Is the mullet a freshwater fish or a sea fish?
Grey mullet is also known as mullet, commonly known as green head fish (juvenile fish), strange fish (adult fish), Xinyu, Zhengwu and coarse scale fish, which are all produced in the severe cold in our country, so is it freshwater fish or sea fish?
Is the mullet a freshwater fish or a sea fish?
Grey mullet is a kind of marine fish, which can live in fresh water, brackish water and salt water. It likes to inhabit coastal inshore, bay and estuary of rivers. It is one of the most important economic fishes cultivated in brackish water along the coast of southern China. It is also one of the most widely distributed important economic fish in the world.
Second, what should be paid attention to in mullet culture?
1. Facility configuration
The mullet turtle swims quickly and is good at jumping. A high-level purse seine should be set at the inlet and outlet, which is 1.6 meters high and 0.4 meters under the mud. It is fixed with a bamboo pole to prevent the mullet from escaping.
two。 Seed and seedling delivery
To choose coastal natural seedlings, robust and lively, specifications of more than 4 centimeters. After desalination for one week and then enter the freshwater pond to improve the survival rate, 250-300 flocks per mu.
3. Feed feeding
Grey mullet has a short food chain and mainly feeds on humus, deposited organic detritus, epiphytic algae and small animals. in freshwater ponds, it can fully eat the residual bait of plankton and other aquatic animals, such as grass carp leftover particles, improve water quality and play the role of "scavenger".
4. Disease prevention and cure
The common diseases of grey mullet are parasitic disease and water mildew. It is necessary to disinfect the water body regularly with bleach, quicklime or bacteriophage and paracetamol once a month, timely inject new water, improve the water environment, keep the water quality fresh and prevent the occurrence of diseases.
When raising grey mullet, river crab and grass carp can be mixed-cultured, which can improve the economic benefit.
- Prev
How to mate and reproduce anchovies
Anchovies are valuable economic fishes. Because their tails are bifurcated like Phoenix tails, they are short and red, sharp, thin and long, like Phoenix tails, so they are called high. So, how do anchovies mate and reproduce? How do anchovies mate and reproduce? The intercourse of male fish
- Next
What is the breeding method of hairy crabs?
Hairy crab generally refers to Eriocheir sinensis, which is a traditional aquatic treasure in China. There is extensive aquaculture in our country, so what is its breeding method? What is the breeding method of hairy crabs? Here is a brief introduction to the methods of pond and rice field culture. Rice field culture
Related
- A course of planting techniques and methods on how to grow carrots
- How to plant the latest tulips?
- Is it better to pick tea in the morning or in the afternoon? When is the best time for tea to be picked? what is the third or fifth tea?
- Launch Yuanxiao Happy combination Haocha + Tea Yuan healthy Taste
- Penghu Tourism "Fireworks 20 Parade with You"
- 2022 West Lake Happiness holds "Digital Revitalization Voucher" and draws iphone13 and laptop.
- Banqiao Fuzhou social houses are designed to change start-up combined with police elimination to create a safe and livable environment
- The convenient measure of "mechanical weeding" in Xinbei has been abused and the Agriculture Bureau has imposed heavy penalties on the illegal land consolidation.
- Changgeng University Joins Hands with Four Memory Factories to Rescue Memory Talent Shortage
- The list of Taiwan's top 100 MVP managers is listed by the Director-General of the Farmers' Association of Sanxia District.