Closeup of suckers and teeth rings on the tentacles of Humboldt (Jumbo) squid (Dosidicus gigas), Gulf of California, Baja California, Mexico, North America

Buccal cavity (mouth) and tentacles of Humboldt (Jumbo) squid (Dosidicus gigas), Gulf of California, Baja California, Mexico, North America

An adult day or Cyanea octopus (Octopus cyanea) changing color and texture in the marine preserve at Honolua Bay on the northwest side of Maui, Hawaii, USA. Pacific Ocean

An adult day or Cyanea octopus (Octopus cyanea) changing color and texture in the marine preserve at Honolua Bay on the northwest side of Maui, Hawaii, USA. Pacific Ocean

An adult day or Cyanea octopus (Octopus cyanea) changing color and texture in the marine preserve at Honolua Bay on the northwest side of Maui, Hawaii, USA. Pacific Ocean

An adult day or Cyanea octopus (Octopus cyanea) changing color and texture in the marine preserve at Honolua Bay on the northwest side of Maui, Hawaii, USA. Pacific Ocean

An adult day or Cyanea octopus (Octopus cyanea) changing color and texture in the marine preserve at Honolua Bay on the northwest side of Maui, Hawaii, USA. Pacific Ocean

An adult day or Cyanea octopus (Octopus cyanea) changing color and texture in the marine preserve at Honolua Bay on the northwest side of Maui, Hawaii, USA. Pacific Ocean

An adult day or Cyanea octopus (Octopus cyanea) changing color and texture in the marine preserve at Honolua Bay on the northwest side of Maui, Hawaii, USA. Pacific Ocean

An adult day or Cyanea octopus (Octopus cyanea) changing color and texture in the marine preserve at Honolua Bay on the northwest side of Maui, Hawaii, USA. Pacific Ocean

Wunderpus Octopus

Coconut octopus

Broadclub cuttlefish

Suckers of Giant Pacific octopus or North Pacific giant octopus (Enteroctopus dofleini), Japan Sea, Primorsky Krai, Russian Federation

Portrait of a river otter (Lutra canadensis) lying down near an ice-fishing hole on an Anchorage area lake. Members of the weasel family, otters catch and eat trout, suckers and other fish, Anchorage, Alaska, United States of America

Portrait of a pair of river otters (Lutra canadensis) pause near an ice-fishing hole on an Anchorage area lake. Members of the weasel family, otters catch and eat trout, suckers and other fish, Anchorage, Alaska, United States of America

Day octopus (Octopus cyanea) in mid-water, Hawaii, United States of America

Cautious and curious at the same time, this day octopus (Octopus cyanea) keeps a close eye on the diver, Hawaii, United States of America

Diver viewing a female Broadclub cuttlefish (Sepia latimanus) pushing an egg into the finger coral where it will hatch in four to six weeks, Philippines

Both a Crinoid Commensal Shrimp (Periclimenes cornutus) and a Crinoid Squat Lobster (Allogalathea elegans) on a crinoid. These tiny crustaceans are commensal on crinoids or feather stars and take their color from the host, Philippines

Detail of the center branching arms of a Crinoid or Feather Star (Lamprometra klunzingeri) open and feeding on plankton at night, Philippines

Clark's anemonefish (Amphiprion clarkii) in Beaded Sea Anemone (Heteractis aurora), Philippines

Japanese Flying Squid (Todarodes pacificus), also knows as a Japanese common squid, in black water. This image was captured a mile off the island of Yap at night with the bottom 1000+ feet below. Hundreds of these squid passed by very quickly. This one paused just briefly for a portrait. It is one of the most abundant of the commercially valuable squid in the world, Yap, Micronesia

This larval stage of a long arm octopus, Octopus sp. is no more that five inches across (as pictured) and was photographed at night in midwater several miles off the Kona Coast during a blackwater dive, Island of Hawaii, Hawaii, United States of America

This juvenile Orange-fin anemonefish (Amphiprion chrysopterus) is pictured hiding in a beaded anemone (Heteractis aurora), Philippines

Mimic octopus (Thaumoctopus mimicus), Philippines. Some believe that this octopus intentionally mimics the appearance of other animals as a form of camouflage, Philippines

bigfin reef squid The male oval squid Sepioteuthis lessoniana can reach 14 inches in length Hawaii

bigfin reef squid The male oval squid Sepioteuthis lessoniana can reach 14 inches in length Hawaii

Tentacle of North Pacific Giant Octopus, Alaska USA

Hermit crab on Pacific Giant Octopus, Alaska