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Manatees (/ ˈmænətiːz /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows. There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian ...
Fish are cold-blooded animals that live exclusively in water, while mammals are warm-blooded and can live in various habitats, including land and water. Fish have gills to extract oxygen from water, while mammals have lungs to breathe air.
1 cze 2024 · The six main animal groups are invertebrates, fish, amphibians, reptiles, birds, and mammals. Each type exhibits unique evolutionary adaptations, enabling them to thrive in diverse environments.
Most marine mammals, such as seals and sea otters, inhabit the coast. Seals, however, also use a number of terrestrial habitats, both continental and island. In temperate and tropical areas, they haul-out on to sandy and pebble beaches, rocky shores, shoals, mud flats, tide pools and in sea caves.
3 mar 2023 · The little skate (Leucoraja erinacea) is a cartilaginous fish related to rays and sharks (as opposed to bony fish, including sarcopterygians). It is another fish that “walks” underwater on...
Mammals, birds, reptiles, amphibians, and fish are all chordates, a few invertebrates are chordates too. Gills. Organs for gas exchange. Most fishes breathe with gills. However, some fishes have lungs, some can exchange gas through their skins, and some are able to gulp air and exchange gas through their stomachs. Scales
A seahorse (also written sea-horse and sea horse) is any of 46 species of small marine bony fish in the genus Hippocampus. "Hippocampus" comes from the Ancient Greek hippókampos (ἱππόκαμπος), itself from híppos (ἵππος) meaning "horse" and kámpos (κάμπος) meaning "sea monster" [4][5] or "sea animal". [6]
