Welcome to TONMO, a community of cephalopod experts, hobbyists and enthusiasts. Established in 2000, we are the founders of TONMOCON, and birthplace of World Octopus Day and Cephalopod Awareness Days. To contribute to the discussion, register here, and perhaps Introduce Yourself. To rid yourself of ads and enjoy other perks, become a Supporter for just $50/year. Follow us on Twitter and YouTube for more cephy goodness.

Diving & Ceph Encounters

Discuss real, live ceph encounters.

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Cephalopod Videos

Replies: 131

Views: 25K

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Octopus living in groups and more stuff

Replies: 173

Views: 28K

3 PGOs in Boulder Dens at Cottam Point, Vancouver Island

Replies: 0

Views: 40

Yesterday at 12:34 AM

One octopus in the big horizontal crack den at Madrona Point.

Replies: 0

Views: 169

Pacific Giant Octopus in Horizontal Crack Den at Madrona Point

Replies: 0

Views: 170

Octopus Encounter at Cottam Point, Vancouver Island

Replies: 1

Views: 158

PGOs at Madrona Point, Vancouver Island, January 17, 2021

Replies: 1

Views: 138

One small and one larger octopus at Cottam Point, Northwest Bay, Vancouver Island

Replies: 0

Views: 174

PGOs at Madrona Point, Vancouver Island, January 9, 2021

Replies: 0

Views: 174

4 PGOs at Madrona Point, Vancouver Island

Replies: 0

Views: 209

A PGO and yelloweye rockfish neighbors at Oak Leaf Park, near Nanaimo on Vancouver Island

Replies: 0

Views: 268

PGOs at Madrona Point, Vancouver Island

Replies: 0

Views: 141

PGOs at Cottam Point, Vancouver Island

Replies: 0

Views: 224

Where is the Best World Diving for Ceph Encounters?

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Replies: 15

Views: 4K

GPOs in dens at Cottam Point, British Columbia

Replies: 0

Views: 125

4 GPOs at Madrona Point, Vancouver Iskand

Replies: 3

Views: 173

Replies: 1

Views: 142

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Latest Posts

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