Christophe Courteau / Sea spider {Nymphon gracile} Brittany France

Christophe Courteau / Sea spider male carrying eggs {Nymphon gracile} Brittany France

Georgette Douwma / Sea spider (Pycnogonid) Rinca, Komodo National Park, Indonesia

David Shale / Sea spider (Collossendeis sp). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Sea spider (Collossendeis sp). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Sea spider (Collossendeis sp.). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Hermit crab with anemone. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Pycnogonid (Hedgpethia sp.) on coral. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Pycnogonid (Hedgpethia sp.) on coral. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Pycnogonid (Hedgpethia sp.) on coral. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Pycnogonid (Hedgpethia sp.) on coral. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

Solvin Zankl / Sea spider (Nymphon gracile), Trondheimfjord, North Atlantic Ocean, Norway.

Piotr Naskrecki / Jumping Spider (Lyssomanes portoricensis) female protecting her clutch of eggs, Saba, West Indies, Caribbean

Piotr Naskrecki / Silver Argiope (Argiope argentata), Saba, West Indies, Caribbean

Solvin Zankl / Sea spider (Collossendeis proboscidea)

Mark Moffett / Tarantula Hawk (Pepsis sp) has laid a small white egg on a stunned Tarantula (Theraphosidae) and departed the burrow, California

David Shale / Deep sea Sea spider {Pycnogonida) from Mid-Atlantic Ridge, depth 2600m

David Shale / Deep sea Sea spider {Pycnogonida) from Mid-Atlantic Ridge, depth 2600m

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

David Shale / Sea spider {Pycnogonida} benthic, Barents sea, Northern Europe

Piotr Naskrecki / Spinybacked Orb-weaver Spider (Gasteracantha cancriformis) their abdomen, or opisthosoma, is heavily sclerotized and armed with hard spines possibly to protect against birds and lizards, Solomon Islan...

Piotr Naskrecki / Jumping Spider (Bathippus sp) eating prey, Solomon Islands

David Hall / Sea spiders {Pseudopallene ambigua} on Bryozoan, Tasmania, Australia

Constantinos Petrinos / Sea spider {Pycnogonida} on sponge, Sulawesi, Indonesia

David Shale / Deepsea benthic sea spider (Colossendeis sp), deep sea Atlantic ocean

David Shale / Deepsea benthic sea spider (Colossendeis sp) Close-up of head and mouthparts, deep sea Atlantic ocean

David Shale / Deepsea benthic sea spider (Colossendeis sp), deep sea Atlantic ocean

Norbert Wu / Sea Anemone (Isotealia antarctica) and Sea Spiders, Antarctica

Constantinos Petrinos / Sea spider {Pycnogonida} on sponge. Sulawesi, Indonesia

Premaphotos / Long-palped orb weaver spider (Zygiella atrica) female on a cliff by the sea, UK