Squid
is classified in group cephalopods, Coleoidea subclass, order Teuthida. There
are two major suborders of myopsina and oegopsina. Oegopsina is classified in
giant squid group (giant squid).Teuthidia is the largest cephalopod order of
about 300 species in 29 families. Researchers predict that there are about 200
species of squid that have yet to be identified. Generally squid has eight arms
and two tentacles. There is also a kind of squid with 10 arms. Its tentackles
serve to capture and to hold the prey with help of its arms. Each of the arms
and tentacles have round inflatable acting as a sucker that strengthens grip. His arm will direct the prey to the mouth. Each arm is connected directly to the head of
the squid.
On his head was a large pair of eyes. Big eyes made it easy to find food and detect
enemies. Squid resemble fish by its body shape
and has a pair of fins at
the end of the body. The
combination of the body tube and active fins give
an advantage to accelerate and stop suddenly.One of its superiority ink is
black ink. It will squirt the ink
when it feels threatened. If the
ink fountain splashes, it will cause our views are blurred in a few minutes. During this period squid was able to
escape from the enemy. There are
squid species that is capable of controlling the ink fountain to be released
little by little repetitive.Among other benefits, is the existence of squid is
chromataphores that helps to disguise the color of their surroundings. Chromataphore also function during
mating ritual. During the process
of disguise, chromataphores on squid body will produce light cloud that attract
crabs and small fish to come nearby.The majority of the squid has a body length
of not less than 40cm (24 inches). Giant
squid are able to reach lengths of up to 14 meters (46 feet). The biggest squid can weigh up to
1,000 pounds. Humboldt squid
capable to attack shark to make as food .Squid breathe
using gills like fish and mostly able to live for a period of approximately one
year. Squid like to live in a hot
area and only a few live in a cool and deep.
According
to scientists, the squid is a species that can be used as an indicator of the
quality of sea water. Some said squid cant live in the contaminated area. Area
containing squid showed that water quality is good. Squid live in groups and
nomadic. Squid will follow the pattern of its food movement. It will stop in a
safe area and have enough food. Squid also stopped for a moment at a location
to spawn . Climate change, particularly global warming could inhibit the growth
and reproduction of squid. Squid can digest food well in warm temperate areas.
An increase in temperature lowers the survival of squid to live and reproduce.
Global warming will also limit the presence of food such as fries, shrimp and
crab.
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