Inia geoffrensis - Learn about river dolphins

Amazon river dolphin (Inia geoffrensis)

The pectoral and caudal fins are larger than the dorsal fin which is also quite small and not very pronounced.


Várzea consists of muddy river waters containing a vast number and diversity of nutrient rich species.

In 2014, the population in the - basin was proposed to define an additional species, Inia araguaiaensis, but this remains debated.

Description: The male takes the initiative by nibbling the fins of the female, but reacts aggressively if the female is not receptive.

Views: 7025 Date: 07.09.2022 Favorited: 5 favorites
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In their freshwater habitat they are apex predators and gatherings depend more on food sources and habitat availability than in oceanic dolphins where protection from larger predators is necessary.
When they surface, the tips of the snout, melon and dorsal fins appear simultaneously, the tail rarely showing before diving.

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    Inia geoffrensis Pour les articles homonymes, voir Boto (Burkina Faso) et Butu . Inia geoffrensis Classification Règne Animalia Sous-règne Bilateria Infra-règne Deuterostomia Embranchement Chordata Sous-embr. Vertebrata Infra-embr. Gnathostomata (Vertebrata) Super-classe Tetrapoda Classe Mammalia Sous-classe Theria Infra-classe Eutheria Ordre Cetacea Sous-ordre Odontoceti Genre Inia Espèce.
    By: EV3REST|||||||||
    The Amazon river dolphin, also known as the pink river dolphin or boto, lives only in freshwater. It is found throughout much of the Amazon and Orinoco river basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. It is a relatively abundant freshwater cetacean with an estimated.
    By: BoardWithLife|||||||||
    In 2012 the Society for Marine Mammalogy began considering the Bolivian (Inia geoffrensis boliviensis) and Amazonian (Inia geoffrensis geoffrensis) subspecies as full species Inia boliviensis and Inia geoffrensis, respectively; however, much of the scientific community, including the IUCN, continue to consider the Bolivian population to be a.
    By: cmhamm|||||||||
    Inia geoffrensis. Diet: Carnivore. Size: Up to 8 feet long. Weight: Up to 450 pounds. Current Population Trend: Unknown. Every spring when the rains fall in South America, the Amazon River and its.
    By: arcticdrift|||||||||
    Boto (Amazon River Dolphin), Inia geoffrensis – (Family Iniidae) Chinese River Dolphin (Baiji), Lipotes vexillifer (considered functionally extinct) – (Family Lipotidae) Ganges River Dolphin, Platanista gangetica gangetica and Indus River Dolphin, Platanista gangetica minor – (Family Platanistidae)
    By: galaxyfudge||||||||| - 2022
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