Marine Life

A:

Some species of fish, such as the moray eel, can swim backwards. Species of fish that do not swim horizontally include the catfish, the sea horse and the shrimp fish, who swim vertically.

See Full Answer
Filed Under:
  • What Are the Differences Between Sponges and Cnidarians?

    Q: What Are the Differences Between Sponges and Cnidarians?

    A: Cnidarians have groups of similar cells that work together as tissues, while sponges have no tissues, only disconnected regions of specialized cells. Each group has a type of cell unique to their group: Sponges have collar cells, and cnidarians have nematocysts. No sponges are capable of movement as adults, while some cnidarians move as adults.
    See Full Answer
    Filed Under:
  • What Are the Names of Some Scary Deep Sea Creatures?

    Q: What Are the Names of Some Scary Deep Sea Creatures?

    A: Angler fish, Pacific Viperfish, Wolfish, Goblin Shark and Sloane's Viperfish are just a few of the terrifying fish lurking in the ocean's depths. Once you move past the point where light reaches, the world's oceans turn into a terrifying place filled with strange creatures.
    See Full Answer
    Filed Under:
  • Where Do Dolphins Live?

    Q: Where Do Dolphins Live?

    A: The 42 known species of dolphins live in the waters of oceans and rivers all over the world. Dolphins are found everywhere, from shallow coastal waters to the deep of the open ocean, and they migrate to and from certain areas due to water temperature and food availability.
    See Full Answer
    Filed Under:
  • What Are the Adaptations of Dolphins?

    Q: What Are the Adaptations of Dolphins?

    A: Among the adaptations of dolphins are hydrodynamic bodies, blowholes on top of their heads, flippers and flukes and echolocation. Some scientists believe that dolphins are able to enjoy the benefits of sleep even while they're in the water by having one half of their brains alert and the other shut down.
    See Full Answer
    Filed Under:
  • What Are the Types of Eels?

    Q: What Are the Types of Eels?

    A: There are several species of eels, which fall into the families of either freshwater or saltwater eels. The two eel families are the family Anguillidae and the family Moninguidae. Eels in the first family share a common genus and reside primarily in North America; those in the latter class generally live in tropical locales and have different body shapes.
    See Full Answer
    Filed Under:
  • What Happens If Whales Become Extinct?

    Q: What Happens If Whales Become Extinct?

    A: Whales play an important part within the marine ecosystem, and if they were to disappear, the delicate balance of nature would be disrupted. According to Scitable, every time a whale dies, it leaves behind a carcass that provides food and vital nutrition for literally hundreds of marine life organisms. For instance, species of scavenger crustaceans and worms feast upon whale carcasses for sustenance.
    See Full Answer
    Filed Under:
  • How Many Dolphins Are Left in the World?

    Q: How Many Dolphins Are Left in the World?

    A: It is impossible to estimate the total dolphin population. There are 42 species of dolphin spanning many different regions. Some species' populations are known but no one has estimated the total for all dolphins.
    See Full Answer
    Filed Under:
  • Where Do Oysters Live?

    Q: Where Do Oysters Live?

    A: Oysters are most often found along the Atlantic Coasts and the Gulf of Mexico in North America. They live in estuaries, bays, tidal creeks and even in sounds. Oysters can survive in brackish- to full-strength seawater.
    See Full Answer
    Filed Under:
  • What Is the Difference Between a Colossal Squid Vs. a Giant Squid?

    Q: What Is the Difference Between a Colossal Squid Vs. a Giant Squid?

    A: The main difference between a colossal squid and a giant squid is size. The colossal squid's body is larger than the giant squid's, but the colossal squid has shorter tentacles. Colossal squids can grow to more than 1,000 pounds, while giant squids only reach about 600. Colossal squids also have larger beaks than giant squids, and their limbs have sharp hooks that swivel.
    See Full Answer
    Filed Under:
  • What Are Some Facts About Green Sea Turtles?

    Q: What Are Some Facts About Green Sea Turtles?

