It is important to note that when we sell or give information about our fish, to be completely accurate. When you or I state the total lenght of the fish, it is important to be aware of how big of a difference there is between 1 inch vs. 4 inches. It was so funny that when I purchase a fish described 3-4 inches, I was hoping to see exactly 3 to 4 inches.
They were more like "slightly an inch".
I saw an ad showing an 8 inch datniode, after driving for about an hour to to check out the fish, it was more like 5 inches, not 6, 5 inches. When you are aware of how much 1 inch really is, it is very much likely you can eyeball the size of the fish. Just look at the size of the 1 inch on a ruler, or tape measure, you will get a better idea of how much difference there is between 4 inches and 1 inch.
I purchased that fish anyway, and is now about 8 inches in my tank.


I saw an ad showing an 8 inch datniode, after driving for about an hour to to check out the fish, it was more like 5 inches, not 6, 5 inches. When you are aware of how much 1 inch really is, it is very much likely you can eyeball the size of the fish. Just look at the size of the 1 inch on a ruler, or tape measure, you will get a better idea of how much difference there is between 4 inches and 1 inch.
I purchased that fish anyway, and is now about 8 inches in my tank.
