Here's another one I took just now right under the aquarium light to give better perspective.Repolie said:Stress stripes are normally horizontal lines on the betta, but I can't really see anything on your betta. Can you get a better picture of his side?
It's hard to see prominent stress stripes on males because of their colourations, but you should be able to see the stripes around their face.
Thank you! This is very helpful information.Demeter said:Stress stripes are very apparent and if the fish is indeed stressed you will also see pale coloration and clamped fins. Keep in mind that light bodied fish won’t show striping at all.
These are more like stress stripes but are actually just juvenile markings on this little betta.
Your betta looks perfectly fine.