Eggs hatch within 24 to 30 hours of fertilization. Fertilized fish eggs, in general divide by discoidal meroblastic cleavage. Because fish eggs are telolecithal (have a large percentage of yolk) cleavage can only take place in a small part of the egg.
- Gilbert, S. 2003. Developmental Biology. 7th ed. Sunderland, Ma: Sinauer Associates, Inc.