One, fish species discussion
Mudskipper is a fish. Loach is loach loach family loach genus of small demersal fish, like to inhabit the bottom of static water, often in lakes, ponds, ditches and paddy fields at the bottom of the plant debris-rich silt surface, strong adaptability to the environment, the living temperature of 10 ~ 30 ℃, the optimal water temperature of 25 ~ 27 ℃, the water temperature rises to 30 ℃ submerged in the mud in the summer, the water temperature is lower than 5 ℃ into the mud at a depth of 20 ~ 30 centimeters to over-wintering.
Two, food habits
Mudskipper is omnivorous fish, more than in the night out to catch plankton, aquatic insects, crustaceans, aquatic higher plant debris, algae, etc., and sometimes also ingested underwater humus plants or mud residue, artificial breeding can be put into the fly maggots, fish meal, pig blood meal, silkworm pupa powder, rice bran, bran, vegetable cake, etc., and other fish often mixed with other fish leftover feed for other fish. The feed of other fish is often eaten as the leftovers.
Three common species
1, the green loach
The green loach is long cylindrical, the tail is laterally flattened, the lower part of the mouth is horseshoe shaped, the whiskers are 5 pairs, the caudal fins are rounded, the scales are tiny and buried under the skin, the back of the body and the dorsal side is grayish-black and there are black spots, the lower part of the side of the body is white or yellowish, and the caudal peduncle has a big black spot on the base.
2, sand loach
Sand loach kiss long and pointed, 3 pairs of whiskers, under the chin with a pair of knob-like protuberances, subocular spines forked, the end of the eye more than the back edge of the eye, cheeks without scales, caudal peduncle is relatively low, distributed in the Yangtze River in the middle and upper reaches of the water body, live in the sandy and gravelly bottom of the river section of the slow-water zone, often in the bottom of the activities.
3, yellow loach
Yellow loach appearance is similar to loach whiskers, whiskers 5 pairs, eyes are covered by dermal membrane, no subocular spines, scales are buried under the skin, caudal peduncle skin folds prisms are developed, the length of the caudal peduncle is about equal to the height of the tail, caudal fins are rounded, distributed in the middle and lower reaches of the Yangtze River and its affiliated tributaries, lakes and other bodies of water.
4, flower loach
Flower loach is a freshwater small benthic fish, living in rivers, lakes, streams, ponds and rice paddies, strong environmental adaptability, resistance to hypoxia, dissolved oxygen in the water down to 0.15 milligrams can still survive, China is widely distributed in the north of the Yuanjiang River, Yunnan, the major water systems.