Do clams have eyes?

Some clams even have compound eyes, or eyes with multiple visual units, though they differ from the better-known compound eyes of insects. ... She believes that the opsins, in most cases, are being repurposed from some other function within the animal to be used in the eyes.

FAQ

• What type of fish eat mullet?

  You're likely to get crushed by one of a variety of species including jumbo trout, redfish, snook, jacks, tarpon and bluefish. Other times, mullet just sort of mill about the surface, often with their dorsal fins exposed.

• What is the biggest fish ever caught on rod and reel?

  Great White Shark His vessel often had a multi-season wait list for a chance to catch the giant sharks he'd dubbed "Monster Fish". His largest monster, a Great White Shark weighing 3,427 pounds, still remains the largest fish ever caught by rod and reel.

• Does freezing shrimp ruin it?

  As long as the shrimp stay frozen, they technically do not expire. Their flavor and ability to withstand freezer burn, however, rapidly deteriorates.

• Will Assassin snails eat shrimp pellets?

  They will also eat frozen mysis shrimp and in a pinch shrimp pellets but they would much rather have frozen food over freeze dried or flakes. ...

• What's the best time to fish for pike?

  During spring and fall, fishing between late morning and early afternoon will be the best time to catch pike. Very early mornings and evenings are your best picks during the summer. In winter, the hours between the later mornings and middays are usually the best to catch northern pike.

• Why sudden death of large number of fishes may occur in water bodies?

  The most common cause of natural fish kills is lack of oxygen in surface water. Lack of oxygen can asphyxiate most susceptible fish species within a few hours. Depletion of oxygen in water can result from natural processes and storm events are very often involved.

19 Related Question Answers Found:

• How does the grass carp affect water quality?

  Adult Grass Carp primarily eat aquatic vegetation, often uprooting large areas of vegetation which can lead to increased turbidity and poorer water quality.

• Can you revive dead fish?

  Small fish often don't need to be revived at all because they are on the line for only a short time, and are usually not physically stressed by the event. When you revive a fish, make sure you hold it upright and in a gentle flow of water so it can get its gills working and recover oxygen from the water.

• What is the black stuff on salmon?

  The black spots are comprised of inflammation effects and scar formation, a sign of both acute and old tissue damage. Salmon have a special type of immune cells that produce melanin. It is these cells that give rise to the discolouration.

• Is tilapia a healthy fish to eat?

  Tilapia is an excellent source of omega-3 fatty acids and protein, both of which are important for good health. Choosing tilapia from a responsible source can reduce the risks to health. Consumers can look for the country of origin or the Ocean Wise symbol to check the source of their fish.

• Can you wait to gut a fish?

  Raw fish should only be kept in the fridge for 1 or 2 days before eating it. On the other hand, if you freeze freshly gutted fish, this preserves their quality for 3-8 months. However, most anglers don't have time to gut freshly caught fish, since they want to continue catching more fish.

• Is pink good for salmon?

  Pinks caught in the ocean are the best, as with all salmon. But pinks are not known for their excellence as a table fish. Their meat at its prime–before it begins to deteriorate as the fish swim upstream to spawn and die–is grayish-pink.

• Can you put crawfish in a pond?

  Welcome Residents. Crayfish can make a fun addition to your pond. They nibble on aquatic plants, so they help control weed growth. They eat decaying material, so they - along with Airmax MuckAway - will help keep pond muck to a minimum.

• Which is a true fish?

  Dogfish is referred to as true fish, amongst Dogfish, Jellyfish, Starfish, and Silverfish.

• How long does it take for pellicle to form?

  What is a pellicle? The pellicle seals and creates a sticky surface on the fish for the smoke to adhere to. Place the brined salmon in front of a fan to dry and develop a shiny skin, this should take 4 hours and is vital to do.

• Can pond fish survive without feeding?

  Pond fish can easily survive 2 weeks or more without food. Overwinter they go months without eating. If you design and keep a well balanced pond ecosystem you will never have to feed your fish.

• What is the best month to catch mackerel?

  May-June is the best time to catch mackerel, although they are caught all summer in numbers and larger specimens are sometimes caught in winter.

• Do crayfish need to be submerged in water?

  But at the bare minimum all you need for a crayfish enclosure is a small body of fresh water deep enough to cover the animal completely, and a rock or branch that allows it to climb out of the water (without being able to escape, of course!).

• Can you eat dairy and fish together?

  Since milk has a cooling effect and fish has a heating effect, their combination creates an imbalance that can lead to chemical changes in the body. This Ayurvedic phenomenon, about the cooling and heating effect, is also supported by many nutritionists and therefore, they advise you against this combination.

• Does rain stop carp feeding?

  The only reason rain may cause carp to stop feeding, is if the rain is consistently very heavy, or if it's cold rain and causes the temperate of the water to drop. In this case, the fish could decide to move on to a different area of the lake which provides more warmth. This Carp feed Really Well on a Rainy Day!

• Is it OK to eat canned mackerel?

  Top 5 reasons to eat canned small fish: Low cost: Canned sardines, herring and mackerel are amongst the least expensive fish on the market. ... Good for you: Sardines, herring and mackerel are a source of omega 3 polyunsaturated fatty acids, protein, vitamin D (and also calcium when the bones are eaten).

• Can ghost shrimp live in a pond?

  Ghost shrimp are often sold as "feeders" for all sorts of aquatic life. I have found that they live in ponds at least as low as the 50's degrees F. ... Most kinds of ghost shrimp grow 1 to 2 inches long with females being much larger than males.

• Why are snakeheads illegal in the US?

  Since 2002, it has been illegal to possess a live snakehead in many US states, where they are considered a destructive invasive species. ... Northern snakehead fish can spread by swimming underwater and are also capable of breathing out of the water to move short distances on land.

• Which part of bluefin tuna is most expensive?

  Otoro Otoro is the fattiest part of the tuna outside of the head and collar area. Narrator: This is the most expensive. And depending on where it's from, and where the fish was raised, the price can vary anywhere from $10 a piece to upwards of $80.

• What is the white stuff inside squid?

  Edible Innards The sexual organs are the oblong portion of the entrails extending furthest into the tip of the mantle, pale white in males but translucent in females unless they're filled with edible roe.