Scientific name：Carassius auratus
Eurasian region for the common freshwater fish,body side of the flat,head slightly shorter,kiss blunt round,no beard.Scale large fish body is silver gray, yellow or red the back color is darker abdominal silver-white,the fins gray, caudal fin shallow,dorsal fin spines 3 to 4.
Living in water depth of 20 meters or more is the primary freshwater fish，Carassius carp in the middle and lower reaches of the river more water plants in the shallow water, streams or water bodies of static, strong adaptability to the environment, the body of the glycogen to the crucian carp can tolerate high oxygen content of dirty water, sensitive and alert nature.
Scientific name：Oreochromis mossambicus
The original distribution in Africa and other regions. Is the world 's aquaculture is currently harvested at the weight of the first focus of scientific research cultured fish, and is known as the future of animal protein one of the main sources.
Usually live in fresh water, can live in the lake, river, pond shallow water, but also can live in the sea, coastal coastal salt content of different salt content, has a strong ability to adapt, in a small area of water Can also reproduce, even in the rice fields can also grow.
|Red devil cichlid
Scientific name：Amphilophus labiatus
It has a strong line of aggression, attacking all creatures that can be seen in the aquarium. Adaptable to water quality, carnivorous, but can be domesticated, all kinds of feed can be adapted by the tame food, fresh, chilled, the food feed to eat. 12 to 14 months of sexual maturity, male individuals than female, male and female self-matching, spawning on the surface of hard objects in the bottom, the parents have protective behavior.
It is a secondary freshwater fish, like living in rivers, ponds, lakes and other water quality is clear and aquatic plants grow in many waters, like swimming at the bottom. With the cheek device (vice respirator), can also be contaminated in the turbidity and low dissolved oxygen in the waters of life.
The recent decline in habitat, pesticide contamination and overfishing has led to a significant reduction in the number of farmers.
Slug fish slender body, body color is gray or light gray, body side with spots. Pelvic fins, pectoral fin with toxic spines, especially male fish on the poisonous spine is very hard and dorsal soft strip 60 to 76 anal fin soft 47 to 58, body length up to 47 cm.
Inhabits swamps, ponds, ditches, paddy fields and river flooding dirty and muddy waters; drought, can leave the waters and rely on auxiliary organs breathing in the land to move to other waters.
Often with insects, earthworms, shellfish, aquatic plants, carrion as food.
Their ribs evolved into special bone and cartilage shields, called tortoise shells. Turtles are turtles that can usually live on land and in water, or live in the sea for a long time.
Turtle is also a long-lived animal, the natural environment has more than a hundred years of life. Like many reptiles in general, the turtles are external animals.
Living in lakes, ponds and other places or slow-moving river. Tortoise-like shape, and tortoise shell is different from the bone shell is not around the bone plate, high texture surface, no horny outer bone plate and loose connection of the abdomen.
Trunk slightly oval, kiss length, nose opening in the snout, back uplift bone a. Limbs short and slightly flat, for the five toe, toe between the webbed membrane.
Water turtles, tadpoles, shrimp and other food, into the eating turtle shellfish, clams and other mollusks, but also eat vegetables, fruits, cereals and other plant feedstuffs.