Lopsided fish show that symmetry is only skin deep. ScienceDaily. Retrieved June 3, 2025 from www.sciencedaily.com / releases / 2010 / 01 / 100125192018.htm. BioMed Central.

Putting function before form, members of the Perissodinus genus of fish have developed a hugely lopsided jaw that provides a distinct feeding advantage. Research published in the open-access ...

Fish fingers and bilateral symmetry — new fossils shed light on critical stages of evolution. Recent discoveries give clues about two critical stages in the evolution of modern complex animals.