Swallow fish Swallow fish is also known as angelfish or angel fish, because the body is diamond-shaped, dorsal and anal fins are very long, pelvic fins are filamentous, tail fins are forked, looks like a swallow. This fish has a warm personality, no special requirements for water quality, and can be mixed with most tropical fish, as long as the other side is not aggressive. The usual temperature should be controlled between 24 and 28 degrees Celsius, and a little fish or worms should be fed every day.
Swordtail is a tropical fish from Mexico and Guatemala. It is small in size, lively in character, and can survive in weakly acidic, neutral, and slightly alkaline water. As an omnivorous fish, it has a wide choice of bait, so it is also relatively easy to raise. In addition, this kind of fish is also a tropical fish with strong cold resistance, water temperature 20 C can grow healthily, and adaptability is relatively strong.
There are two common types of mandrake, one is the blue mandrake, and the other is the yellow mandrake. In addition, there are some artificially improved varieties. This kind of fish does not require high water quality, and has a mixed diet, so it is better to raise. The only problem is that the temperament is more ferocious, and other aggressive fish put together, will inevitably compete for the death of each other.
The scientific name of Mary fish is jasmine flower guppy. It is a kind of fish with strong resistance to pollution. It can survive even in waters with low dissolved oxygen, so it is also very suitable for lazy people to raise. It usually feeds on algae and organic debris, and eats insect larvae in the water. In addition, it can adapt to saline-alkali environment in the wild, which can be said to be very good.
