Kneeling close, you could see how deceptively alive the shell-y mud was: It harbored whole scuttling ecologies of oyster-drill snails, tiny shrimp and crabs, and floating egg cases.

FORBES: The American Oyster Paradise

The toilets were filthy, the swimming pools had faeces floating in them and meat and egg dishes were undercooked.

BBC: Majorca

Using a software program to compare the sequences of the genes that give the instructions for making egg proteins, they show that teleosts with floating eggs share a gene called VtgAa.

ECONOMIST: Fish genetics