lautnusantara.com Gourami is one of the native fish in Indonesian waters which has spread to Southeast Asia and China. Fish that live in fresh water usually live in waters that tend to be calm such as reservoirs, ponds, swamps and lakes. Gourami fish (Osphronemus goramy) is a type of freshwater fish that is very popular in Indonesia.

Even though it is more commonly used for consumption, some people also like to keep gourami as ornamental fish because of their unique shape, namely their cone-shaped head and hind body similar to tilapia and tilapia.

Gourami is often called the king of freshwater fish because its price is quite high. For those of you who want to know more about gourami fish,

The following are unique facts about gourami fish that you need to know.

1. Able to live in places with minimal oxygen (low DO).

If you pay attention, you may often see gourami fish swimming to the surface of the water. This is because gourami have a second respiratory organ which is in the shape of a labyrinth and is located at the top of its main gills.

These labyrinth-shaped gills function to take oxygen directly from the air. Thanks to this labyrinth, gourami are able to live in murky water, even with minimal oxygen. As long as it can swim and touch the surface, the gourami will remain alive because it can directly absorb the oxygen supply from the air.

2. Classified as omnivores and even tend to be herbivores.

In the wild, gourami generally have a tendency to choose specific types of food, according to their growing age. In the larval and seed stages, gourami generally eat microorganisms, such as phytoplankton, zooplankton and water insects. Meanwhile, in the adult phase, gourami tend to prefer plants, such as azolla, water spinach, and genjer.

However, in cultivation ponds farmers usually choose to provide cassava leaves, papaya leaves, or even pellets so that growth is more optimal.

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3. Has high nutritional content and low fat.

Gourami has high nutritional content and is good for the body. The high content of protein, vitamins A and B, and amino acids is good for growth.  Apart from that, gourami fish has a high water content and low fat content, so it is also good for those of you who are on a low-fat diet.

4. The body shape of male gourami is slimmer than female gourami.

The most prominent difference between male and female gourami can be seen in their body shape. Male gourami generally have a slender body shape, while female gourami have a round body shape. Apart from that, in terms of movement, male gourami tend to be agile and aggressive, while female gourami tend to move slowly.

5. The male gourami takes part in guarding the eggs.

Maturity of the gonads of gourami usually occurs at the age of 2-3 years. Before the female gourami lays eggs, the male gourami will first make a nest from palm fiber or dry plants in the pond to lay the eggs.

This nest usually measures 30-40 cm and is placed in a hidden place. After that, the female gourami will lay her eggs in the nest and then be fertilized by the male gourami. The male parent will then look after the eggs until they hatch. Usually the eggs will hatch after 2 days.

6. Older male gourami have more prominent foreheads.

Old and young gourami fish can be distinguished by the shape of their foreheads. Younger fish have foreheads that tend to be flat and flat, while older fish have foreheads that protrude. Apart from that, in young fish there are 8 vertical lines and these lines are not found in older gourami.

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7. The fins on the gourami fish's stomach also function as a touch tool.

Gurame has a kind of detector on its stomach. This detector is actually a pelvic fin that has been modified into a pair of long threads. In this way, the main function of the fins, which was originally a means of locomotion, has changed to become a means of touch.

Those are the unique facts about gourami fish that you need to know. For those of you who want to keep gourami, it is important to pay attention to the feed and cleanliness of the pond. Because even though they can live in murky water and have minimal oxygen, if you want the health of the gourami you keep, you really need to pay attention to the clarity of the pond water.

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Here are some reasons why gourami fish are called the "King of Freshwater Fish":

1. Large Size: Gourami fish can grow to a very large size, namely around 60-70 cm and weigh up to 10 kg.
2. Good Taste: Gourami fish has a very good and delicious taste, so many people like it.
3. High nutritional content: Gourami fish is rich in protein, vitamins and minerals which are good for health.
4. Wide Habitat: Gourami fish can live in various types of freshwater habitats, from rivers, lakes, to rice fields.
5. Unique Behavior: Gourami fish have unique behavior, such as making nests from aquatic plants and guarding their young very carefully.

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