Cephalopods are amongst
the most intelligent creatures on earth.
These diverse mollusks are highly organized and include cuttlefish,
nautiluses, squids and my current favorite, octopus. The term cephalopod is a
simple word meaning head foot, but there is a little more to them than that. Octopuses are a bilateral creature with eight
tactile arms outfitted with suction cups. Their dexterity is amazing as they
grip objects while crawling and foraging about the bottom. Their favorite prey
is small crabs, shrimp and other shelled crustaceans. Many of the Nocturnal or
night-active octopuses also eat clams and other octopus cannibalizing smaller
and weaker octopus. Using their powerful beaks the octopus will drill past the
shell of their prey and rasp out or tear apart the flesh of its prey.
Octopus are extremely
agile and even the largest octopus (pacific giant octo-30 foot diameter when
spread out) can squeeze their bodies into or through a passage as small as
their beak.
Over the years our star
has evolved a special jet or siphon used for exhaling its defensive ink and
waste, well developed large eyes for hunting in low light and the ability to
change colors and body textures instantly for complete environmental cloaking. Often
our little friends will go undetected until they feel threatened, then in a
flash jetting away leaving a cloud of ink in its wake.
The reproduction is
accomplished sexually when the male deposits the spermataphore packets into the
female’s mantle area. One of the males arms develops at an early age to serves
as the reproductive organ to carry out the task.
Typically the eggs are
attached to a rock or in a small crevice where the female will guard them
literally with her life. Eating very little during the entire gestation period,
the female dies once the eggs begin to hatch.
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A miniscule para-larvae escapes joining the plankton stew |
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these things and
be able to escape predators too. Notice that she is turned inside-out being
careful not to injure any of her babies or damage any of her eggs.
The male dies soon after depsoting the sperm packet under the females mantle. The female can hold the packet or packets until she is ready to fertilize the eggs. The female stops eating and hunting during the brooding period and once the eggs have hatched she will die becoming senescent and succumbing to malnutrition and starvation.
A watchful and protective mother peers at me, wondering what my next move might be
Exhausted, this brooding blue veined octopus pears at me with somewhat suspicious eyes preparing for the "ultimate sacrifice".
I returned to shoot more photos of this incredible occurrence but she was no where to be found.
These Photos were all captured in Late May of 2012,
Nikon D300s
YS 250 Pro strobes
Low ISO and High f-stops
Special thanks to:
Crystal Blue Resort, Anilao Philippines
Guide: Edgar Atienza.