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What are three characteristics of bony fish?

Answer

One of the characteristics of a bony fish is the bony skeleton. The second is that they have a swim bladder, which is a gas-filled sac that helps them maintain buoyancy. The third is that they have a operculum for breathing.
Q&A Related to "What are three characteristics of bony fish?"
Bony fish have skeletons that are made of bone, but they also have a hard body plate called an operculum covering their gills, and they may also have spines in their fins.
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1. Preheat your oven to 250 degrees Fahrenheit. 2. Season the fish with salt and pepper. Place it in a pan. Cover the fish with bacon and surround it with sliced lemons. 3. Add about
http://www.ehow.com/how_8144782_cook-bony-fish.htm...
For the fishes, I would add, members of the family Mormyridae, many of which are known as "elephantfish" would rank at the top. They have the highest brain to body ratio
http://www.quora.com/Science/What-is-the-smartest-...
I think they share everything except an air bladder. Cartilaginous fish typically do not have an air bladder so they sink if they aren't swimming.
http://answers.yahoo.com/question/index?qid=200704...
1 Additional Answer
Ask.com Answer for: bony fish characteristics
Class Actinopterygii
Actinopterygians, or β€˜ray-finned fishes,’ are the largest and most successful group of fishes and make up half of all living vertebrates. More >>
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