The Number – Cypriniformes
Family – Priniv
The genus/Species – Serrasalmus nattereri
Length: average 20 cm, in some species up to 50 cm.
Mass rarely exceeding 1.5 kg.
Caviar: a few thousand eggs.
The incubation period is 10-15 days, depending on water temperature.
Habits: constant float huge flocks.
Food: primarily fish; attack mammals, floating or come to the waterhole, and birds.
18 known species of piranhas, 4 of which are dangerous to humans, although fatal cases have been identified. Continue reading
At present, there are dozens of varieties of goldfish. The most similar to silver carp goldfish common. Different from carp, mainly for its yellow-gold color.
One of the varieties of goldfish is the Comet. Characterized by a long body and very long fins. Caudal fin with a deep neckline, two-bladed.
Shubunkin resembles an ordinary goldfish, but it is larger and has a more elongated fins. Scales are colorless, transparent. This fish is valued for an unusual color that can be red, yellow, blue, white, blue, purple, shimmering at the same time.
Valuehost short egg-shaped body with double tail. The dorsal fin is vertical, large.
Oranda is very similar to vualehvostki. The single difference is that fat lump on my head.
Livingonlove different from other goldfish that she has no dorsal fin.
The telescope has too protruding eyes, which are issued in side of 5 cm Continue reading
When it comes to buying a pet, people often forget about aquarium fish. And for good reason, because it’s a very aesthetic animals can teach responsibility because they require a failure of care. But we are not talking about the care of aquarium fish and how to choose them correctly, very often, buying the fish, people are guided exclusively by their appearance, which is totally wrong. On the one hand, you can just log on is aquarium online store – and to get new Pets and all of them needed. However, it should be remembered that there are some basic rules to guide you when choosing fish for aquarium.
First, and perhaps most importantly, you want to learn – pick up the fish so that they do not treat each other aggressively. Ask the seller or look for information before buying it for yourself – at no cost for fans of aquarium fish. Also, remember that fish that live in packs, need packs and kept, while those that live in pairs, pairs and see. Continue reading