Hey guys it's Kerry lots of interesting whales and other sea animals
today
spiny lobster they have long antennas instead of claws and they are
found in tropical warm waters
the lobster molts its shell each year to grow a new larger one
the shell cannot expand in size as the lobster grows
Maine lobster clawed lobsters inhabit cold waters
mating only takes place shortly after the female has molted
and her exoskeleton is still soft the female releases a pheromone which
causes the male to become less aggressive and to begin courtship
which involves a dance with their claws closed
the male inserts sperm packets into the female
seminal receptacle using his first pleopod
sei whale it is the third largest rorqual after the blue whale and fin whale
as a baleen whale it is among the fastest of all cetaceans
and can reach speeds up to 50 kilometers per hour
over short distances finback whale is the second largest
animal in the world it is also known as the razorback due to
the grooves and plates that design their bodies
killer whale they are the largest member of the dolphin family
they are top level carnivores their diet vary seasonally and regionally
day-to-day behaviour generally consists of foraging
traveling resting and socializing killer whales frequently engage in
surface behavior such as breaching and tail
slapping
these behaviours have a variety of purposes
such as courtship communication dislodging parasites
or just play spy hopping is a favorite behaviour in which a whale
holds its head above the water to view its surroundings
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dolphin they are able to leap nine meters
they have streamlined bodies and two limbs
that are modified into flippers they use their conical-shaped teeth to
capture fast-moving prey
Vaquita porpoise it is the smallest living species of cetacean
humpback whale it is known for breaching and other distinctive surface behaviors
making it very popular with whale watches
males will produce a complex song lasting between 10 and 20 minutes which
they keep on repeating
blue whale they reproduce through sexual meiosis
the male and female each produce haploid gametes
male gametes are sperm and the female gametes
are eggs a single sperm and egg fertilize
to form a diploid zygote they fertilize internally
meaning sperm is deposited inside the female
this usually happens after a very elaborate mating ritual
the male and female spend time rolling around each other
then they take a deep dive into the ocean abyss
as they continue to communicate with each other
suddenly they fly upwards and cross the surface
and as they do the male deposits his sperm
inside the female females have a long villa with two
nipples on each side to nourish newborns
grey whale they are often hosts to dense infestations of skin parasites
which gives their skin a rough and motley appearance
minke whales are the smallest of the fin back whales
the head is pointed and bullet-like with a relatively small
rostrum
pilot whale are among the largest of the oceanic dolphins exceeded in size
only by the orca
right whale they have the largest penis and testes of any whales
the penis can measure up to 2.7 meters and the test is up to 2 meters in length
and weighing up to 525 kilograms by far the largest of any animal on
earth
which is about 10 times the size of those of the blue
whale beluga whale this cetacean
has adapted to life in the cold seas the absence of a dorsal fin allows it to
swim under ice with ease Blainville's beaked whale it has
two distinctive horn-like teeth that grow from bulges
in the lower jaw they are often encrusted with barnacles
bowhead whale have dark bluish black skin
with patches on the jaw belly and tail it does not have a dorsal fin their main
predators are killer whales Narwhal
in males the most prominent tooth grows into a sword-like spiral tusk
measuring up to 2.7 metres sperm whale they are the largest of the
odontocetes and the most sexually demorphic
cetaceans with males considerably larger than
females it is the only living cetacean that has
a single blowhole asymmetrically situated on the left side
of the head near the tip their large conical teeth grow to 20
centimeters in length
pygmy sperm whale are small robust whales
with a distinctive underslung jaw not unlike
sharks they have the shortest rostrum among cetaceans Please stay
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