As they mature, their patterns will start to fade into thinner stripes, plus yoyos' don't get parallel bars like these do.
Robusta View attachment 883385
Yoyo View attachment 883386
The size of its anal fins threw me off a lil when i first saw him. Seem real large compared to my other loaches. Is this guy a Hillstream loach? My tank temp is around 80-81. Do you think this will be a problem?