DOLPHIN CLASSIFICATION

Hasil gambar untuk lumba lumba

DOLPHIN
Dolphins are highly intelligent marine mammals, besides the natural systems that complement their bodies are very complex. So many technologies are inspired by dolphins. One example is the skin of a dolphin which is able to reduce friction with water, so that dolphins can swim with little water resistance. This is what swimmers use to design swimsuits that resemble dolphin skin.

Dolphins have a system that is used to communicate and receive stimuli called the sonar system, this system can avoid objects that are in front of the dolphins, so they avoid collisions. This technology is then applied in submarine radar manufacturing. Dolphins are mammals because dolphins are mammals. They live in the sea and rivers throughout the world. Dolphins are relatives of whales and dolphins. There are more than 40 types of dolphins
Newborn baby dolphins will be brought to the surface by their mothers so they can breathe air. Dolphins need to rise to the surface to breathe to stay alive. Dolphins breathe through air holes located above their heads. Its sleek and slim body is perfect for swimming. Mother dolphins feed their children with savory milk and provide energy for their children to grow up quickly. Every child dolphins are always near his mother, so his mother can protect from danger. Dolphins always maintain relationships with their children to grow bigger. Mother dolphins call their children with special whistles that they can recognize.














Dolphins live and work in groups or are called herds. They often play together. A dolphin can not sleep well under water. He can sink. Therefore, he was half asleep several times a day. Dolphins eat squid and fish like gray mullet fish. Sometimes dolphins herd fish herds for easy capture. Dolphins find their way by sending sounds in the water. If the sound hits an object, the sound will be reflected back as an echo. Sometimes, noise in the sea due to oil drilling can confuse dolphins. They will experience difficulties in sending and receiving messages. Because dolphins can communicate, dolphins are said to be the most intelligent animals, more than chimpanzees. 

Kingdom: Animalia
Filum: Chordata
Kelas: Mammalia
Ordo: Cetacea
Subordo: Odontoceti
Famili: Delphinidae



 TAKSONOMI
Suborde Odontoceti, toothed whales
        Delphinidae Family, Ocean Dolphins
            The genus Delphinus
                Long snout dolphins, Delphinus capensis
                Short snout dolphin, Delphinus delphis
            Genus Tursiops
                Bottle nose dolphins, Tursiops truncatus
                Indo-Pacific Bottlenose Dolphin, Tursiops aduncus
            The genus Lissodelphis
                Northern Rightwhale Dolphin, Lissodelphis borealis
                Southern Rightwhale Dolphin, Lissiodelphis peronii
            Sotalia genus
                Tucuxi, Sotalia fluviatilis
            Genus Sousa
                Indo-Pacific Hump-backed Dolphin, Sousa chinensis
                    Chinese white dolphins (a type from China), Sousa chinensis chinensis
                Hunched Atlantic dolphins, Sousa teuszii
            Genus Stenella
                Atlantic Spotted Dolphin, Stenella frontalis
                Clymene Dolphin, Stenella clymene
                Pantropical Spotted Dolphin, Stenella attenuata
                Spinner Dolphin, Stenella longirostris
                Striped dolphin, Stenella coeruleoalba
            Geno Steno
                Rough-Toothed Dolphin, Steno bredanensis
            Cephalorynchus genus
                Chilean dolphin, Cephalorhynchus eutropia
                Commerson's Dolphin, Cephalorhynchus commersonii
                Heaviside's Dolphin, Cephalorhynchus heavisidii
                Hector's Dolphin, Cephalorhynchus hectori
            Grampus genus
                Risso's Dolphin, Grampus griseus
            The genus Lagenodelphis
                Fraser's Dolphin, Lagenodelphis hosei
            The genus Lagenorhyncus
                Atlantic-sided white dolphins, Lagenorhynchus acutus
                Dusky Dolphin, Lagenorhynchus obscurus
                Hourglass Dolphin, Lagenorhynchus cruciger
                The Pacific white-sided dolphin, Lagenorhynchus obliquidens
                Peale's Dolphin, Lagenorhynchus australis
                White snout dolphin, Lagenorhynchus albirostris
            Genus Orcaella
                Australian Snubfin Dolphin, Orcaella heinsohni
                Pesut, Orcaella brevirostris
            Peponocephala genus
                Melon-headed Whale, Peponocephala electra
            Genus Orcinus
                Killer Whales, Orcinus orca
            Genus Feresa
                Dwarf Killer Whale, Feresa attenuata
            Pseudorca genus
                Fake Killer Whales, Pseudorca crassidens
            The genus Globicephala
                Long-finned Pilot Whale, Globicephala Weld
                Short-finned Pilot Whale, Globicephala macrorhynchus
        Platanistoidea Familia, River Dolphins
            Genus Inia
                Boto (Amazon River Dolphin), Inia geoffrensis
            Genus Lipotes
                China River Dolphins (Baiji), Lipotes vexillifer
            Platanista genus
                The Ganges River Dolphins, Platanista gangetica
                Indus River Dolphins, Platanista minor
            Genus Pontoporia
                La Plata Dolphin (Franciscana), Pontoporia blainvil

