A saltwater fish, the croaker is the smallest member of the Sciaenidae family of drums. The species gets its name from the croaking sound it makes from the voluntary contraction of muscles attached to the air bladder, which acts like a resonance chamber. It’s unclear whether the croaking is a form of communication within a school of fish, a means of depth sounding or a mating expression, but croakers tend to make the sound most often during breeding season.

Read More Facts About Croaker

1.  They are high in vitamin B6.

Vitamin B6 helps reduce the chemical homocysteine in our bodies. Homocysteine has been linked with degenerative diseases, including heart attacks.

2. They are a good source of vitamin C.

While most people know that vitamin C is important to help ward off cold and flu viruses, few people are aware that this crucial vitamin plays an important role in bone and tooth formation, digestion, and blood cell formation. It helps accelerate wound healing, produces collagen which helps maintain skin’s youthful elasticity, and is essential to helping us cope with stress. It even appears to help protect our body against toxins that may be linked to cancer.

3.  They are a good source of vitamin D, which helps build healthy bones.

Vitamin D is critical for immune system and overall health at this time of year.  Both a vitamin and a hormone, vitamin D is primarily made in our bodies as a result of getting adequate sunlight. You may have heard about seasonal affective disorder (or SAD, as it is also called), which is linked to inadequate sunlight and therefore a vitamin D deficiency.

Vitamin D plays an important role in our energy levels, moods, and helps to build healthy bones, heart, nerves, skin, and teeth, and it supports the thyroid gland.

4.  Sweet potatoes contain iron and support a healthy immune system.

Most people are aware that we need the mineral iron to have adequate energy, but iron plays other important roles in our body, including red and white blood cell production, resistance to stress, proper im­mune functioning, and the metabolizing of protein, among other things.

5.  Sweet potatoes are a good source of mag­nesium, which is the relaxation and anti-stress mineral.

Magnesium is necessary for healthy artery, blood, bone, heart, muscle, and nerve function, yet experts estimate that approximately 80 percent of the popula­tion in North America may be deficient in this important mineral.

6.  They are a source of potassium.

Potassium is one of the important electrolytes that help regulate heartbeat and nerve signals. Like the other electrolytes, potassium performs many essential functions, some of which include relaxing muscle contractions, reducing swelling, and protecting and controlling the activity of the kidneys.

7.  Sweet potatoes do not cause blood sugar spikes.

Sweet potatoes are naturally sweet-tasting but their natural sugars are slowly released into the bloodstream, helping to ensure a balanced and regular source of energy, without the blood sugar spikes linked to fatigue and weight gain.

8.  Sweet potatoes help ward off cancer and protect against the effects of aging.

Their rich orange color indicates that they are high in carotenoids like beta carotene and other carotenoids, which is the precursor to vitamin A in your body.  Carotenoids help strengthen our eyesight and boost our immunity to disease, they are powerful antioxidants that help ward off cancer and protect against the effects of aging.

Studies at Harvard University of more than 124,000 people showed a 32 percent reduction in risk of lung cancer in people who consumed a variety of carotenoid-rich foods as part of their regular diet. Another study of women who had completed treatment for early stage breast cancer conducted by researchers at Women’s Healthy Eating and Living (WHEL) found that women with the highest blood concentrations of carotenoids had the least likelihood of cancer recurrence.

9.  They are versatile.

Try them roasted, puréed, steamed, baked, or grilled. You can add them to soups and stews, or grill and place on top of leafy greens for a delicious salad. I enjoy grilling them with onions and red peppers for amazing sandwich or wrap ingredients.  Puree them and add to smoothies and baked goods.

Octopuses are a family of cephalopods (a subgroup of marine invertebrates) known for their intelligence, their uncanny ability to blend into their surroundings, their unique style of locomotion (jet propulsion), and their ability to squirt ink.

Now these are some trivia and facts about octopus.

Octopuses Squirt Ink to Defend Themselves

When threatened by predators, most octopuses release a thick cloud of black ink, composed of melanin (the same pigment that gives human beings our skin and hair color). Despite what you may think, though, this cloud doesn’t serve simply as a visual “smoke screen” that allows the octopus to escape unnoticed; it also interferes with predators’ sense of smell (sharks, which can sniff small droplets of blood from hundreds of yards away, are especially vulnerable to this type of olfactory attack).

Octopuses Are Extremely Intelligent

Octopuses are the only marine animals–apart from whales and pinnipeds, of course–that are demonstrably capable of primitive problem-solving and pattern recognition skills. But whatever kind of intelligence these cephalopods possess, it’s extremely different from the human variety: for example, two-thirds of an octopus’ neurons are located along the length of its tentacles, rather than its brain, and there’s no convincing evidence that these invertebrates are capable of communicating with others of their kind.

Octopuses Have Three Hearts

All vertebrate animals have one heart, but an octopus is equipped with three: one that pumps blood throughout this cephalopod’s body (including its arms), and two that pump blood through its gills, the organs that enable it to breathe underwater. And there’s another key difference: the primary component of octopus blood is hemocyanin, which incorporates atoms of copper, rather than hemoglobin, which incorporates atoms of iron–which explains why octopus blood is blue rather than red!

Octopuses Have Short Life Expectancy

You may want to reconsider buying an octopus as a pet: most species have a life expectancy of less than a year, for a very gruesome reason. Millions of years of evolution have programmed male octopuses to die a few weeks after mating, and female octopuses stop eating while waiting for their eggs to hatch, starving themselves to death in the course of a few weeks. Even if you neuter your octopus (this procedure may not be offered by all veterinarians in your area), it’s unlikely to outlast the average hamster or gerbil.

 

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