octopus

  1. IMG-2909.JPG

    IMG-2909.JPG

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

    IMG-2819.jpg

    North Pacific bigeye octopus (O. californicus)
  3. 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...
  4. IMG-2138.jpg

    IMG-2138.jpg

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

    IMG-2032.JPG

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

    IMG-1682.jpg

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

    IMG-1676.jpg

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

    IMG-1028.jpg

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

    IMG-8984.jpg

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

    IMG-8998.jpg

    Skin closeup of a juvenile O. rubescens
  11. 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)...
  12. Olive3.jpg

    Olive3.jpg

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

    Olive skin closeup.jpg

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

    Olive closeups.jpg

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

    Olive eye closeup.jpg

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

    Olive color change.jpg

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

    Olive.jpg

    Juvenile O. rubescens (pale coloration)
  18. Olive eye closeups collage.jpg

    Olive eye closeups collage.jpg

    Eye closeups of a juvenile O. rubescens
  19. Olive eye closeup.jpg

    Olive eye closeup.jpg

    Eye closeup for a juvenile O. rubescens
  20. Olive collage.jpeg

    Olive collage.jpeg

    Edited pictures of a juvenile O. rubescens
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