Why were the herring numbers on the brink of collapse around 50 years ago in Norway?

Just 50 years ago, the Norwegian spring-spawning herring had all but disappeared and a decision was made to kill hundreds of orca whales, because they were their predators. ... They discovered that the whales kill less than 1% of the herring, while fishing takes 10%, allowing the population to be sustainable.

FAQ

• Are salmon and rainbow trout related?

  Rainbow trout and steelhead are ray-finned fishes in the salmon family, and they are one of the top sport fish in North America. ... Steelhead are anadromous—meaning they spend part of their lives in the sea before going to rivers to breed—while rainbow trout spend their lives mostly or entirely in freshwater.

• Why is shrimp farming bad?

  A steady stream of organic waste, chemicals and antibiotics from shrimp farms can pollute groundwater or coastal estuaries. Salt from the ponds can also seep into the groundwater and onto agricultural land. This has had lasting effects, changing the hydrology that provides the foundation of wetland ecosystems.

• Do fish lose color when they die?

  When a fish dies, there is no longer any air, light, or nutrients circulating through its body. As a result, it loses pigmentation and turns white post-mortem. The coloration of a fish often reflects its state of health, which is why it is so important to account for hygiene, water quality, and diet on a regular basis.

• Can I freeze uncooked crayfish?

  You can freeze it while still raw, or you can cook it, allow it to cool and then freeze. You'll also need to decide whether you want to freeze the crayfish whole or prepare it first and just freeze the crayfish tails and claw meat. ... The crayfish will keep well in the freezer for around two months.

• Do colored lights bother fish?

  A fish-only freshwater tank doesn't require lighting for many purposes besides illuminating the tank, and essentially any color spectrum can be used safely without harming your fish.

• Is Classico pesto vegetarian?

  The Classico Traditional Basil Pesto is by far the most popular option in Walmart but unfortunately, it is not vegan. The ingredients are basil, soybean oil, garlic, romano cheese (milk, cheese cultures, salt, enzymes), olive oil, spices, salt, lactic acid, torula yeast, citric acid, natural flavors.

• Can fish see worms at night?

  Make sure to use fresh line to avoid getting kinks in the line in the dark. Spray some Reel Magic on the fresh line for improved casting and accuracy. Use the popular Zoom finesse as well as u tail worms for spotted bass night fishing. Dark colors are easier for the fish to see especially on dark nights.

21 Related Question Answers Found:

• How spicy is Popeyes Cajun fish sandwich?

  The thin piece of flounder is light and flakey, and it is actually shaped like a fillet rather than pressed into a blocky square. The fried coating is orange-tinged, thick and surprisingly crunchy, seasoned with Popeyes signature Cajun spice that packs a fair amount of heat.

• Is katla sea fish?

  In Nepal and neighbouring regions of India, up to Odisha, it is called Bhakura. Catla is a fish with large and broad head, a large protruding lower jaw, and upturned mouth. It has large, greyish scales on its dorsal side and whitish on its belly....

  Catla
  Subfamily:	Labeoninae
  Genus:	Labeo
  Species:	L. catla
  Binomial name

• Should you Soak fish in water?

  Soaking fish in brine or water before cooking to remove any muddy taste is not necessary. ... We prefer never to wash or soak whole or filleted fish in water or any other solution (except a marinade) before cooking as it affects the texture, and ultimately, the flavour of the fish.

• What happens if a schooling fish is alone?

  Schooling fish kept alone have high levels of body stress hormones and may experience symptoms like stunted growth, infertility, heart problems, and susceptibility to disease. These symptoms can also cause a fish to die prematurely.

• Can fish die from eating bread?

  Can fish eat bread? No. Bread that contains yeast will expand and cause constipation. Sadly the wild ones like it, but it can kill them and other wildlife quickly causing a painful death.

• How big of a fish can you catch on a 5wt fly rod?

  But for the most part your 9' 5wt can handle any sized trout you will come across. (Unless of course this is referencing places like Jurassic Lake, or something similar where these are unique situations/locations). The 5wt rod is sort of considered the "universal trout rod" for fly fishing.

