Ask what the grade means
A seller may grade shrimp by color coverage, intensity, pattern, or consistency. There is no single hobby-wide standard used identically by every breeder.
Photos can exaggerate coverage through lighting, background, and image processing. Request clear, current pictures of the actual line if appearance matters.
Buy for your real goal
A display keeper may value health and activity over a premium grade. A selective breeder may pay more for a consistent line and maintain it separately.
The grade of a parent does not ensure the same grade in every offspring. Ask how the seller manages selection across generations.
For your own tank
Ask whether the breeder's grade reflects adult appearance, current juvenile appearance, or a line average. Request photos of more than one shrimp. Clear definitions reduce disappointment when a single animal does not match a highly edited listing image.
Use these as general hobby references. Test your aquarium and confirm product guidance before making changes.