Are these babies little specs on the glass like baby snails? I would suspect that they hitchhiked over fromthe big one you bought, rather than 'mommy' giving birth two 2 abalones.
Quoted from a website:
"Sexes are separate and fertilization is external. The eggs and sperm broadcast into the water through the pores with the respiratory current. A 1.5 inch abalone may spawn 10,000 eggs or more at a time, while an 8 inch abalone may spawn 11 million or more eggs."
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George
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