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nemo

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by

Sandra Manjon Blanco

on 19 November 2013

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Transcript of nemo

FEMALE
MALE
Spermatozoe
Ovule
embryo
egg
fry
yolk sac
reabsorbed sac
EXTERNAL FERTILIZATION OF THE CLOWNFISH
The female leaves its eggs near the male and waits to him to put its spermatozoa in the eggs she has already put.

Breeding of fish that includes the stage between the larva and adult.
The male leaves its spermatozoa
in the water and the sperma look for the eggs to enter.
The embryo is the initial stage of development of a living while in the egg or in the womb of the mother.
The eggs is a compact mass in a bag forming oval eggs .
reproduction
• Dropout of eggs randomly.


• deposit eggs in a nest built or natural shelter.


• Suspension of eggs in a holder.


• Deposit in the mouth of a parent.


• Burial of the eggs in the sediments.
REPRODUCTION OF CLOWNFISH
Reproduction of clownfish is very complex. Several species live together near the same anemone. The largest individual is always a female and the second, in order of size, is always the breeding male. All other fish are males in different states of maturity. If the female dies, the male becomes female and the second largest clownfish becomes the breeding male.
" FINDING NEMO"
"Finding nemo"popularized this fish.But unfortunately, it seems that we didn't catch the message of the film. And the clownfish sales inreased greatly , reaching 150.000 sell more copies of this fish this may eventualy lead to the danger of this species.
characteristics
The clown fish is characterized by its intense red, pink or orange and white color. It comes from the Indo-Pacific coral reefs and live together with anemones, theoretically a predatory species, from which it obtains protection against potential attackers.
Habitat
the clown fish habitat is the Pacific Ocean, the Indian Ocean and the Red Sea
curiosities
--They are carnivores but they also need a small contribution vegetarian diet.
--Have a very special sense of direction.
--At least 60% of them are able to go on a journey so that we would like to take us to another province in a way we do not know and have never seen it, and lost it back to our house without maps and without being able to ask nobody

More curiosities
--The mystery that has yet to be deciphered is if they get that amazing way inmunity one theory says simply scrub off the eggs of their future offspring to immunize against the tentacles slowly so that when they are born and are ready.
--what is perhaps most striking is the tremendous ferocity with which the advocates if a diver is put in front of them and try to get too his reaction and his courage are worthy of the best samurai member


Basic characteristics
--Clownfish is a subfamily of marine fishes of the family pomacentridae,known as clownfish
or anemone fish.
--They measure between 6 and 15 cm.

MUCOSE
All fish in the subfamily,have a mucose membrane covering its scales.
Mucus usually contains high amounts of lipids and gicoproteins however Amphiprioninae subfamily have a special adaptation in the mucus layer being much thicker and thicker.
TYPES OF CLOWNFISH
amphiprion akallopisos
amphiprion clarkii
amphiprion nigripes
amphiprion sebae
By Laura,Sandra and Barbara
Full transcript