Species, GC (%), AT (%), G (bases), C (bases), A (bases), T (bases), Maximum lifespan (yrs) Chiloscyllium plagiosum, 36.1, 63.9, 490, 174, 561, 614, 25.0, Rhincodon typus, 36.8, 63.2, 491, 185, 552, 611, 54.0,