Fish Articles

• Frogs and Reptiles
  New Species
  Animals
  Fish
  Early Humans
  Biology
   

  Frog zoology

  About 400 million years ago, some members of the sarcopterygian group of fish moved onto land. These became the first amphibians. Today, these animals still spend part of their lives in water and ... > more
• Marine Biology
  Ecology
  Fish
  Ecology Research
  Sea Life
  Oceanography
   
  

  Plankton

  Plankton are drifting organisms that inhabit the water column of oceans, seas, and bodies of fresh water. Plankton abundance and distribution are strongly dependent on factors such as ambient ... > more
• Fisheries
  Fish
  Marine Biology
  Invasive Species
  Food and Agriculture
  Wild Animals
   
  

  Crayfish

  Crayfish, sometimes called crawfish, are freshwater crustaceans resembling small lobsters, to which they are closely related. They are found in bodies of fresh water that do not freeze to the bottom, ... > more
• Frogs and Reptiles
  Fish
  Endangered Animals
  Sea Life
  Fisheries
  Marine Biology
   
  

  Sea turtle

  Sea turtles are found in all the world's oceans with the exception of the Arctic Ocean, and some species travel between oceans. The Flatback turtle is found solely on the northern coast of Australia. ... > more
• Exotic Species
  Invasive Species
  New Species
  Fish
  Geography
  Ecology Research
   
  

  Channidae

  The snakehead is a family with two genera (Asia: Channa, Africa: Parachanna) which consists of 30 scientific valid species of freshwater fish. The predatory fish is distinguished by a long dorsal ... > more
• Mammals
  Endangered Animals
  Spiders and Ticks
  Prions
  Nature
  Endangered Plants
   

  Columbian White-tailed Deer

  The Columbian white-tailed deer is one of 30 subspecies of the white-tailed deer in North America, and one of two subspecies found in Oregon, the other being the Idaho white-tailed ... > more
• Dinosaurs
  Fish
  Extinction
  Evolutionary Biology
  Marine Biology
  Evolution
   
  

  Ichthyosaur

  Ichthyosaurs were giant marine reptiles that resemble a dolphin with large teeth. They lived during a large part of the Mesozoic era, and appeared about 250 million years ago (Ma), slightly earlier ... > more
• Ecology Research
  Marine Biology
  Sea Life
  Extinction
  Fish
  Fisheries
   

  Coral bleaching

  Coral bleaching results when the symbiotic zooxanthellae (single-celled algae) are released from the original host coral organism due to stress. The corals that form the structure of the great reef ... > more
• Birds
  Fish
  New Species
  Nature
  Marine Biology
  Endangered Animals
   
  

  Seabird

  Seabirds are birds that spend much of their lives, outside the breeding season at least, at sea. Whilst the seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking ... > more
• Birds
  Wild Animals
  Zoology
  Fish
  Bird Flu Research
  New Species
   
  

  Osprey

  The Osprey is a medium large raptor which is a specialist fish-eater with a worldwide distribution. It is often known by other colloquial names such as fishhawk, seahawk or Fish Eagle. It is the only ... > more

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