Mark toast is a kind of small fierce ornamental fish that is not common in the market. It likes swimming in groups and has great ornamental value.

Chinese Name: Mark Toast/Crown Double Seal

Scientific name: exotic animals

Body length: the maximum hair length is about 10cm.

Environment: fresh water pH: 5.5 ~ 7.5 DH: 0 ~ 20.

Climate: tropical temperature: 23~28℃

Distribution: Amazon River

Threats to them: similar, poor water quality, insufficient food.

Reproduction: There are few records of oviparous and artificial reproduction.

Features: rough personality, cruelty, fast cruising, strong group swimming, strong preference for bright light and live food, not suitable for polyculture (the only thing that can be polyculture with piranhas, but the number of piranhas must not be too small)

1, the action is very fast and explosive.

2, be alert, once put into the aquarium, it is much more difficult to get it out, and it will hide.

3, hearing, smell, vision are very good, especially vision, I am impressed and have a certain bloodthirsty.

4. Sharp teeth.

5, grumpy, aggressive, after being fished out, put the fishing net in its open mouth and it will bite.

6, the mouth can be wide open, full of glib teeth.

7. Tail fins account for a large proportion in the body, and pectoral fins and dorsal fins are also well developed.

8. Before predation, the cruising speed will obviously become faster, and more sudden biting means will be used, which is fast and powerful. You can see the scales of prey scattered in the water at the moment of biting the target.

9. Few people eat the food that sinks to the bottom.

10, chasing prey is not endless, but a typical opportunist. Usually a few fish will attack first, and once the prey is bitten, others will flock to it.

Mark with the size of 1 1 and 6cm can swallow the fry with the size of 2cm at a time. For fish of the same size or larger than yourself, bite rather than peck. There is a strange habit of torturing fish to death but not eating them.

12, fish that eats scales, likes to eat scales and fish eyes, and likes to eat from scratch.