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Manatees are aquatic mammals that belong to a group of animals called Sirenia. This group also contains dugongs. Dugongs and manatees look quite alike - they're similar in size, colour and shape, and both have flexible flippers for forelimbs. One way to tell them apart is by the shapes of their tails: manatees have a broad, rounded tail ...
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Seals, walruses, whales, otters, and others rely on the back end of their bodies—their tail—to produce thrust. Instead, the sea lion tail is used like a rudder. By using their front flippers, sea lions are easily the fastest group of pinnipeds. Most pinnipeds cruise at speeds around 5 to 15 knots, though sea lions sometimes reach bursts up ...
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 ]
- They may not look like it, but they’re technically fish. Due to their unique anatomical shape and lack of scales, many people may not consider seahorses ‘fish’ at first, but they are indeed!
- Romance is real in the seahorse world. Seahorse couples are essentially serial monogamists, sticking with one partner for long periods of time. Remaining committed to a single partner enables seahorses to pass through multiple reproduction cycles during each mating season, heightening the likelihood of successful, continuous procreation over time.
- Males take the lead when it comes to the labor of childbirth. Seahorse ladies need not fret when it comes to gestation and childbirth. Perhaps one of their most distinctive traits, the Syngnathidae family (which includes both seahorses and their cousins, pipefishes and seadragons) stands remarkably unique in that it’s the males that carry the burden of pregnancy, not the females.
- Seahorses are infamously awful swimmers. Seahorses aren’t just different from other fish in their external appearance, either: they’re also ridiculously poor swimmers.
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There are three species of manatee: the Amazonian manatee (Trichechus inunguis); the West Indian manatee, or the American manatee (Trichechus manatus); and the African manatee (Trichechus senegalensis). Their names indicate the regions in which they live. Typically, manatees stay in rivers, seas and oceans along the coast of several countries. The ...
Manatees often swim alone or in pairs. They are not territorial, so they have no need for a leader or followers. When manatees are seen in a group, it is either a mating herd or an informal meeting of the species simply sharing a warm area that has a large food supply. A group of manatees is called an aggregation. An aggregation usually never grows...
Manatees are herbivores. At sea, they tend to prefer sea grasses. When they live in rivers, they consume freshwater vegetation. Manatees also eat algae. According to National Geographic, a manatee can eat a tenth of its own weight in 24 hours. That can equal up to 130 lbs. (59 kg).
During mating, a female manatee, which is called a cow, will be followed around by a dozen or more males, which are called bulls. The group of bulls is called a mating herd. Once the male has mated, though, he takes no part in the raising of the young. A female manatee is pregnant for about 12 months, according to Save the Manatee Club. The calf, o...
According to the Integrated Taxonomic Information System (ITIS),the manatee's full classification is: 1. Kingdom: Animalia 2. Subkingdom: Bilateria 3. Infrakingdom: Deuterostomia 4. Phylum: Chordata 5. Subphylum: Vertebrata 6. Infraphylum: Gnathostomata 7. Superclass: Tetrapoda 8. Class: Mammalia 9. Subclass: Theria 10. Infraclass: Eutheria 11. Ord...
The IUCN's Red List of Threatened Species lists all manatees as vulnerable or endangered and facing a high risk of extinction. Populations are expected to decline by as much as 30 percent over the next 20 years. Numbers are hard to come by, especially for the secretive Amazonian manatee; the IUCN says the estimate of 10,000 manatees should be regar...
Manatees are thought to have evolvedfrom four-legged land mammals more than 60 million years ago. Except for the Amazonian manatee, their paddlelike flippers have vestigial toenails — a remnant of the claws they had when they lived on land. The Amazon species name "inunguis" is Latin for "without nails." The name manatee comes from the Taíno (a pre...
The USGS Sirenia Projectconducts long-term, detailed studies of the West Indian manatee.The Florida Manatee Programcan tell you where to see manatees and provides a boater's guide to avoid collisions.At Save the Manatee Club, you can "adopt" a real manatee. Donations help fund manatee conservation."Dec 20, 2018 · Hornerd Marine Species: Cowfish (Lactoria Cornuta) The cow fish is a variety of boxfish (Ostraciidae) which is easily recognizable by the long horns that protrude in front of its head, similar to those of a cow or a bull. These fish are about 10 cm long, although some specimens can reach up to 51 centimeters in length.
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Dec 2, 2018 · Old adult males may be almost entirely white. Narwhals lack a dorsal fin, possibly to aid in swimming under ice. Unlike most whales, the neck vertebrae of narwhals are jointed like those of terrestrial mammals. Female narwhals have swept-back tail fluke edges. The tail flukes of males are not swept back, possibly to compensate for the drag of ...
