Constantinos Petrinos / Blue-ringed octopus (Hapalochlaena lunulata) displaying over sand, Lembeh Strait, Molucca Sea Sulawesi, Indonesia, February.
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Constantinos Petrinos / Blue-ringed octopus (Hapalochlaena lunulata) flashing its blue rings, whilst swimming over sand, Lembeh Strait, Molucca Sea Sulawesi, Indonesia, February.
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Constantinos Petrinos / Close up of Blue rings of Blue ringed octopus (Hapalochlaena lunulata) Lembeh Strait, Molucca Sea Sulawesi, Indonesia, February.
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Constantinos Petrinos / Close up of Blue rings of Blue ringed octopus (Hapalochlaena lunulata) Lembeh Strait, Molucca Sea Sulawesi, Indonesia, February.
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Constantinos Petrinos / Blue-ringed octopus (Hapalochlaena lunulata) sitting on a decaying leaf on the seabed during daytime. Lembeh Strait, Molucca Sea Sulawesi, Indonesia.
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Constantinos Petrinos / Blue-ringed octopus (Hapalochlaena lunulata) swimming just above the seabed while flashing (pulsating) its blue rings. Lembeh Strait, Molucca Sea Sulawesi, Indonesia.