The Chordata phylum is a group of animals, including vertebrates and some animals that resemble invertebrates that have similar characteristics.
# Chordates include animals that have the following characteristics:
    - Has a notocord, which is a hard but flexible bar-shaped skeleton. The notocord is located   between  the digestive tract and the nerve cord, extending along the body to form a skeletal axis.
 - Having a single nerve cord, perforated located dorsal to the notocord
- has an enlarged anterior end of the brain.
 - Has a tail that extends posteriorly toward the anus.
 -Have pharyngeal gaps

# Mammals or mammals are a class of vertebrate animals which are mainly characterized by the presence of mammary glands.
# Ordo Cetacea (L. cetus, whales) including whales, dolphins and dolphins. Cetus is Latin and is used in biological naming which means "whale"; the original understanding, "large sea animal", is more common.
# Odontocetim is infraordo of the subordo artiodactyla cetacea, including sperm whales, beaked whales, dolphins, etc.
# Dolphins belong to the Delphinidae family. This word comes from the Greek δελφύς (delphus) which means womb, because ancient people often called them 'fish' with the womb

Life cycle


    Baby
    Baby dolphins (also called calves) are born after 11-12 months of pregnancy.
https://adearisandi.files.wordpress.com/2011/08/bayi-lumba-lumba.jpg
    dolphin fetus
gambar lumba lumba

Dolphin and baby

    Teenager
    After 3-6 years old, juvenile dolphins will decide on their own way of life to remain in the herd's flock or leave the mother and herd.

    Adult
    At the age of 5-13 years, adult female dolphins will return to the group where they were born. A herd of dolphins is also known as a pod, for a herd with hundreds of dolphins in it is often referred to as a superpod. Dolphins reach sexual maturity at around 7-12 years for females and 10-15 years for males.
penis lumba lumba
dolphin penis

male dolphin reproductive organs

Adult male dolphins like to get along and move between females. They are free from responsibility and just wandering, the only role they play is marriage. Whereas adult females play a major role in all decisions, especially in protecting and feeding their children.

    Mating period
    Around the age of 12 years, male dolphins will find a partner to breed. They are sometimes involved in acts of aggression as a form of competition for females. Mating season usually occurs during spring. Dolphins will explore the period of introduction with a partner for days. At this time, the couple will always be seen swimming together and caressing each other with their fins. The mating process is very fast, usually in seconds.

    Birth Process
    Unlike terrestrial mammals, the birth process of dolphins starts with the tail coming out first. This is because if the head comes out first, there won't be enough time for the baby to reach the surface to breathe. The birth process of a dolphin takes about 3 hours, and during this process there will be blood, which will lure predators like sharks to approach. To protect the mother dolphin during childbirth, other dolphins in the group will form a circle around it. Newborn baby dolphins will be assisted by the mother brought to the surface in order to breathe air. Female dolphins will usually give birth about every 4 or 5 years. They choose to care for their children first until they are quite independent, before they are pregnant with their next child. A dolphin can have up to 11 children in their lifetime, and can still mate until the age above 40 years. The life expectancy of male dolphins is 40 years, and 50 years for females.

QUESTION
1.what is a sonar system?
2.what is taksonomi of dolphin?

https://www.canva.com/design/DADqVs7y9eI/O5HttdMSyaMXBODX00BeNg/view?utm_content=DADqVs7y9eI&utm_campaign=designshare&utm_medium=link&utm_source=publishsharelink

Komentar

Postingan Populer