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Aug 25, 2024 · Odontoceti: this includes dolphins, killer whales, porpoises, sperm whales and beaked whales. This group is very diverse, its main charcateristic being that they all have teeth. In this group we also find the Amazon river dolphin (Inia geoffrensis), a species of aquatic river mammal.
Sea Lions are charismatic semi-aquatic mammals belonging to the family Otariidae, often called the “ eared seals.”. This family includes Sea Lions, Fur Seals, and Walruses. They have sleek bodies, webbed flippers, long whiskers and playful behavior. They are highly social creatures are known for their agility in the water and on land.
- Pinnipeds. The pinniped group includes seals, sea lions and walruses. This group of animals are characterized by being fin-footed, carnivorous and mostly aquatic.
- Cetaceans. Cetaceans are the most diverse group of marine mammals and include species of whales, dolphins, and porpoises. There are roughly 90 different species of cetaceans and this diverse group of animals can be found in oceans and in some cases- rivers, all over the world!
- Sirenians. The sirenians, also known as the sea cows, are a group of herbivorous, slow-moving, fully aquatic mammals. Sirenians are broken up into two families; the dugongs and the manatees.
- Fissipeds. While you may have never heard of the term “fissipeds”, you likely know what a fissiped is. There are many species of fissipeds, but there are only two species of marine fissiped.
Aquatic mammal. An Amazon river dolphin (Inia geoffrensis), a member of the infraorder Cetacea of the order Cetartiodactyla. Aquatic mammals and semiaquatic mammals are a diverse group of mammals that dwell partly or entirely in bodies of water. They include the various marine mammals who dwell in oceans, as well as various freshwater species ...
- Manatees. Scientific Name – Trichechus. Type – Mammals. Diet – Omnivorous. These aquatic animals are found along some rivers and coasts of the Atlantic, South America, and parts of Africa.
- Sea Otters. Scientific Name – Enhydra lutris. Type – Mammals. Diet – Carnivorous. It is found on the coasts of North America and parts of Asia and spends most of its life in the water.
- Crabs. Scientific Name – Brachyura. Type – Crustaceans. Diet – Omnivorous. These are crustaceans found all over the world in oceans and seas. There are many different types of crabs in the water, but they all have similar behavior.
- Dolphins. Scientific Name – Delphinus. Type – Mammals. Diet – Carnivorous. There are various types of dolphins found in the world’s oceans, with the most common one being bottlenose dolphins.
Some marine mammals can swim at relatively high speeds. Sea lions swim up to 35 kph and orcas can reach 50 kph. The fastest marine mammal, however, is the common dolphin, which reaches speeds up to 64 kph. While swimming, these animals take very quick breaths. For example, fin whales can empty and refill their huge lungs in less than 2 seconds ...
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Feb 1, 2019 · Marine mammals are found in marine ecosystems around the globe. They are a diverse group of mammals with unique physical adaptations that allow them to thrive in the marine environment with extreme temperatures, depths, pressure, and darkness. Marine mammals are classified into four different taxonomic groups: cetaceans (whales, dolphins, and porpoises), pinnipeds (seals, sea lions, and ...
