The faces of the fork-nosed puffers resemble those of dogs, hence the name "dog head". We can see many breeds of doghead fish in the trade, such as yellow dog head (Arothron meleagris), pearl dog head (Arothron hispidus), masked dog head (Arothron diadematus), etc., they are very easy to raise, I will use the most common dog head (or black spotted dog head) to illustrate. In the Indian and Western Pacific regions, dog heads are widely distributed, and all trading countries can catch more than the total demand. This fish is not favored by most enthusiasts because they are too fierce to live in peace with most fish. People would rather go to the public aquarium to admire them than introduce them to other fish that harm them.
You can keep the dog's head and most pufferfish with a body length of more than 20 cm, and for other fish, I can't guarantee that it will be fine. They can grow up to 30 centimeters, sharp teeth can bite the bones of coral, it is best not to catch them directly with their hands, and it is not a joke to be bitten by their teeth. The dog's head is very adaptable to the artificial environment, and there are no high requirements for water quality and temperature. They like to eat meat and may grow very lean if fed with artificial pellets. Some stones need to be provided for them to grind their teeth, and if there is a lack of tools to grind them, the teeth of the puppy's head may pierce their jaws.
Raising a doghead fish is more like having a pet, they like to be close to people very much, if you keep it for a long time, they can even let you fish it out of the water and make love for a short time. There are no scales on the skin of the dog's head. It is very sensitive to chemical drugs, and should try to use methods to reduce salinity and improve water quality to prevent diseases, and must not blindly use drugs for treatment.
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