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Tuesday, January 6, 2009

Species: Cyanea Octopus, Part II

Here are more fascinating facts about the Cyanea Octopus:

  • Unlike most octopuses, the Cyanea Octopus feeds during daylight hours. Its prey includes fish, crabs, shrimp and bivalve mollusks such as clams, oysters, and scallops.

  • Camouflage is not only a handy tool for the Cyanea Octopus, it is also a necessary survival tool, as this octopus is preyed upon by sharks, moray eels, and Hawaiian monk seals.

  • Courtship behavior of the Day octopus begins as the male displays coloring of dark brown with white spots and slowly approaches the female, who is typically in full camouflage. Males have a long modified third right arm that they hold in an upright coiled position and wave toward the female. If the female is receptive to the signaling male, he inserts his arm into the female's oviducts to pass spermatophores from arm's length.

  • The male may keep his distance to avoid the risk of being eaten by the female, a behavior that has been observed in the wild after mating.

  • Female Cyanea Otopuses lay their eggs strategically in a hard-to-reach space within their lairs. Once the eggs hatch into planktonic juveniles, they feed on zooplankton during the early stages of development.

1 comment:

Anonymous said...

Awesome picture, in their natural habitat these animals look incredible.

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