Search results
Results From The WOW.Com Content Network
Some Arthropod groups can swim – including many crustaceans. Most crustaceans, such as shrimp, will usually swim by paddling with special swimming legs . Swimming crabs swim with modified walking legs . Daphnia, a crustacean, swims by beating its antennae instead. There are also a number of forms of swimming molluscs.
They are clumsy on land, and move on land by lunging, bouncing and wiggling while their fore-flippers keep them balanced; [29] when confronted with predators, they retreat to the water as freshwater phocids have no aquatic predators. [48] The pygmy hippopotamus has four weight-bearing limbs, and can walk on land like a fully terrestrial mammal.
A walking hamster. Animals show a vast range of gaits, the order that they place and lift their appendages in locomotion. Gaits can be grouped into categories according to their patterns of support sequence. For quadrupeds, there are three main categories: walking gaits, running gaits, and leaping gaits.
This animal is noticeable from its larger size (exceeded only by the elephant seals), nearly hairless skin, flattened snout and long upper canines, known as tusks. Like otariids, walruses can walk on land with their hind limbs. When moving in water, the walrus relies on its hind limbs for locomotion, while its forelimbs are used for steering.
Evolutionary theory says all animals that are walking on land actually evolved from sea-dwelling creatures at some point in the ancient past. To study this further, scientists from McGill ...
Native to south-east Asia, this fish has strong spines on its pectoral fins that enable its body to "walk" across dry land. It travels from waterhole to waterhole, where it seeks refuge and makes ...
Loons swimming in Wood Lake, BC on a summer morning. Loons are excellent swimmers, using their feet to propel themselves above and under water. However, since their feet are located far back on the body, loons have difficulty walking on land, though they can effectively run short distances to reach water when frightened.
This suborder of fish also use a labyrinth organ to breathe air. Some species from this group can move on land. Amphibious fish from this family are the climbing perches, African and Southeast Asian fish that are capable of moving from pool to pool over land by using their pectoral fins, caudal peduncle, and gill covers as a means of locomotion.