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Is complete darkness bad for fish?

Asked: Pierre-Luc Horion🚒🎣, Last Updated:

A fish that has had a disturbed period of rest will catch up when the opportunity arises. The general advice available on this suggests that fish should never be kept in a totally dark environment and that some background light is advisable to avoid stress from lights being suddenly switched on.

FAQ

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    Both mussels and clams originate in similar mollusk (hinge-shell creatures) families but there are differences between them. Mussels come from saltwater and freshwater alike. ... Mussels are also securely attached to the surface they live on by tight threads. Clams, however, are only found in freshwater.

  • Is yellow croaker good to eat?

    Yellowfin croakers are safe to eat. May anglers say they are tastier than white seabass and they contain less mercury. Most people will be safe eating 1-2 servings of these fish per week.

  • Can you eat canned oysters every day?

    While this mineral is important for health, consuming too much can be harmful. Though zinc toxicity is most often associated with supplements, eating too many oysters too frequently can lead to negative health effects, such as reduced levels of the minerals copper and iron that zinc competes with for absorption.

  • Do flying squids actually fly?

    While only a few squid species have been recorded taking flight, most squid are alike in the way they traverse the ocean. The outside of a squid's body is a massive tube of muscle called the mantle. Water enters that tube through small openings around the squid's head.

  • What color are real salmon eggs?

    Salmon eggs (roe) range in color from pale yellowish-orange to dark reddish-orange. The color varies both by species and within species and is determined by water temperature, sediment composition, age, and other factors.

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    Tips for storing salmon Check the best before date on the can. Once opened, remove salmon from the can, store in an air tight container in the fridge and use within 3-4 days. You can freeze canned salmon for up to 3 months.

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