Figure 1: Evolution of goldfish morphology. Figure 2: The involvement of the chdA gene in the twin-tail phenotype. Figure 3: Rescue of the twin-tail phenotype by mRNA microinjection. Figure 4 ...

And these are not the little fishies of your childhood. Giant goldfish are happily living in Lake Erie and other bodies of water − much to the chagrin of those charged with keeping these bodies ...