• Does freezing fish change the taste?

  Writing the date on the package when you freeze fish is incredibly important. Even though freezing extends its shelf life, it will begin to lose its texture and flavor over time just as chicken or steak will.

• What do big trout like to eat?

  Trout eat a host of aquatic insects, terrestrial insects, other fish, crustaceans, leeches, worms, and other foods. The food items that are most important to trout and fly fishers are the aquatic insects that spend most of their life cycles underwater in rivers, streams, and stillwaters.

• Is tuna from Vietnam safe?

  Northern Fisheries LTD, based in Little Compton, RI, has expanded its voluntary recall of frozen, wild-caught yellowfin Tuna Medallions, from Vietnam, due to potentially elevated levels of histamine, which can produce an allergic reaction called scombroid fish poisoning, according to the recall on the U.S. Food & Drug ...

• Do blobfish bite you?

  Blobfish don't bite, they have no teeth and very few humans will ever come into contact with them.

• Is fish jerky nice?

  Health Benefits of Fish Jerky It's no secret that people want healthier snack options. High in protein and omega-3 fatty acids with very little fat, fish jerky is that option. Compared to traditional beef jerky, white fish jerky, for contains 1.5x the protein, 30-100x the Omega-3 fatty acids, and 0g saturated fat.

• Is Cod bad if it smells fishy?

  If it smells fishy, it is fine to eat, but it should not be stinky! The fish is starting to go bad if it has a sharp, strong odor.

• Can you fry fish with extra virgin olive oil?

  “Extra-virgin olive oil is an excellent choice for cooking, even for high-heat methods like frying,” she says. “Pan-frying fish in olive oil gives it a wonderfully crispy crust, and it's a divine light choice since you don't have to lather it in batter or leave it in marinades for hours on end.”

• Can you overcook salmon?

  Never suffer through dry, chalky, stringy salmon again. If you think you don't like salmon, chances are high that you're overcooking it. Overcooked salmon is super-firm and opaque orange all the way through and whether it's farm-raised or wild, it will be dry, chalky, and, frankly, a waste of your hard-earned cash.

• What is better breaded or battered fish?

  Breaded is better for you by a slim margin i suppose but i prefer battered as i like it crispy. Depends on how you cook it really. Deep-fried anything isn't as healthy as grilled or baked.

• Has anyone defeated Stockfish?

  AlphaZero's victory over Stockfish sparked a flurry of activity in the computer chess community, leading to a new open-source engine aimed at replicating AlphaZero, known as Leela Chess Zero. By January 2019, Leela was able to defeat the version of Stockfish that played AlphaZero (Stockfish 8) in a 100-game match.

• How do you store razor clams?

  Do not keep razor clams submerged in fresh water, as they will drown - if you need to store them overnight, wrap them in a damp cloth and keep in the bottom drawer of the fridge.

• Do fish suffer when they die?

  DO FISH FEEL PAIN WHEN THEY SUFFOCATE? Fish out of water are unable to breathe, and they slowly suffocate and die. Just as drowning is painful for humans, this experience is most likely painful for fish. ... Just as drowning is painful for humans, this experience is most likely painful for fish.

• Will tetras eat my cherry shrimp?

  Generally, neon tetras and cardinal tetras will avoid interacting with cherry shrimp. These tetras may try to make a snack of the tiniest of baby cherry shrimp but shrimp are very quick and will mostly avoid being eaten if given some plant cover.

• Why do fish like low pressure?

  This is mostly due to their organs. Fish have swim bladders, also known as air bladders. These bladders are inflated sacs that help fish to maintain their buoyancy. As barometric pressure drops, these air bladders inflate to make up for the lowered pressure.

• How many calories are in peeled prawns?

  In fact, 100 grams of prawns contains about 25 grams of protein, approximately the same as a similar amount of chicken or beef. Prawns are extremely low in calories. The same 100 grams of prawns contains only about 115 calories. Chicken contains about twice as much and beef three times as much.