1. Argonaut Octopus: Females create a paper-thin egg casing that acts as a flotation device; males lose their reproductive arm during mating.
2. Mimic Octopus: Masters of disguise found in Indo-Pacific waters, mimicking venomous animals for defense and hunting prey.
3. Blue-Ringed Octopus: Small but deadly with venom capable of killing humans; females are highly maternal in carrying eggs by hand.4. Dumbo octopus: Adorably deep-sea dwellers who flap ear-like fins to move and hatch ready-made finned babies for survival at extreme depths-up to 13,000 feet below sea level!
5.Coconut Octopus: Demonstrates extraordinary tool use by collecting coconut shells as portable shelters; can walk on two arms while carrying its home.
6. Blanket Octopus: Females display dramatic size differences (~40k times heavier than males) with flowing webbed tissue used defensively or detached as distractions during attacks.
7-10 include new rarer ghost-opus found off volcano 🏠