In tropical seas poisonous fish is not unusual. From them should stay away, as the poison some of them fatal to humans. Moreover, poisoning and death can cause not only biting fish, but the use of them as food.
Threat by eating the so-called coral fish, and benthic, which live on the seabed. Many lagoon and reef fish are also poisonous meat. Pick out generally: if there is any doubt about the safety of seafood, it is better to give them up! Toxins poisonous fish have no taste, because almost completely dissolve in water. They are also not subject to disintegration during heat treatment. So that grilled or poached fish – not so safe. Also, be aware that many birds have an immunity to the toxins of fish, so if you see a bird, quietly eating fish, do not rush to chase and eat the remains of the feast. What is good for the birds, for you can be fatal! Continue reading
For various reasons you prefer the aquarium to the small size. Maybe he is a great addition to the interior or the aquarium gave you friends… it doesn’t matter, the main thing that you have and now you need to pick up a fish.
So in the aquarium was maintained biological balance, we need a serious approach. Consider the number of fish, plants and other inhabitants under a certain amount.
Overpopulate the aquarium, in any case, it is not recommended. The formula for calculating this, at a fish length of 2.5 cm (measured without the tail), requires a 75 sq. cm the surface of the water. This calculation is suitable for all aquariums. For example, have a tank volume of 30 liters and 40 (length) x 25 (width) x 30(height). Calculate the surface area, 40×25 =1000 sq cm the Next step, the calculation of the number of fish, in this case 1000 / 75 x 2.5 = 33cm. That is, the total length of fish for the aquarium will be 33 cm
Do not put in small aquariums predators. Ask the seller the maximum size of the fish you plan to purchase. Continue reading