What separates sharks from other fish?

But how is a shark different from other kinds of fish? Most other fish have skeletons made of bone. A shark's skeleton is made of cartilage, a type of strong but flexible tissue. Most other fish are covered in smooth, flat scales.

FAQ

• Where is stock fish from?

  Norway Stockfish is a dried cod product that is source of great national pride in Norway.

• Why is my frozen fish rubbery?

  Rubbery means it was overcooked. “Slow and low” is the way to go. Preferably covered if you're frying it up in a skillet (I'd cook it with butter, and some flour and salt and pepper).

• Does vacuum packed smoked salmon go bad?

  SMOKED SALMON, COMMERCIALLY VACUUM-PACKAGED - UNOPENED Properly stored, unopened smoked salmon will typically last for 2 to 3 weeks, or the date on the package, in the fridge.

• Is shrimp better raw or cooked?

  A: Generally, the flavor and texture of shrimp you cook yourself will be better, although many people like the precooked because it saves them time. ... Dan McGovern of SeaFood Business magazine in Portland, Maine, also favors uncooked over cooked shrimp, especially those bags or bins of frozen cooked shrimp.

• Do fish like to watch TV?

  Fish are very curios animals and maybe wanted to chill out and watch some tv. ... Some fish seem to enjoy recreational activities, including watching TV or listening to music.

• What foods are bad for fish?

  Regular feeding of beef, pork, or even chicken scraps, can cause fat buildup around your fish's heart. More than 3% fat can be harmful to the liver and reproductive organs of your herbivore. If your fish is a carnivore, however, he can consume up to a 6% concentration of fat.

• Are pufferfish aggressive?

  Puffers are different. The small species are often too aggressive or nippy to be mixed with fish of similar size, but are themselves likely to be threatened by substantially larger tankmates. The bigger puffers are usually predatory as well, and they make risky additions to community tanks.

18 Related Question Answers Found:

• How dangerous is deep sea fishing?

  Thankfully, deep sea fishing is not especially dangerous. However, anything involving boats, water, hooks, knives, wild animals and unpredictable weather will present some sort of risk. Some common concerns about deep sea fishing are: Can the boat sink?

• How many times can you eat shrimp per week?

  According to the 2015 to 2020 Dietary Guidelines for Americans, we should eat at least 8 ounces of fish/shellfish per week. Shellfish, by the way, includes shrimp, crabs, oysters, lobster, clams, scallops, mussels and crayfish. A serving is 4 ounces, about the size of the palm of an average-sized adult's palm.

• How big does a kingfish have to be to keep?

  The minimum size limit is 28 inches total length or 20 inches alternate length.

• Will grass carp eat duckweed?

  Duckweed isn't their favorite food, but grass carp will eat it and thrive. They prefer grazing on a variety of pond weeds, musk grasses, and elodea, and may even eat water lilies and cattails if that's what's available.

• Can dogs eat pilchards bones?

  Some sardines come with bones still inside the fish pieces. These are generally small bones, and may look harmless, but they have the potential to cause problems if ingested by dogs. ... To be safe, remove all bones before feeding sardines to your dog.

• Can you use apple cider vinegar on fish?

  After all, just at your local grocery store, you can get so many kinds — white vinegar, apple cider vinegar, rice vinegar, balsamic vinegar, and countless others. ... For good fish and chips, all you need is one kind: malt vinegar.

• Is it worth filleting trout?

  Trout is a delicately flavored species of fish that's easy to prepare. If you've just caught trout or bought a whole fish at the market, you need to clean it and cut out the fillets. Luckily, trout are easy to gut and clean with just a fillet knife. Once you have your fillets, you're ready to make a delicious meal!

• Can fish die when the water is too cold?

  If the water temperature in your tank gets higher than 90°F(32°C), your fish may be in danger of dying. Their inability to get sufficient oxygen from the water they live in causes death by suffocation. When the water in a fish tank is too cold, your fish will minimize their movement and may even appear catatonic.

• Do bamboo shrimp eat fish poop?

  Yes, they'll eat leftover fish food at the bottom of the tank. No, they will not uproot or eat plants.

• Are Brisbane River fish safe to eat?

  Sediment flows quickly during floods and creeps during dry weather. ... But despite the sediment issues, fish caught in the Brisbane River were still safe to eat. “We don't have a major problem with heavy metals and PCBs [industrial chemicals] and mercury like China, for example,” Professor Bunn said.

• Will catfish make a pond muddy?

  Fish such as bullheads and carp will cause water to be muddy because of their feeding activities. ... The introduction of predatory fish such as largemouth bass or channel catfish will solve this problem. Ponds with a good population of predatory fish will not have crayfish problems.

• Does fried croaker have bones?

  Eating the whole fish, usually yellow croaker, is common in Korea, whether it's seasoned and braised, cut up and made into a stew, or fried on the stove. ... Depending on how much oil you've used and the size of your yellow croaker, the bones in this dish might even be soft enough to eat.

• How much omega-3 is in salmon roe?

  A preferred source of omega-3 DHA for the brain. Between 40 and 70 percent of the DHA in salmon roe is in phospholipid form, compared to fish, with just 1 to 3 percent.

• What does vinegar do to fish?

  Too much vinegar will make the aquarium too acidic in a way that harms fish that prefer alkaline water. Though fish that love a lower ph like Oscars and neon tetras might hold on longer. Also, aquarium water with a low ph is risky when you have snails in your tank.

• How long do stoneflies live for?

  At their largest, they are almost two-inches long -- and they look pretty scary. Salmonflies tend to hang out in rapidly flowing streams and rivers in areas where leaves and other plant material accumulate. As adults, stoneflies feed very little, if at all, and live for only a few days to a couple weeks.

• Can vs pouch tuna?

  Tuna pouches take up less space than cans and are more flexible, making them easier to store in cabinets or pantries and pack into lunch boxes. Cans are more solid, so they offer more protection for the product inside. Pouches are not reusable, while cans can be recycled, according to Weston.

• Is bottled water safe for fish tanks?

  The lack of minerals and the subsequent lack of pH buffering in your fish tank can result in an unstable pH, which will be dangerous for your fish. Most bottled water brands are chlorinated to kill germs and bacteria. While chlorinated water is safe for drinking, it is dangerous for your fish and other aquarium life.

• Is salmon or trout more expensive?

  Trout is perceived as more premium than salmon, its intense red construed as a sign of better quality. ... Elsewhere, trout is usually more expensive as supply is limited; Norway produces only 60,000 tonnes (1.7%) of trout compared to 1.2 million tonnes (38.7%) salmon, its largest category of seafood export.