Generally, adult male zebra dogs have larger heads and more muscular bodies than females. Male zebra dogs usually have brighter stripes on their heads, while females may have darker stripes. The male's fins, especially the tail fin, are usually more developed and more gracefully shaped. During the breeding season, male zebra dogs will be more active and show strong courtship behavior.

When distinguishing male and female zebra dog heads, it is best to distinguish before or after the breeding season, because at this time, male zebra dog heads Their courtship behavior is more obvious and easier to distinguish. When observing or handling, use appropriate methods and tools to avoid unnecessary harm to the fish.