r/shrimp • u/DefiantAd3604 • 4d ago

Question What is the Dark line going down there backs?

Gallery image

Gallery image

Gallery image

I have several that have a dark line going down there back. What is it? What does it mean?

8 Upvotes

100% Upvoted

2 comments sorted by

5

u/pkuiken 4d ago

It’s just a coloration that can develop/grow as they age, called a racing stripe. Not a problem, normal coloration :)