9 Easy Ways to Differentiate Tilapia and Mujair Fish Based on Physical Characteristics

By. Rani - 16 Aug 2025

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lautnusantra.com Tilapia and Mujair fish are types of freshwater fish that have long been widely known by the public. Both of these farmed fish are easy to cultivate and have a good ability to adapt to various environmental conditions.

Tilapia and mujair are popular Indonesian food fish. Besides being easy to find in traditional markets, both fish have savory and delicious meat.

However, many people still consider mujair fish to be tilapia, and vice versa. It's not uncommon for people to think these two fish are the same. Indeed, at a glance, tilapia and mujair have almost no striking differences, so it's not surprising that many assume they are the same fish.

Despite looking similar, tilapia and mujair are different fish. If you look closely, they have many distinct differences, especially in their external body parts.

From an economic perspective, tilapia and mujair are also very different. Tilapia farming is more profitable, and consumers generally prefer tilapia. Additionally, tilapia grow much faster and reach a larger size than mujair fish.

 

What Are the Differences Between Tilapia and Mujair Fish?

Visually, tilapia and mujair fish are very easy to tell apart. If you observe them carefully, these two fish have different body sizes. The various parts of their bodies also have different shapes, sizes, colors, and patterns. The differences are visible on the head, fins, tail, and the fish's body as a whole.

Here are 9 differences between tilapia and mujair fish:

No. Body Part Tilapia Mujair
1 Body size Larger Smaller
2 Body shape Wider and rounder Elongated body
3 Mouth Small Larger
4 Cheeks/Face No spots Spotted
5 Eyes Large Smaller
6 Dorsal fin Longer, with clearly visible and sharp fin rays Shorter, with reddish fin tips
7 Anal fin Has lines intersecting the fin rays No lines
8 Pelvic fin Short and wide More elongated and black
9 Tail Has lines intersecting the tail rays Black, with no lines

In general, tilapia and mujair fish can be easily distinguished by paying attention to their body size, body shape, and the size, shape, and color of their various body parts. By observing these features, it becomes clear that tilapia and mujair are two different species of fish.

 

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