Lines
Vary in numbers and thickness, partial or whole coverage.
Bars
Vertical
Stripes
Horizontal lines
Bands
Diagonal lines
Spots
A well-defined circular mark
Ocellated spot
Spot surrounded by ring of another color.
Blotch
Ill-defined/irregular mark
Speckles
Fine spots
Markings around eye
Can be a specific color, may radiate outwards in specific pattern, eye can be disguised by a similar colored line going through it.
Color
The colors of many species vary considerably from individual to individual. Many fish also have an ability to pale, darken, and change color. Because of this the color is rarely used for identification