Yes. There are few. But are you in planted tank or marine or??
There is a lfs named Brother Tan. Located in Jln ismail. Ask your relative where it the imigrasion dept of malaysia which doing the passport.

another lfs more into plants is Fan Yuen. It is near the Dato High School. Another lfs famous with hybrid cichlids... near the stadium named Brother Lim.
Only these few lfs worth to visit. The rest...forget about it.

All the lfs i mentioned with signboard on the mainroad.