Species, GC (%), AT (%), G (bases), C (bases), A (bases), T (bases), Maximum lifespan (yrs) Chiloscyllium plagiosum, 32.7, 67.3, 40, 15, 49, 64, 25.0, Rhincodon typus, 31.0, 69.0, 39, 13, 48, 68, 54.0,