Generally anywhere between 4 to 8 oz. or a single fillet depending on the size of the fish.
twice a week ]
How many potatoes you should eat dailyYou can eat as many potatoes as you want.Potatoes are very healthy and you CAN eat as much as you want but the best portion would be 1-3 potatoes.
I'd guesstimate that a 6 to 8 ounce portion would be just fine.
40-50% of fish are sold each year
about 5
119;9
You should eat two portions of fish a week. One of the portions should be oily fish such as sardines or mackerel.
most fish usually have two internal ears on each side of their head
There are no records of such things.
two layers of gills on each side
Both fish, and fish tanks, come in different sizes. So the number of fish that ideally should be in a tank, depends. Somewhere between one and a hundred would be normal.
No fish should be kept in a bowl. They should be kept in at least 10 gallons of water but usually more depending on how many fish you have and how many you have. A good general rule is for every inches of fish you should have 1 gallon of water keeping in mind that they will grow.