Assertion: dumbo octopus | /r/CapableOf | recognize only bioluminescent flashes
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Source sentences:
text: Since sunlight doesn’t reach the deep ocean layers, it is believed that Dumbo octopuses can recognize only bioluminescent flashes.
text: » Since sunlight doesn’t reach the deep ocean layers, it is believed that Dumbo octopuses have poor eyesight, and can recognize only bioluminescent flashes.