By its fins
Gray angelfish was created in 1758.
Yes
'Cichlid' is another name for the freshwater angelfish.
Angelfish are tropical ciclids of the genus Pterophyllum.
Some people have Angelfish as pets and name them angels.
Angelfish
Gill.Gill
no just a name
Angelfish look like normal fish, but they are among the most colorful; they are typically the most common choice for freshwater aquariums.The angelfish is typically confused with the butterfly fish (its close relative), in order to tell the difference you will notice the spine located on the lower part of the cheekmost angelfish are rounded like a pancake and they can grow from 3-20 inches!You can search it at Google to see a picture of it but I'll tell you how an Angelfish looks like. Angelfish are Black or gray, yellow and white.
There are many similarities between angelfish and goldfish- to name one angelfish and fancy goldfish (especially the oranda) both have several long delicate fins.
Platax scalaris
No, it is just a name