Dunkleosteus edentula (meaning "toothless Dunkle bone") is a species of arthrodire placoderm fish that originally lived in Devonian oceans, as an extinct species of Dunkleosteus and was once extinct, but has since been brought back from extinction by SciiFii and introduced throughout the modern Pacific Ocean to help boost biodiversity. It is one of the largest placoderms to have ever live, growing on average of about 8.79 meters (28.8 ft) long and 4 t (4.4 short tons) in weight. Dunkleosteus edentula can quickly open and close its jaw, like suction feeders, and had a bite force of 6,000 N (612 kgf; 1,349 lbf) at the tip and 7,400 N (755 kgf; 1,664 lbf) at the blade edge. Like other placoderms, Dunkleosteus edentula has a two-part bony, armoured exterior, which makes it a relatively slow but powerful swimmer. Instead of teeth, Dunkleosteus edentula possesses two pairs of sharp bony plates which forms a beak-like structure. Like sharks, Dunkleosteus edentula has the ability to internalize egg fertilization, which allows the fish to give birth between 1 and 2 baby Dunkleosteus edentula much like live-birthing sharks. Despite its fearsome appearance, it does not hunt marine mammals, birds, or reptiles, instead, its diet composes entirely of fish, crustaceans, sea scorpions, trilobites, and cephalopods. The conservation status of Dunkleosteus edentula is Least Concern due to successful conservation efforts and the fish's wide range.
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