Actinopterygians, or ‘ray-finned fishes,’ are the largest and most successful group of fishes and make up half of all living vertebrates.
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
Fun fish facts for kids. ... What distinguishes fish from the other animal classes?
Fish are a class of aquatic vertebrates. The combination of gills, fins and the fact ...
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 ...
May 16, 2006 ... A fish is a vertebrate, an animal with a backbone, ... In general, fishes are
streamlined with a pointed anterior, (snout), and pointed posterior, ...
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.
Learn interesting facts about fishes and find out about their diversity, evolutionary
history ... FACT: Some species of fish migrate between freshwater and marine ...
Puffer fish is an easily recognized type of fish due to ability to transform and
enlarge its body in a split of a second. There are more than 120 species of puffer