    A: A Green Turtle is an endangered, herbivore reptile. It can be found in tropical and sub tropical habitats. Its name derives from the green color of its skin and not the color of its shell, which is usually brown or olive. On average, it lives to be over 80 years old in the wild. Also, it can grow up to 5 feet long and weigh up to 700 pounds.
    See Full Answer
    Filed Under:
  • What Are Some Facts About Manatees?

    Q: What Are Some Facts About Manatees?

    A: Manatees are large, slow-moving aquatic mammals. They swim at speeds of about 5 mph, although they can triple that speed in very short bursts. Although slow, they are excellent swimmers, and are able to perform nimble water gymnastics.
    See Full Answer
    Filed Under:
  • What Is a Narwhal's Habitat?

    Q: What Is a Narwhal's Habitat?

    A: Narwhals live in the Arctic Ocean in the areas near Russia and the Atlantic Ocean. They have been found as far east as eastern Russia and as far south as Greenland.
    See Full Answer
    Filed Under:
  • How Do Animals Communicate Underwater?

    Q: How Do Animals Communicate Underwater?

    A: According to Discovery of Sound in the Sea, animals use sound to communicate underwater. They emit different types of sounds and gather information on their surroundings by the echoes from those sounds, a process called echolocation.
    See Full Answer
    Filed Under:
  • How Much Does a Seahorse Weigh?

    Q: How Much Does a Seahorse Weigh?

    A: A seahorse can weigh anywhere from less than 1 gram to up to 2 pounds. The big belly seahorse is the largest species of this aquatic animal and typically weighs close to 2 pounds.
    See Full Answer
    Filed Under:
  • How Many Pounds Does a Baby Blue Whale Gain During Its First Day After Birth?

    Q: How Many Pounds Does a Baby Blue Whale Gain During Its First Day After Birth?

    A: A baby blue whale gains about 200 pounds during its first day after birth. In fact, the young whale maintains this daily weight gain throughout its entire first year of life by feeding exclusively on its mother's milk. Each day the newborn also grows about one inch longer.
    See Full Answer
    Filed Under:
  • How Do Dolphins Use Echolocation?

    Q: How Do Dolphins Use Echolocation?

    A: Dolphins use echolocation for communicating with one another and for locating objects in their surrounding environments. Regardless of whether dolphins use echolocation for social purposes, such as communication, or for finding and avoiding obstacles, the mechanism of echolocation uses the same techniques. Dolphins generate beams or waves of clicking sounds, then pause to wait for a response, either from another dolphin or from an object.
    See Full Answer
    Filed Under:
  • What Do Piranhas Eat?

    Q: What Do Piranhas Eat?

    A: Piranha are carnivores that eat live prey and can also feed on insects, plants and even their own kind. These voraciously hungry fish tend to have a lurk-and-ambush style of attack that occurs en masse, with large groups of piranha feeding at once.
    See Full Answer
    Filed Under:
  • Where Do Sharks Live?

    Q: Where Do Sharks Live?

    A: Sharks are found in every ocean in the world and are sometimes found out of their habitat in rivers and streams. There are around 368 species of sharks in the world.
    See Full Answer
    Filed Under:
  • What Are the Characteristics of a Dwarf Crayfish?

    Q: What Are the Characteristics of a Dwarf Crayfish?

    A: Dwarf crayfish usually grow to 1.5 to 2 inches in length. In the wild, they are brown or gray with brown or blue tints, but a selectively bred bright-orange variety is popular in the aquarium market. Dwarf crayfish thrive in small tanks by themselves or in large tanks with other fish. They are omnivores and eat a variety of plant and animal life.
    See Full Answer
    Filed Under:
  • What Color Are Starfish?

    Q: What Color Are Starfish?

    A: Starfish color varies depending on the species and even the presence or absence of environmental threats — most species have the ability to change color, via camouflage, to match their surroundings. Some starfish are naturally tan and dark brown, while others may be light pink or crimson red.
    See Full Answer
    Filed Under:
  • What Do Seahorses Eat?

    Q: What Do Seahorses Eat?

    A: Seahorses feed on small crustaceans. Some of the favorites for seashores are shrimp and zooplankton, though they will eat nearly any live food.
    See Full Answer
    Filed Under: