What is the black line on the underside of shrimp?

The dark line that runs down the back of the shrimp isn't really a vein. It's an intestinal track, brown or blackish in color, and is the body waste, aka poop. It is also a filter for sand or grit.

FAQ

• How do you tenderize cod fish?

  Alternatively, you may marinate the cod fillet in a mixture of citrus juice, vinegar and seasonings of your choice for an hour or so. This will create a stronger flavor and help to tenderize the cod's meat so it flakes easier after you cook it.

• Why Smoked salmon is bad for you?

  Smoked salmon is high in sodium. Eating too much sodium can significantly raise your risk of stroke and heart disease. According to the World Health Organization, you should try to limit your sodium intake to 2,000 milligrams per day.

• Does tuna in water or oil last longer?

  Oil is more calories but the fats in the oil go rancid....in water will in theory last longer.

• At what pH do fish die?

  In general, fish reproduction is affected at pH levels below 5.0 and many species (such as saltwater fish or sensitive freshwater fish like smallmouth bass) will leave the area ²¹. Fish begin to die when pH falls below 4.0 ¹².

• What is the best way to freeze crayfish?

  Put each crayfish immediately into a strong plastic freezing bag. Shape the bag around the crayfish and suck out the air so that the shells do not get freezer burn. Seal the bag with a wire tie and freeze immediately. Eat within six months.

• Is fishing better before or after a front?

  And as fronts pass through the changes in barometric pressure can also have an effect; with many species feeding increases immediately before a cold front, but slows during and after a storm or front hits. Fishing after a front pushes through is then sometimes poor, and continues to be poor for a day or two.

21 Related Question Answers Found:

• Does pollock taste better than cod?

  Pollock and Cod as Food First, Pollock has a milder flavor than Cod. Second, Pollock can lose its shape a lot quicker if overcooked. Cod meat is a little firmer, but still flaky and tender when prepared correctly.

• Can you put shrimp with other fish?

  Shrimp are great for tropical community fish tanks because they will not pester the fish that you already have in your aquarium – they will happily live amongst them and eat the food that they leave behind. ... Some good tank-mates are danios, guppies, tetras, rasboras and other small community fish or shrimp.

• What water temp is best for catfish?

  Catfish can be caught in cold water but 50 degrees is the benchmark for the big spring bite. From there the bite gets better and better right up until the spawn temperature of around 70 degrees.

• How rare is the blue crayfish?

  One in 200 million Blue lobsters are rare. Estimates by the University of Maine Lobster Institute put the likelihood of catching a blue lobster as one in 200 million.

• How do you know when crayfish is cooked?

  How to Tell when your Crayfish is Cooked:

  1. Do not remove the Cray from the pot before the shell has turned bright red.
  2. The Cray is properly done when an antennae comes off easily when pulled gently.
  3. The cooked Cray meat will be firm and white in colour.

• Should you kill a fish right after catching it?

  If You Are Keeping it - Act Quickly Once you have a good catch, plan to kill it humanely as soon as you get it into the boat or onshore and while it still has a hook in its mouth.

• Should I remove fish when vacuuming gravel?

  There is no need to remove the fish while using the aquarium siphon, since the process of catching them is more stressful than slowly vacuuming around them. However, you should move any aquarium decorations away from the area you plan on vacuuming because waste likes to collect underneath them.

• How long can frozen salmon sit at room temperature?

  How long can raw salmon be left at room temperature? Bacteria grow rapidly at temperatures between 40 °F and 140 °F; salmon should be discarded if left out for more than 2 hours at room temperature.

• Is boiled tap water safe for fish?

  No. Tap water typically contains chloramines, which are not removed by boiling. You need a chemical aquarium water treatment to neutralize the chloramines. Some tap water also contains ammonia and nitrates, which can also be neutralized with a chemical water treatment.

• Why is lobster more expensive than crayfish?

  Unlike with most fisheries, there aren't any commercial farms to cheaply provide a lot of lobsters. ... Lobster farming is difficult: The crustaceans grow slowly, eat a lot, and are susceptible to a very contagious disease, and their eggs are difficult to raise.

• Why is shrimp so expensive?

  Why is shrimp so expensive ? Shrimp is expensive due to a combination of early mortality rate, poor farming methods, disease, and simply because seafood (including shellfish) goes bad very quickly. It needs to be transported immediately after harvest, in very cold containers, and sold off just as quick.

• What heritage is pickled herring?

  The raw herring is a Dutch delicacy and tradition while the fermented herring known as surströmming is a big part of the northern Swedish cuisine. Pickled herrings are part of Scandinavian, Nordic, Dutch, German, Polish, Eastern Slavic, Baltic, Ukrainian, Russian and Jewish cuisine.

• Will aquarium salt hurt healthy fish?

  No, sodium chloride salt should not be used on a daily basis as a preventative measure or health booster. ... In the same way, any fish disease that gets past your protective “salt barrier” will be quite resilient and require a much higher salt concentration to cure, which may be detrimental to the fish.

• Can I send a dead fish to someone?

  DEAD FISH At thepayback.com they will let you send your enemy dead fish in the mail with a side of flowers to go for good balance. This is a perfect gift if you are passive-aggressive.

• What Florida fish are not good to eat?

  O Not eat Shark, Swordfish, King Mackerel, or Tilefish because they contain high levels of mercury. o Eat up to 12 ounces a week of a variety of fish and shellfish that are lower in mercury.

• Can squid come out of water?

  Underwater, squid use jet propulsion to pounce on swift prey and escape intimidating predators. But sometimes jetting through the currents is not enough to make a successful getaway—sometimes, a squid needs to get out of the water altogether. So they fly.

• Do trout like orange?

  Salmon and trout are typically found in crystal-clear water, where they have ample opportunity to closely inspect a lure. In such situations, the fish can be very discriminating about what they bite—so discerning that sometimes they'll eat only a dry fly with a hint of orange, red or green on its belly.

• Can a fish swim bladder heal?

  Depending on the cause, swim bladder disorders may be temporary or permanent. If your fish has a permanent swim bladder disorder, they can still live a full and happy life with some lifestyle modifications.

• How long can you leave salmon at room temperature?

  It is a good idea to let salmon sit out for 15 to 20 minutes before cooking so that it can warm to room temperature. Do not let it sit out for too long. You want it to reach room temperature right before cooking.

• What does it mean when you find a pearl in an oyster?

  Natural pearls occur in all forms of mollusk, but we typically hear about them being found in oysters. They're the result of the introduction of a foreign body – such as a piece of sand – into the protective shell layer of a mollusk.

• Why are we not supposed to eat catfish?

  Any Catfish (channel, white or bullhead) caught from waters with consumption advisories may contain elevated levels of contaminants, such as mercury, PCBs and dioxins. Proper fish cleaning and cooking techniques will reduce PCB levels when compared to raw fish fillets.