Why does my catfish have black spots?

Blackspot appears as black spots on the skin and fins, and the meat appears to be peppered. This is caused by the black grub, an immature fluke. The yellow grub appears as cysts in the muscle tissue.

FAQ

• What color do fish see?

  The majority of fish have developed eyes that will detect the type of colors typical of their environment. For example, inshore fish have good color vision, whereas offshore pelagic fish have limited color vision and detect only a few if any colors other than black and white.

• Which is the most poisonous fish in the world?

  The most venomous known fish is the reef stonefish. It is an ambush predator which waits camouflaged on the bottom. The beautiful and highly visible lionfish uses venomous barbs around its body as a defence against predators.

• Is smoked catfish healthy?

  Fish is a healthy, protein-rich food packed with vitamins, minerals and healthy fats. Smoked fish is full of protein, omega fatty acids and other essential nutrients. ... It's definitely a healthy food.

• What herring consumes?

  One of the most abundant species of fishes in the world, herring eat such minute organisms as copepods, pteropods, and other planktonic crustaceans, as well as fish larvae. They travel in vast schools, providing food for larger predators such as cod, salmon, and tuna.

• What flavor do carp like?

  Except for sweet flavours, carp like flavours like shrimp, crab and fishmeal. Those flavours are frequently used in boilies. In addition to the above, carp can be caught using boilies with exotic flavours like cinnamon and mint. But the flavour is not the only thing that will attract carp.

• What gives fish its fishy taste?

  What makes fish smell “fishy”? ... The problem is that when fish are killed, bacteria and fish enzymes convert TMAO into trimethylamine (TMA), which gives off the characteristic “fishy” odor. This smell can be reduced in two ways. TMA on the surface of the fish can be rinsed off with tap water.

• How rare can you eat tuna steak?

  The finest tuna is reserved for eating raw, as in sushi or sashimi. If you are cooking fresh tuna at home, it should ideally be cooked medium-rare, seared very quickly over high heat, preferably on a grill. If you cannot handle medium-rare tuna, at least do not overcook it.

16 Related Question Answers Found:

• Is it bad to have too many snails in a fish tank?

  Bad Aquarium Snails There really are no “bad” snails, but a few species can multiply unchecked and overrun an aquarium. Seeing hundreds, if not thousands of these little beasts taking over your tank can be unnerving, and they can place a burden on biological filtration as well as clog filter intake tubes.

• Can cats have frozen shrimp?

  Can cats eat frozen shrimp and pre-packaged cooked shrimp. Processed, ready-to-eat, pre-packaged shrimp is an absolute no-no for cats. These foods are extremely high in sodium, which serves as a preservative. Such high levels of sodium are unhealthy for your kitty, to say the least.

• Is smoked salmon safe to eat out of the package?

  Since it is already 'cooked', you can eat the succulent slices straight off the package (my personal favorite); put it on toast with cream cheese for a great quick snack; make yourself a smoked salmon sandwich on the go; or prepare a four-course gourmet meal based on the delicate treat.

• Does fish go bad if its frozen?

  Properly frozen fish will stay good in your freezer for up to 6 months. There are a few exceptions to this rule. Fatty fish like trout and salmon have a shorter shelf life in the freezer. They will only last for up to 3 months.

• Is tap safe harmful to fish?

  Tap water contains very small amounts of chlorine that we use to remove harmful bacteria. Although chlorine is completely safe for us, it can be very dangerous to fish.

• What is the hard plastic packaging called?

  Blister packs These nearly impenetrable shells, which are often called oyster, clamshell or blister packs, are ubiquitous precisely because they are hard to open—the inconvenience is designed as a defense against shoplifting.

• Is salmon banned in India?

  Salmon fish is not available in India as it is not native to the subcontinent. However, you can search for Rawas in your local market which is otherwise known as Indian salmon.

• What was tilapia before?

  Tilapia (/tɪˈlɑːpiə/ tih-LAH-pee-ə) is the common name for nearly a hundred species of cichlid fish from the coelotilapine, coptodonine, heterotilapine, oreochromine, pelmatolapiine, and tilapiine tribes (formerly all were "Tilapiini"), with the economically most important species placed in the Coptodonini and ...

• What happens if you leave a hook in a fish?

  A hook will rust away in a fish, but it may take a while, especially if the hook is plated or made of thick metal. But fish's stomachs are pretty tough. They can stand up to the spines on little fish like bluegill or pinfish. ... So cutting off a swallowed hook is not really a big deal.

• Why do crayfish have one big claw?

  Males use their claws to fight over females, food, or burrows and generally the male with the bigger claw wins. Fiddler crab males have a particularly exaggerated apparatus that can measure over 50% over their body weight. The single, enlarged claw is a sexually-selected weapon.

• What is the going rate for bluefin tuna?

  The auction prices are way above usual for bluefin tuna. The fish normally sells for up to $40 a pound ($88 a kilogram), but the price rises to over $200 a pound near the year's end, especially for prized catches from Oma in northern Japan.

• Are fish sensitive to music?

  Most fish can be stressed by loud boomy music. It's like tapping on glass. High frequency sounds are not the worry and never penetrate the tank but bass music frequencies can slam through almost anything. If you have a sub woofer or large full range speakers then turn the sub woofer off and turn down your bass.

• What is the most expensive fish?

  Pacific Bluefin Tuna Pacific Bluefin Tuna: The World's Most Expensive Fish.

• Can Waitrose tuna be eaten raw?

  As our tuna and salmon is sold on the counter alongside other fish, it is not suitable to eat raw for sushi.

• Do you need to cook store bought smoked salmon?

  Smoked Salmon is already cooked, so it typically needs no further cooking. Preparing it as often as simple as pairing it with herbs, bread, wine or other foods and drinks.

• How long can you keep live crawfish alive?

  2 days You should keep your crawfish alive until the time comes for you to cook them for no more than 2 days. Your best bet is to keep them in cool storage, somewhere between 46 to 48 degrees Fahrenheit. Put them in a plastic bag and store that in an ice-filled cooler.