Sand strikers — also known as bobbit worms — reach up to 10 feet long. They have razor-sharp jaws they use to catch unsuspecting fish and can split into bits to regenerate. When you purchase through ...

Allison Little, a middle school assistant principal from Anchorage, has been fishing on the Kasilof River her entire adult life, so she’s used to seeing wormy parasites coiled up in fish on occasion.

Why it is awesome: With its scientific name referencing Aphrodite, the Greek goddess of love and beauty, the sand striker is a stunning, glittering marine worm — and a terrifying ambush predator. It ...