Use the Fisher’s exact test of independence when you have two nominal variables and you want to see whether the proportions of one variable are different depending on the value of the other variable. Use it when the sample size is small. What is Fisher’s test used for? Fisher’s exact test is a statistical test…
Can corals hurt fish? The corals won’t hurt the fish and they probably don’t have enough biomass to mess anything up if they were to die. Unless the anemone’s huge I wouldn’t worry much about that either. The biggest problem is just transfer stress, whenever you move animals from tank to tank sometimes things die….
The Ministry of National Defence’s Directorate for Standards and Quality director, Nguyen Van Tach, says that results of tests conducted over the last three years showed that some of the sauces contained harmful bacteria such as clostridium, which can cause headaches and diarrhoea. Can you eat too much fish sauce? A new report shows that…
Can catfish eat frogs? Flathead catfish, for example, rarely eat anything besides live fish. Channel cats and bullheads also catch and eat fish, frogs, crayfish and clams. Can fish eat frogs? The list of animals that eat frogs includes snakes, raccoons, herons, coyotes, skunks, turtles, and of course, fish. Largemouth bass, chain pickerel, northern pike,…
If your gut reaction is “yuck,” you are in good company. Whether it’s from remembering Grandma’s cod liver oil or taking today’s capsules, many people believe fish oil ought to taste bad. The truth is that omega-3 supplements shouldn’t taste like yesteryear’s salmon. And if your fish oil does, it may be rancid. How do…
Generally, no fish should be kept in a tank smaller than 10 gallons. However, a single betta can live in a 5-gallon tank—but more is always better. Can you put betta fish in an aquarium? Many people mistakenly believe that betta fish must be kept in “solitary confinement.” Female bettas can live together, and while…
They found that DHA-enriched fish oil enhanced B cell activation and select antibody production, which may actually aid immune responses associated with pathogen clearance, while possibly dampening the totality of the inflammatory response. Does fish oil lower immunity? Fenton said the results show a high dose of fish oil beyond what you’d normally get from…
If kept outdoors, plecos do best in tropical to semi-tropical regions. They do just fine in temperature regions as well provided they are not left outside over the winter. Can you put a plecostomus in an outdoor pond? Plecos are usually found in aquariums and are tropical fish, but they can be beneficial in Koi…
Some studies have found that taking moderate doses of fish oil could enhance sleep quality. One study of 395 children, for instance, showed that taking 600 mg of omega-3 fatty acids daily for 16 weeks helped improve sleep quality ( 22 ). Does fish oil help with sleeping? Omega 3s may improve sleep quality and…
Can toddlers eat fish eggs? Wild salmon roe (aka fish eggs or caviar) can easily be smashed in between gums if baby doesn’t have teeth yet, and if they do have teeth they will be even easier to masticate. They “pop” with slight pressure and release the omega-3-rich liquid easily. Can you give fish to…