The Pink Dolphin, Amazonas - Peru

El Delfín rosado, Amazonas – Perú

It is a species that lives in the Amazon River, has the scientific name of "Inia geoffrensis", it lives mainly in the tributaries of the Amazon River and they are large. They belong to a different family of sea dolphins. Sea dolphins belong to a family called Delphinidae, while the pink dolphin belongs to the Platanistoidea family.

From the Anatomy of the pink dolphin

There are not yet the necessary studies that conclude the reason why dolphins are pink, even so, it has its variants because there are pink, light gray or brown dolphins. Some data say that it could be an adaptation to life in the river or the presence of capillaries near the surface of the skin, providing them with such an impressive color. They acquire the pink color when they are excited or surprised. They have a longer snout than the sea dolphins, this is due to their adaptation to their environment and their evolution since they need it to find food at the bottom of the river, it also highlights the shape of their teeth that are more pointed than the sea dolphins. Most of the sea dolphins are almost blind because they inhabit the turbid waters of the rivers, they have a bigger and very well developed brain.

El Delfín rosado, Amazonas – Perú

Fun facts about the pink dolphin

  • (NICU) The International Union for the Conservation of Nature classified pink dolphins as a vulnerable threatened species, and have recently been classified as endangered species.
  • The color of their skin is usually of adult specimens, while the younger ones have a grayish-black back and a lighter belly, with a prominent head and small eyes.
  • They can weigh up to 130 kilos and measure up to 3 meters long when they reach full development.
  • River dolphins are smaller than sea dolphins.
  • Pink dolphins are more in touch with humans. In tribes of the Amazon it is common to hear several stories of people who have been expelled by the pink dolphins towards the shore.
  • They swim up to 30 kilometers in a day, they do it slowly in search of food at the bottom of the river.
  • They have a gestation period between 9 and 12 months, the offspring are born when the Amazon River is at its maximum level, between the months of May and June, with 75 centimeters long and weighing approximately 1 kilo.
    El Delfín rosado, Amazonas – Perú

    Of the threats against this species

  • The extraction of gold where mercury is used is detrimental to these species that are nearby, every day the death of this species increases due to the high levels of mercury contamination.
  • The Amazon River is a source of income for many families, therefore the ship traffic is imminent, the dolphins, due to their curious nature, get too close to these boats being affected by the propellers.
  • Engines that generate a lot of noise, machines, etc. with also a factor of acoustic contamination, which produces a disconcerting phenomenon in its navigation systems, thus causing its death.
  • El Delfín rosado, Amazonas – Perú

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