Tonight on SharkWeek: Sawsharks from the Bass Strait are briefly caught and studied by researchers, who are looking to understand the strangest sharks in the sea. . . Watch Alien Sharks: Stranger Fins, tonight at 10p on Discovery. . . #SharkWeek #shark #sawshark #strange #strangebuttrue #strangerfins #ocean #underwater #marinebiology #photography #picoftheday #photooftheday #POTD