salt water environment.
Grasshoppers do not lay eggs in the water. Instead, grasshoppers will lay eggs in the soil and wait for them to hatch.
Yes, gnats lay their eggs in water.
No, turtles typically lay their eggs on land, not in water.
Yes, red-eared sliders can lay eggs in water. They typically lay their eggs in a nest on land near the water's edge, but they can also lay eggs in shallow water or damp soil.
yes they lay their eggs in water
Lay eggs (in water).
Seals don't lay eggs
Not successfully. Crabs lay their eggs in a large body of salt water (bay, sea). If you crab lays eggs in it's water dish, they will not hatch.
Yes, All amphibians must lay their eggs in water. If they lay them on land their eggs will dry up.