In Northern Brazil, people sell their body parts as charms for good luck, love, and money

Mamíferos de Colombia



In Northern Brazil, people sell their body parts as charms for good luck, love, and money

97% predicted population decline over the next three generations

Tucuxis, also known as the gray dolphins or Sotalia fluviatilis, represent a fascinating species of dolphins that inhabit both saltwater and freshwater environments across warm tropical and subtropical regions. Despite their relatively diminutive size compared to some of their larger cetacean relatives, Tucuxis possess a distinctive charm and adaptability that sets them apart in the marine world.

Measuring between 48 to 60 inches (4 to 5 feet) in length, Tucuxis boast sleek, gray bodies accentuated by a long and slender beak, along with a gracefully curved dorsal fin that adorns their backs. Their compact yet agile physiques are complemented by sharp teeth, which they employ with remarkable hunting prowess to secure their meals from the diverse array of prey found within their aquatic habitats.

One of the most captivating aspects of Tucuxis is their highly social nature. These dolphins are frequently observed swimming in cohesive groups, where they engage in intricate social behaviors and communicate with one another through a repertoire of high-pitched whistles and clicks. This sophisticated system of vocalizations allows Tucuxis to coordinate their movements, locate prey, and navigate their dynamic underwater environment with precision and efficiency.

Furthermore, Tucuxis are renowned for their acrobatic prowess, often delighting onlookers with breathtaking displays of agility and coordination. These graceful creatures are known to leap out of the water in spectacular arcs, showcasing their agility and athleticism in a mesmerizing spectacle of aquatic grace.

Despite their enchanting demeanor and remarkable adaptability, Tucuxis face a myriad of challenges in their natural environment. Human activities such as habitat degradation, pollution, overfishing, and incidental capture in fishing gear pose significant threats to the long-term survival of these charismatic dolphins. Additionally, the construction of dams and other water management infrastructure can disrupt their migratory patterns and access to essential freshwater habitats.


Population est.

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd / Pod

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No