Where did crayfish originate?

The red swamp crayfish – scientific name Procambarus clarkii – originates from Louisiana, a southern US state, and was brought to China by Japanese civilians, who reared them as pets during the second Sino-Japanese war (from 1937 to 1945), says the professor.

FAQ

• Is lemon and prawns poisonous?

  Foods that cannot eat together include prawns and vitamin C, which cause arsenic poisoning. The reason is eat prawn and lime juice together is prawn contains high concentration of arsenic compound which is non toxic to the human body but lime juice highly toxic that cause the acute poisoning even death.

• What is the average lifespan of a shrimp?

  1 – 6 years Caridean Shrimp/Lifespan

• Can a box jellyfish kill a shark?

  Red Jellyfish are very deadly. Their poisonous effect causes a shark to lose health at very fast rate and for quite a long amount of time, killing smaller and even XL sharks after touching them once and bigger sharks after touching them 2, or 3 times.

• What do shrimp need in a tank?

  To set up a nano shrimp tank you'll need the following items:

  1. 3 to 10-gallon aquarium.
  2. Aquarium cover.
  3. Light suitable for growing live plants.
  4. Shrimp Filter with intake guard to prevent shrimp from being drawn in.
  5. Heater and thermometer.
  6. Fine gravel or live plant substrate.
  7. Driftwood and/or rockwork.
  8. Water conditioner.

• Why is my fish tank cloudy after water change?

  A milky white cloudy water color to the water is a sign of a bacteria bloom which usually happens during the Nitrogen Cycle Cycling Process of a new tank or if a tank is becoming reestablished after a large water change, medication cycle or other event.

15 Related Question Answers Found:

• How many months do you harvest tilapia?

  8 months Under proper growth conditions, tilapia fingerlings will reach harvestable size in 8 months. In addition to raising your fish for food, you may want to set aside some of your adult fish as breeders to produce fry and fingerlings to “reseed” your fish crop for another harvest.

• How many fingerlings can a tilapia produce?

  Restock small fingerlings in earth nurseries to reach the desired size of size 22 at 15-30 days and size 17 at 45 days. Stocking rates between 25 to 30 fingerlings per square meter give optimum results.

• Will a small amount of bleach kill fish?

  Please do not put ANY bleach in your fish tank. Even the smallest amount of clorine can KILL your fish. This is why, if you use city water in your tank, you have to add a dechlorinator. It is highly highly toxic.

• How do you smoke carp fish?

  Quick Summary on How to Smoke Carp water, salt & brown sugar. Prepare the smoker and choose what type of wood to use; Apple Wood, Hickory or Cherry. Put the brined carp in the smoker when the smoker reaches a temperature of 100°F. During the first three hours, increase the smoking temperature at 225°F.

• What do crayfish like in their tank?

  Feeding Aquarium Crayfish Soft plants like Elodea, sinking pellets, flakes, and other prepared foods, fresh and frozen foods, and the occasional live snack are all happily accepted.

• Are carp fights good?

  Well, first because they are one of the best “fighting fish” in inland waters. Second, there are many to use as food. In many European and Asian countries, carp are the number one gamefish. They're also a well-liked food fish there.

• Does fish oil make babies smarter?

  Taking fish oil while pregnant does not improve the brain development of babies, new research has found. Fish oil has been marketed to women as a prenatal supplement. But a 10-year study of more than 2,500 pregnant women found it did not improve babies' intelligence, according to the Australian research.

• How long does it take to cook salmon at 350?

  20 to 25 minutes It takes 20 to 25 minutes to bake salmon in an oven at 350 degrees Fahrenheit. Since the amount of time may vary based on the thickness of the salmon, it's helpful to know how to tell when salmon is done. Salmon is done when it flakes easily with a fork.

• How to keep carp in a tank?

  Carp will live in anything, very very messy though so a large external filter is needed, pref rated to cope with around 3-4 times the water volume stated. Flow rate isnt that important, its the filter volume. A Eheim bucket filter like a 2250 or 2260 would be ideal for any tank 4' and over. Only feed ONCE a day.

• Are tuna hard to catch?

  One of the hardest-fighting fish in the world, and prized for their meat, tuna can be found in the same fishing grounds as other coveted fish species, which means you can literally catch one anywhere. ... The larger varieties are the Albacore, which average around 100lb and the Yellowfin tuna which can reach up to 400lbs.

• Why is my fish eating air bubbles?

  Remember, fish breathe dissolved oxygen—not oxygen that is already combined in the H2O molecule. ... A fish that is not receiving enough oxygen will try to compensate by gravitating toward that area. Similarly, you may notice your fish lingering near the bubbles of your air stones or other bubble-producing décor.

• Does fish oil help lose belly fat?

  According to Kyoto University researchers, fish oil can burn fat faster than those fat-burning pills, and thus lead to efficient weight loss in people in their 30s and 40s. A new report has brought to light that fish oil is beneficial in losing extra weight.

• Where is the best shrimp in the US?

  The largest commercial fishery in the U.S., Louisiana is best known for its oysters, shrimp, blue crab, crawfish, catfish, drum, red snapper, and tuna.

• Are steamer clams healthy?

  A nice batch of steamed clams is also a nutritional bonanza—with B12 and iron off the charts—as well as surprising amounts of vitamin C and potassium. Clams also stock your body with magnesium, which is important in metabolism, nerve function, and muscle function.

• Is canned mackerel good for you?

  Top 5 reasons to eat canned small fish: Low cost: Canned sardines, herring and mackerel are amongst the least expensive fish on the market. ... Good for you: Sardines, herring and mackerel are a source of omega 3 polyunsaturated fatty acids, protein, vitamin D (and also calcium when the bones are eaten).