 The bone would have healed, a sign that the about 3-metre-long (10-foot-long) "Metriorhynchus" was actively hunting the much larger fish.However, in 2007 Liston concluded the bone tissue had not in fact healed and that this was probably a case of scavenging.An apex predator of the Oxford Clay seas large enough to attack "Leedsichthys" was the pliosaurid "Liopleurodon".