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angelfish

“Astounding”hybridization between species of angelfish

At Phys.org: Other hybrids were found between species with over 12 percent pairwise distance in mitochondrial DNA. Pairwise distance is a measurement of differences in pairs of DNA sequences. "This genetic separation is quite astounding, considering that hybrids are rarely reported between species that share more than 2 percent in genetic distance," Mr Tea said. "Though coral reef fish hybrids are common; they are usually formed by closely-related species." Read More ›