Species, GC (%), AT (%), G (bases), C (bases), A (bases), T (bases), Maximum lifespan (yrs) Chiloscyllium plagiosum, 37.6, 62.4, 262, 105, 292, 316, 25.0, Rhincodon typus, 40.3, 59.7, 281, 112, 269, 313, 54.0,