Freshwater Black Fin Shark, FishTankWeb.Com – The freshwater black fin shark has several other names, such as Columbian Shark and Jordan’s catfish.

Each name refers to one animal only: a catfish that has high fin and long whiskers, resembling a shark.

Aside from the fact that this fish could grow bigger in the aquarium, there are several basic knowledge all aquarist should know.

Freshwater Black Fin Shark Diet

The Jordan catfish has several favorite menus: sunk catfish pellet, good to best algae based food, and bloodworms.

Since this whiskery fish is bottom feeder, it would happily swim on the bottom of the tank.

Also, the pet fish will rush out for food if you turn off the lights in the room. Some aquarists even purposely feed small guppies to the adult catfish.Photo Image Freshwater Black Fin Shark Care Photo Image Freshwater Black Fin Shark Aquarium

Freshwater Black Fin Shark Habitat

The tiny and dark colored fish does not really conquer the ocean, but only around ninety feet depth.

Sometimes, they will dive as far as 210 feet. Most of the times, they spend their day near coral reefs, muddy bays, and in some cases, mangrove swamps.

Several places that could be called as natural habitat are Indian and Pacific Ocean.

The tropical water in these shores could provide shallow environment. Near this area, the black fish could also explore ledges and flats covered by sand.Photo Image Freshwater Black Fin Shark Diet Food Photo Image Freshwater Black Fin Shark Diseases

Freshwater Black Fin Shark Care

A good tank is the one that could resemble the natural habitat of the fish. For black fin shark, you are going to decor it with lush aquarium plants and rocks.

Considering the still growing two inches catfish, you could pick a tank of 70 gallon to start.

Since the mini black shark could live in both salt and freshwater, it would appreciate a pinch of aquarium salt for freshwater tank.

A young black fin shark has better immune system than the adult. It means that as the day passed, you should measure carefully the water salinity.

Make sure it points out to one point double zero five or maximum one point zero fifteen. You will also need to the install water filtration and wave making machine.

Be careful of its predator side. Once the catfish turns into adult, it could eat up smaller fish in the tank.

In addition, you might need to buy new tank, since the tiny shark needs a lot of space to swim around.

Also, safe your hands while cleaning the tank by wearing long rubber gloves. The dorsal spine has venomous toxin.Photo Images Freshwater Black Fin Shark Guide for Beginner Photo Image Freshwater Black Fin Shark Habitat

Freshwater Black Fin Shark Potential Disease

The ideal water for Jordan fish is brackish water. A whiskery fish that live in freshwater is more vulnerable to a lot of skin disease. Some of them are:

  1. Fin Rot

You could see the symptom easily. The fin starts to fall off and gradually disturbs fish swimming balance. It is the result of fin nipping or sometimes poor quality of water.

  1. Fungus

It appears as white or grayish cotton that grows on the body. As this parasite grows, some body parts will disappear.

The parasite could spread within short time in dirty water. Don’t forget to change tank water regularly.Photo Image Freshwater Black Fin Shark Tropical Fish

Read too:

Freshwater Black Fin Shark – Conclusion

It is cute in the fry stage, but could be a terrifying predator for the smaller fish in the tank when it gets older.

Probably this is the best description of the Columbian shark. Even though it belongs to ocean fish category, the black catfish never explores the ocean.

If you want to keep a freshwater black fin shark, make sure you provide enough space for it to grow.


src: liveaquaria, quora, fishlore, badmanstropicalfish

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