Why are my shrimp blue?

That's right, that blue dye is blood. Crustaceans, like the prawn, crab, and lobster, and horseshoe crabs have hemocyanin in their blood to transport oxygen instead of hemoglobin, which we have. Hemocyanin has copper in it to give it its color rather than the iron hemoglobin has.

FAQ

• Is smoked tuna healthy?

  So there you have it: smoked fish can be a decent source of omega-3 fats (as long as the raw fish was rich in them). But it is an awfully salty way to get omega-3s. A 3-ounce serving of fresh, baked salmon has 51 milligrams (mg) of sodium.

• How much gravel should be in a fish tank?

  Generally speaking, you should add about 1 pound of substrate per gallon of water. This means that for a 5-gallon fish tank, a safe bet would be 5 pounds of gravel. Similarly, for a 20-gallon fish tank, roughly 20 pounds of gravel would suffice.

• Can I substitute canned clams for fresh?

  Don't have fresh clams? You can use canned clams. Just substitute 3 (6.5 oz) cans clams with their juice.

• Can I eat a catfish?

  Eat this instead: Stick with domestic, farm-raised catfish. It's responsibly farmed and plentiful, making it one of the best fish you can eat. Or, try Asian carp, an invasive species with a similar taste to catfish that's out-competing wild catfish and endangering the Great Lakes ecosystem.

• How long before fresh caught fish goes bad?

  As per FDA recommendations, fresh fish can only be stored for two days. Airtight packing in a tight wrap can prolong its life by freezing it. Whenever you want to eat fish in your upcoming evening dinner, you can thaw the frozen fish and cook an enjoyable meal for your family.

16 Related Question Answers Found:

• What types of fish do the Japanese eat?

  Popular fish choices include saba (mackerel), tai (sea bream), sanma (Pacific saury), and salmon. The grilled fish is typically served accompanied by steamed rice, soup, and pickles or vegetable dishes.

• Can I put raw cucumber in fish tank?

  Some fruits and vegetables can be fed raw to the fish, but most vegetables should be blanched prior to being offered to your fish. ... The best vegetables to blanch or steam are zucchini, squash, cucumbers (remove seeds), lima beans, peas (shell before serving), broccoli, cabbage, lettuce and spinach.

• Why are mantis shrimp so dangerous?

  The mantis shrimp is notorious for their striking force, and have the nickname 'thumb splitter', due to the painful gashes they can cause if handled without care by humans. ... Mantis shrimp are a violent predator and their diet depends on the species. They typically eat fish, crabs, clams, snails, worms, shrimp and squid.

• Is the Colorado River good for fishing?

  The lower section of the Colorado River is best fished by drift boat. The Colorado supports a large population of brown and rainbow trout. Check with local outfitters to find out what's hatching, but nymph and streamer fishing are typically the most productive way to hook into these large fish.

• Do you season fish before frying?

  Before you fry the fish in hot oil, season it with herbs and spices to enhance the fish's flavor. There are various ways to season fish before frying it. If you like southern-style catfish, try seasoning it with cornmeal. Or, if you'd prefer a simpler route, try seasoning whitefish with beer and breadcrumbs.

• Do you scale fish before smoking?

  To clean mullet for smoking, first cut off the head. Do not scale or skin fish. Do not cut open the gut, but rather cut along one side of the top fin from head to tail, cutting entirely through the ribs on this side. The fish will now open in one piece with the belly skin as a hinge.

• What food is best for tropical fish?

  The best fish food to consider for tropical fish include:

  • Hikari Micro Wafers. ...
  • API Tropical Flakes. ...
  • Omega One Freshwater Flakes. ...
  • Hikari Tropical Micro Pellets. ...
  • Tetra Freeze Dried Blood Worms. ...
  • Aquacarium Freeze Dried Tubifex Worms. ...
  • Aquacarium Freeze Dried Brine Shrimp. ...
  • Aquacarium Spirulina Veggie Algae Wafers.

• What are the odds of finding a blue crayfish?

  One in two million The probability of the creature having this colouring is widely touted as being one in two million. The University of Maine Lobster Institute is among those to have quoted these odds in the past, though its executive director, Rob Bayer, admits they are merely a "guess".

• How do dogs catch fish?

  Simple one or two hook flapping rigs with size 1/0 or 2/0 hooks presented on the seabed is all that is needed. Fish baits such as mackerel strip, squid and sandeel are commonly used to catch dogfish, although they are a famously unfussy species which will take almost any bait an angler offers.

• Can you eat the shells of spot prawns?

  You can shell the prawns before before you cook them, or cook whole and then peel and eat them. If you do shell them first, don't throw the heads away! Both the heads and shells can be used for making seafood stock later.

• Can you eat frozen clams in the shell?

  Can you eat frozen clams raw? You can either shuck the clams or freeze them in their shells. The primary difference that you might experience is that if you shuck the meat, it may make it softer when you use it.

• What fish does squid catch?

  Squid can be legally used for freshwater fishing to catch catfish, bullheads, panfish, bass, walleye, carp, and other game fish. There are multiple methods to fish with squid for freshwater fish.

• Can you eat smoked salmon 2 days out of date?

  You should never take any chances when it comes to your meat and fish. ... While smoked fish, like salmon or kippers, can last up to three days in the fridge after the “use-by” date, fresh fish should be thrown away before 24 hours.

• How long do you smoke tullibee?

  Pretty much any fish will smoke about the same, but tullibee are closely related to trout and salmon and pretty much smoke up about the same way. Just make a brine with canning salt and sugar (about 1 cup each in a gallon of water) and soak for 6 to 8 hours. Smoke at low to medium heat (125 to 170 F.)

• How much is the fine for fishing without a license in Ontario?

  Fishing without a license - $200, up from $100.

• Does Petco still sell fish?

  They offer the best shopping experience possible for quality freshwater and pond fish, marine fish, corals, live rock, invertebrates and live plants. Don't forget: you will continue to find live fish and more in our Petco stores.