Which Octopus Are You Seeing?

Giant Pacific Octopus

Juvenile giant Pacific octopus  

Scientific Name:
Enteroctopus dofleini

 

Weight:

  • Average 60lbs
  • Up to 150lbs

Arm Span:

  • Up to 20 feet across

Life Span:

  • 3-5 years

Mating:

  • Terminal maters, both male and female will die after mating.
  • Female will lay 20,000 to 100,000 eggs and guard them till they hatch.
  • Males have a modified 3rd right arm used in mating (lacks sucker disks at the end of the arm).

Main Identifying Feature:

  • Giant Pacific Octopuses do not have "eyelashes", paddle like projections under their eyes.

Coloration:

  • Giant Pacific Octopuses are more red in color.

Skin Texture:

  • Giant Pacific Octopuses have paddle-shaped skin projections.

Common Den Types:

  • Rock piles, under rock ledges, tires, under downed pilings, old pipes.

Growth Rate:

  • 1-2% of their body weight every day! Human example: gaining 2-4lbs a day.
  • Largest species of octopus in the world.

Red Octopus

Pacific red octopus  

Scientific Name:
Octopus rubescens

 

Weight:

  • Max of 1.5lbs

Arm Span:

  • Up to 20 inches across

Life Span:

  • 2 years

Mating:

  • Terminal maters, both male and female will die after mating.
  • Female will lay 20,000 to 30,000 eggs and guard them till they hatch.
  • Males have a modified 3rd right arm used in mating (lacks sucker disks at the end of the arm).

Main Identifying Feature:

  • Reds have "eyelashes" - three paddle like projections under their eyes called papillae (click here to see a picture).

Coloration:

  • Reds are more brown/grey in color.

Skin Texture:

  • Reds have rounded skin projections.

Common Den Types:

  • Bottles, old barnacles, moon snail shells, under downed pilings.