octopus

  1. image0 (1).jpeg

    image0 (1).jpeg

    Comparison between the eye of a bigeye octopus (O. californicus, left) and juvenile red octopus (O. rubescens, right)
  2. IMG-3652.JPG

    IMG-3652.JPG

    North Pacific bigeye octopus (O. californicus)
  3. IMG-3547.jpg

    IMG-3547.jpg

    North Pacific bigeye octopus (O. californicus)
  4. IMG-3044.jpg

    IMG-3044.jpg

    North Pacific bigeye octopus (O. californicus)
  5. IMG-2909.JPG

    IMG-2909.JPG

    North Pacific bigeye octopus (O. californicus)
  6. IMG-2819.jpg

    IMG-2819.jpg

    North Pacific bigeye octopus (O. californicus)
  7. K

    Octopus circulatory system

    Hi! I do not promote this at ALL but I know it’s a practice done in Japan... so my Friday evening thought is why, when octopus arms are cut off (for food in Japan or eaten by another creature underwater), do octopus arms not bleed... I would love to know. I have been studying octopuses for a...
  8. IMG-2138.jpg

    IMG-2138.jpg

    Juvenile red octopus (O. rubescens)
  9. IMG-2032.JPG

    IMG-2032.JPG

    Juvenile red octopus (O. rubescens)
  10. IMG-1682.jpg

    IMG-1682.jpg

    Skin closeup of a juvenile red octopus (O. rubescens)
  11. IMG-1676.jpg

    IMG-1676.jpg

    Eye closeup of a juvenile red octopus (O. rubescens)
  12. IMG-1028.jpg

    IMG-1028.jpg

    Juvenile red octopus (O. rubescens)
  13. IMG-8984.jpg

    IMG-8984.jpg

    Eye closeup of a juvenile O. rubescens
  14. IMG-8998.jpg

    IMG-8998.jpg

    Skin closeup of a juvenile O. rubescens
  15. alphaceph

    Blue Ring Octopus Tank (Hapalochlaena)

    Bought two blue-ringed octopuses 2 days ago. I have 125 liter reef tank& Over-spec bubble magus curve A9 skimmer, live rock, BioGro bacteria supplement every week etc. Currently water quality is as follows: pH ~8,1, ammonia 0ppm, nitrite ~0,05-0,1 ppm (increased after introduction of octopuses)...
  16. Olive3.jpg

    Olive3.jpg

    Juvenile O. rubescens named Olive
  17. Olive skin closeup.jpg

    Olive skin closeup.jpg

    Closeup of a juvenile O. rubescens
  18. Olive closeups.jpg

    Olive closeups.jpg

    Closeups of a juvenile O. rubescens
  19. Olive eye closeup.jpg

    Olive eye closeup.jpg

    Closeup of O. rubescens eye (edited)
  20. Olive color change.jpg

    Olive color change.jpg

    3 pictures of color/texture change in a juvenile O. rubescens, each taken ~a second apart!
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