Today, we're reacting together to a clip from Marza and Blur's live stream, where they watched Mark Robert's video "OCTOPUS VERSUS UNDERWATER LABYRINTH."
In this reaction, I'll explain what's correct and what needs to be clarified, with scientific curiosities and ethical considerations about the world of octopuses.

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🔎 What you'll find in this video
• Why octopuses are among the most intelligent animals in the sea
• What's wrong with octopus farming
• Fun facts about the California two-spotted octopus (Octopus bimaculoides)
• Why it's not a good idea to release captive-raised animals
• Anecdotes about the strength of suction cups, blue blood, and arm regeneration

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Scientific sources cited in the video:
• The octopus' brain and the human brain share the same "jumping genes" – Remo Sanges, Graziano Fiorito et al. – BMC Biology (2022)
• Cell types and molecular architecture of the Octopus bimaculoides brain – Shigeno S., Ragsdale C.W. et al. – Current Biology (2023)
• Neuronal segmentation in cephalopod arms – Zullo L., Mazzolai B. et al. – Nature Communications (2021)
• Behavioral and neurophysiological evidence suggests affective pain in octopuses – Crook R. et al. – iScience (2021)
• Octopus vulgaris exhibits interindividual differences in behavioral response – Ponte G., Fiorito G. et al. – Frontiers in Physiology (2023)
• Octopus aquaculture: Welfare practices and challenges – Nande M., Sánchez J.L. et al. – Canadian Veterinary Journal (2022)
• Scientists reel in horror as first octopus farm ignites global outcry – Sustainability Times (2023)
• Octopus farming in Spain raises animal welfare and environmental concerns – World Animal Protection (2023)
• Exposing the environmental risks of octopus farming – Eurogroup for Animals – (2022, Report)
• No nerves lost: Octopuses can regenerate their nervous system – Zullo L., Byrne R.A. – Oceanbites (2021)
• Nerve degeneration and regeneration in Octopus vulgaris – Imperadore P., Fiorito G. et al. – Scientific Reports (2017)
• Nerve regeneration in the cephalopod mollusc Octopus vulgaris – Imperadore P., Fiorito G. et al. – Journal of the Royal Society Interface (2018)
• Diffusion MRI connections in the octopus brain – Ritschard R., Shigeno S. et al. – Experimental Neurobiology (2022)
• An embodied view of octopus neurobiology – Godfrey-Smith P. – Current Opinion in Neurobiology (2021)
• The mysterious inner life of the octopus – Montgomery S. – BBC Future (2020)
• Octopus genome holds clues to uncanny intelligence – Albertin C. et al. – Nature (2015)
• Neuroecology: Forces that shape the octopus brain – Hochner B. – Current Opinion in Neurobiology (2020)
• Designing brains for pain: Human to mollusc – Elwood R.W. et al. – Frontiers in Physiology (2021)
• Cephalopod complex cognition – Borrelli L., Fiorito G. – Current Opinion in Behavioral Sciences (2020)
• The mysterious decline of octopuses – Endangered Species International Report (2019)

📌 Video quotes

🎥 “BLUR REACTION OCTOPUS VS UNDERWATER LABYRINTH! with scion”
Video
📺 Original video by Mark Rober: “Octopus vs Underwater Maze”
Octopus vs Underwater Maze