living fossils

tags: researchblogging.org, evolution, flatfish, Amphistium, Heteronectes, transitional fossils, missing link, Matt Friedman During the development of extant flatfishes, such as this plaice, Pleuronectes platessa, one eye has migrated round the head to lie on the same side as the other. So these fishes have an 'eyed' (up) side and a 'blind' (down) side suitable for their bottom-dwelling lifestyle. Image: KÃ¥re Telnes. Flounder, turbot, sole, halibut and plaice (pictured above) are more than just a tasty slab of flesh on your plate. They are flatfishes that spend their adult life lying…