What do crayfish do when they mate?

Males release it when they battle each other, and so do females. During courtship, the difference is that males are drawn to female urine and they stop releasing their own. Doing so might be their way of appeasing the violent female, his way of raising a chemical white flag in the hopes of getting a chance to mate.

FAQ

• Do catfish grow forever?

  Catfish never stop growing but the growth does slow down as the fish matures and reaches older ages. Several factors such as geographical location, the flow of water and food availability can impact catfish growth and growth rates.

• Will bala sharks kill other fish?

  However, despite bala sharks' unusual size, these fish are pushovers. So avoid aggressive fish or fin-nipping fish. Bala sharks can't thrive when other fish pick on them.

• What is the best tasting smoked fish?

  The best fish for smoking include bluefish, striped mullet, mackerel, scallops, clams, Oysters, swordfish (belly is amazing smoked), tuna, and more. The fattier the fish, the more flavor it will absorb.

• Are Tiger Prawns good to eat?

  Are prawns healthy Prawns are good for you. They're high in protein and eating them is a great way to help make sure you and your family get enough iron, zinc and vitamin E. Prawns also contain heart-friendly omega-3 fatty acids.

• What can you not feed Oscars?

  Other types of frozen foods like brine shrimp, bloodworms, mysis shrimp, and various similar formulas are not suitable for any but the smallest of oscars. Oscars are simply just too messy when it comes to feeding, and the small particles in such foods will do more harm than good for the fish in the long run.

18 Related Question Answers Found:

• Why is Pollock fish so popular?

  Pollock and Cod are among the world's favorite fish foods. People love them for their white flaky meat and incredible taste. The two species are actually members of the same family of fish, and people often can't tell the difference between them.

• Why do salmon die after mating?

  Salmon change color to attract a spawning mate. ... Most of them stop eating when they return to freshwater and have no energy left for a return trip to the ocean after spawning. After they die, other animals eat them (but people don't) or they decompose, adding nutrients to the stream.

• Is catfish high in mercury?

  Do not eat Shark, Swordfish, King Mackerel, or Tilefish because they contain high levels of mercury. ... Five of the most commonly eaten fish that are low in mercury are shrimp, canned light tuna, salmon, pollock, and catfish. Another commonly eaten fish, albacore ("white") tuna has more mercury than canned light tuna.

• How do you cook frozen smoked mackerel?

  Oven cook - From Frozen: Remove all packaging. Wrap mackerel fillets in lightly oiled foil to form a parcel. Place on a baking tray. Cook in the centre of a pre-heated oven at 190°C/375°F/Fan 170°C/Gas Mark 5 for 20-25 minutes.

• What water temp do Spanish mackerel like?

  21-27°C Temperature and salinity are believed to be the most important factors determining adult distribution. Spanish mackerel prefer water temperatures of 21-27°C, and they are rarely found in waters cooler than 18°C.

• Can I eat a dead fish?

  It is not safe to eat a dead fish. It is highly dangerous, especially in survival-type situations. Dead fish harbor bacteria, parasites, and disease that can make you very sick and even cause death.

• Can a dog die from eating fish bones?

  Can fish bones kill my dog? Yes, eating fish bones, no matter how harmless they seem to us, can kill your dog. From a choking hazard to internal bleeding, to serious intestinal blockages, there are many, many risks waiting for your dog from a fish bone.

• What happens if you refreeze thawed shrimp?

  If raw or cooked food is thawed in the refrigerator, it is safe to refreeze it without cooking or heating, although there may be a loss of quality due to the moisture lost through thawing. After cooking raw foods that were previously frozen, it is safe to freeze the cooked foods.

• Do I grill salmon skin side down?

  So when you're cooking salmon, keep that skin on: It provides a safety layer between your fish's flesh and a hot pan or grill. Start with the skin-side down, and let it crisp up. It's much easier to slide a fish spatula under the salmon's skin than under its delicate flesh.

• What is the hardest fish to kill?

  • Corydoras Catfish. You've probably spotted some of these distinctive fish in home aquariums or pet stores. ...
  • Dwarf Gourami. Shutterstock. ...
  • Harlequin Rasboras. ...
  • Kribensis. ...
  • Kuhli Loach. ...
  • Lemon Tetras. ...
  • Platies. ...
  • Siamese Fighting Fish (AKA Bettas)

• What can you mix shrimp with?

  24 Of The Most Delicious Things You Can Do To Shrimp

  1. Shrimp Pasta with Creamy Bisque Sauce. ...
  2. Easy Shrimp & Guacamole Tostadas. ...
  3. Shrimp & Pesto Pizza with Goat Cheese. ...
  4. Crispy Coconut Shrimp. ...
  5. Easy Hoisin Shrimp. ...
  6. Shrimp Burgers with Chipotle Cream and Peach Salsa. ...
  7. Creamy Corn Chowder with Barbecue Shrimp.

• What is the most rare crayfish?

  A new species of colorful crayfish was discovered in Ohio and is now possibly the state's rarest crayfish species, according to the Ohio Division of Wildlife. Ohio researchers have recently discovered the blue crayfish, otherwise known as the blue crawfish.

• Why are they called grass carp?

  A native of the Amur River in the extreme climates of Siberia, the grass carp was so named here because it is a rare example of a truly herbivorous fish that can survive on plant matter alone, like cows and other ruminant livestock. A fish that feeds like an aquatic cow is quite unique among fishes anywhere.

• Is trout classed as an oily fish?

  Oil-rich species include the mackerel and tuna group, herring and anchovy group, as well as salmon and trout. The most sustainable varieties of oily fish are mackerel, pilchards, sardines, herring and skipjack tuna (usually sold canned).

• Which pond is the best for catfish?

  The first, called embankment or levee ponds, is the most common type of pond used in channel catfish farming. Embankment ponds are the preferred type for large-scale catfish farming because they can be built in large contiguous tracts, which aids in pond management.

• How many calories are in a bowl of homemade clam chowder?

  Calories in Homemade Clam Chowder Soup

  Calories	191.2
  Cholesterol	19.0 mg
  Sodium	374.5 mg
  Potassium	852.3 mg
  Total Carbohydrate	31.5 g

• What is the difference between pilchards and herrings?

  As nouns the difference between herring and pilchard is that herring is a type of small, oily fish of the genus clupea , often used as food while pilchard is any of various small oily fish related to herrings, family clupeidae.

• How do you stop silver carp from spreading?

  Dispelling Asian carp with water guns; Using pheromones to drive the fish away or attract them to areas where they can be easily killed; Developing “biobullets” with tiny, calibrated doses of poison to kill only them; And altering Asian carp eggs so that their offspring are sterile.