Fish are gill-bearing aquatic vertebrates which lack limbs with digits. Fish are usually covered with scales, and have two sets of paired fins, and several unpaired fins.
Fish are vertebrate animals that live in the water. Vertebrate means they have a
spinal cord surrounded by bone or cartilage. Fish have gills that extract oxygen ...
Apr 9, 2012 ... Random fish facts, including statistics, history, diversity, characteristics, and more.
Learn about the distribution, senses, species, and some unusual characteristics
Choosing and caring for fish
is what keeping an aquarium is all about. This guide covers everything from fish
species, to feeding fish
, to diagnosing and treating diesase. More »
Fun fish facts for kids. ... What distinguishes fish from the other animal classes? ...
the fact that they live only in the water make fish different from all other animals.
Fish have been on the Earth for over 500 million years - long before even the
dinosaurs roamed the planet. There are over 25,000 species - more than all the ...
Fun Facts – Fish Facts. Here is a list of fun facts about fish: • Fish have been on
the earth for more than 450 million years, whereas mammals have only been.
Fascinating facts about fish from U.S. National Marine Fisheries Service
Northeast Fisheries Science Center.
The 25,000 known species of fish are divided into three main groups. They are
the jawless, the cartilaginous (KAR-ti-LAJ-i-nus) and the bony fish. Jawless fish ...