Wide Pacific Conch (6”+) helmet Nautilus have a well developed

Nautilus have a well developed nervous system and highly developed eyes

This giant spider shell is only found in the Indian Ocean and is the largest in its family

They have a large

and when eating

the Lightning Whelk has a left-handed shell (shell opening to the right with shell spire pointing “up”)

Wide Pacific Conch (6”+) helmet Nautilus have a well developedWidest pacific conch seashells are extremely thick and heavy shells with beautiful patterns. They have a large, thick flared outer lip that half way encompasses the spire of the shell. AKA: Milk Conch. They're collected in the SW Pacific Ocean. The Shell you receive may not look exactly like the image. No two are alike.