Fish are broadly divided into three classes. TheOsteichthyes, or bony fish, include both ray-finned and lobe-finned fish, accounting for over 30,000 species in all, ranging from familiar food fish like salmon and tuna to more exotic lungfish and electric eels. TheChondrichthyes, or cartilaginous...
and reproduce by laying eggs. Eels, by contrast, have worm-like bodies and exceedingly slimy skin. Lungfish gulp air. Whale sharks, the largest fish, give birth to live young and eat only tiny fish, squid, and plankton. Some species, such as the weedy sea dragon, are so bizarre they ...
lungfish shark agnathan See all related content → Ask the Chatbot a Question Top Questions What is a fish? How do fish sleep? How do fish hear? News• Octopuses hunt alongside fish, but will wallop them if they fall out of line•Sep. 26, 2024, 2:49 AM ET (CBC) ...
Lungfish can live out of water for several years. It secretes a mucus cocoon and burrows itself under the unbaked earth. It takes in air with its lung through a built-in breathing tube that leads to the surface. A lungfish has both gills and a lung.[4] ...
•African Lungfish are capable of living out of water for up to two years. They hibernate underground and wait for the water level to rise.•Goldfish can live for decades. The oldest known Goldfish, "Goldie," died in 2005 at 45 years of age. The second oldest Goldfish was "Tish" ...
Facts About the Shoebill A shoebill’s broad wings may span up to 2.5m from tip to tip. Its flapping rate of approximately 150 flaps per minute is among the slowest of any bird. Shoebills are specialist predators of lungfish. Their distribution through tropical East Africa seems to coincide...
feeding opportunities. having a jaw makes a huge difference when it comes to eating food. because a jaw requires a head, all jawed vertebrates are also craniates. lungs, rayed, and lobed appendages all evolved after jaws. modern fish have ray fins, whereas lungfish have lobe fins. these ...
The Queensland lungfish is considered the oldest living fossil in the world. Also known as the Australian lungfish, Burnett salmon or barramunda, this fish has been in existence since the Triassic period – some 350 million years ago.
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lungfish shark agnathan See all related content Ask the Chatbot a Question Top Questions What is a fish? How do fish sleep? How do fish hear? fish, any of approximately 34,000speciesofvertebrateanimals(phylumChordata) found in the fresh and salt waters of the world. Livingspecies rangefrom ...