How can you tell how old an oyster is?

Oyster shells have rings, much like tree rings, which give clues about oyster growth and age. Scientists can use local conditions (i.e. environmental clues - cold winters with slow growth and a dense age ring, warm summers with faster growth and a less dense ring) to determine the age of the oyster.

FAQ

• How long will smoked mackerel last in the fridge?

  For how long can you keep smoked mackerel in the fridge? After opening a vacuum-packed smoked mackerel, it will last in the fridge for 2 days.

• Can you eat mackerel cold?

  Great on toast, bread, rice or pasta, Mackerel fillets come in a range of tasty flavours. Eat them hot or cold, and if you fancy something a bit more adventurous then why not try our Flavours of the world range.

• Is yellowfin tuna same as ahi?

  In Hawaii, “ahi” refers to two species, the yellowfin tuna and the bigeye tuna. It has a slimmer profile than the bigeye tuna, with distinctive soft dorsal and anal fins and finlets are bright yellow. Smaller yellowfin are also called “shibi” in Hawaii. ...

• How can you tell if a cherry shrimp is male or female?

  Females will usually have a deeper, more vibrant and opaque colour to them. Whereas males will usually appear as slightly lower grade with speckles of colour on their shell, or being slightly more translucent.

• Should you remove the black line from prawns?

  Once the shell is off, check to see if there is a black line running down the back of the prawn. This is the intestinal tract – if it's black, it's full. It's not harmful to eat, but the prawn looks better without it, and it can be a bit gritty. Removing it is called 'deveining'.

17 Related Question Answers Found:

• How do you soak dry fish maw?

  - Soak fish maw in water for 12-18 hours until it soften. - Change water from time to time and rinse with cool water to eliminate its fishy smell. - Put ginger and shallot into a pot of fresh water and boil. Turn off the heat after the water is boi

• Does frozen salmon taste more fishy?

  Going bad at the time of freezing: If the salmon was beginning to spoil at the time it was frozen (even just a couple days after you take it home from the store), it will have a fishy taste. ... If the fishy smell is gone, your salmon is safe to eat.

• Should I turn my fish tank light off at night?

  Aquarium lights can illuminate fish colors, make it easier to spot tank problems and regulate your fish's sleeping and eating. All fish need periods of darkness, and turning the lights off at night will help you mimic your pet's natural environment.

• How do I know if my clownfish are mating?

  Observe the behavior of the tank mates. Ordinarily, the female of the mated pair will assert dominance and attack the male, nipping at his fins. This is a sign of sexual maturity. If the male submits to the female, both become ready to breed, although no acts of breeding may be witnessed.

• How do you store smoked fish in the fridge?

  Into sealable plastic bags. Fish can be eaten immediately after smoking though many people say that it tastes better when cold. Smoked fish should be wrapped up in wax paper or foil and stored in a refrigerator where it can remain for up to 10 days.

• What type of fish is sprats?

  The European sprat (Sprattus sprattus), also known as bristling, brisling, garvie, garvock, Russian sardine, russlet, skipper or whitebait, is a species of small marine fish in the herring family Clupeidae. Found in European waters, it has silver grey scales and white-grey flesh.

• Will undercooked catfish make you sick?

  Also, can you get sick from eating undercooked catfish? Undercooked fish can still have live parasites, so be sure to thoroughly cook fish and to only eat raw fish that is parasite-free. They can cause severe illness, including scombroid and ciguatera fish poisoning.

• How long do you boil precooked frozen shrimp?

  How long do you boil frozen shrimp? Boil your shrimp for 2-7 minutes, or until they begin to float. Stir your shrimp periodically as they boil to make sure they all heat evenly. There's no need to wait for all of your shrimp to float.

• What is the best feeds for tilapia?

  Some aquatic plants like water lettuce, water hyacinth or alligator are also good feed for Tilapia. Making feed by them, farmers just need to directly cut them into pieces or mix them into compound feed after cutting. Microcystis and Cyanophyceae are easy to digest to both Tilapia fingerlings and adult Tilapia.

• How can you tell if shrimp are saddled?

  A shrimp is saddled when you see small dots right behind her head. It is called a saddle because it looks like a saddle on a horse. The eggs are unfertilized at this point and she is getting ready to breed and will do so next molt.

• Are Mollies OK with shrimp?

  yes. Mollies will eat most anything. Most anything will eat CRS, or any shrimp small enough for them to tear apart.

• What eats a pistol shrimp?

  Predators: Triggers, larger Hawkfish, Groupers, Lionfish, and large predatory Wrasses may eat Bullseye Pistol Shrimp. They are best kept with reef safe fish.

• Is eating pink salmon good for you?

  All types of canned salmon (pink, chum, coho and red sockeye) are healthy choices. Choose canned salmon with the bones so that you get the most calcium. Look for the lower sodium versions.

• Do fish like fake bait?

  Artificial lures are amazing for catching all types of fish, both big and small. ... As you will see below in the “amount of fish caught” section, artificial lures have been known to outfish live bait in terms of total fish, but in general, they don't match up to live bait if you are only targeting big fish.

• What colors do catfish see?

  Catfish are bottom feeders and are attracted to food by both sight and smell. They like bright colors such as orange or red. One of the best lures are Cheetos puffs. The bright orange color attracts their attention and the cheesy corn smell encourages them to bite.

• Are jarred oysters safe?

  FYI: we don't recommend eating previously shucked oysters (the kind we sell in a jar) raw. Not that they're harmful, just that they've had most of their -ness rinsed off. Don't get us wrong: the shucked oysters are amazing, and might be the best thing we sell, but they're meant to be cooked.

• Why is smoked mackerel so fattening?

  Smoked mackerel It's also laden with 39g of fat, including 17g of saturated fat, which is 85 per cent of the recommended daily amount (RDA). Furthermore, it supplies 3.4g of salt - nearly 60 per cent of the RDA. GET IT RIGHT: Eat fresh mackerel fillets instead and grill them.