Do all fish spawn?
Most fish lay eggs, and it is fertilized outside of their body. Fish that spawn, are called oviparous. But some fish give birth to live fry. Such fish are called…

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Breeding fish in artificial reservoirs
Such fish as carp and tench in the main lead independent lives and inhabit deep waters, in stagnant water, away from other fish. White and motley silver carp are quite…

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The inspection found the cause of mass death of fish in the Nikolaev reservoirs
From 11 to 19 June this year, the State ecological inspection in the Nikolaev area repeatedly documented fish kills in the rivers the southern bug, Ingul and the Bugsky estuary.…

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aquarium

View aquarium fish: goldfish

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

Aquarium fish

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

Marine aquarium maintenance fish marine aquarium

The content of the fish in a saltwater aquarium can be very challenging. Maintenance of the necessary salinity of the water and a sufficiently high oxygen level in it even in a well – equipped aquarium is not easy. Most marine fish bred in aquariums, is habitat, so these fish cannot tolerate fluctuations. Reef the oxygen level is always high and a lot of light, because the corals grow only in shallow and clean water.

Sea water is very corrosive, so the aquarium must be made entirely of glass or plastic, without metal parts. Although marine fish are less inclined to jump out of the vessel compared to freshwater, the aquarium must be carefully closed to avoid contamination. It will also help to control evaporation: when water evaporates, salinity increases, so the vessel should be topped up with distilled water.

Bright lighting is also important in a marine aquarium. It promotes the growth of algae, which clean the water and in turn may serve as food for fish. Seawater is a complex mixture of salts Continue reading

Marine aquariums
Marine aquariums can be divided into several types, depending on the animals that inhabit coral reef, fish, mixed and thematic. Of course, the most memorable and prestigious, but at the…

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Directory of commercial fish
Centrolophidae - Stromateidae – Perciformes Seriolella porosa, Seriolella punctata Silver warehou, Savorin length: 67 cm; weight: 3 kg (average 500g); the production season: in bycatch, almost all year round. Habitat…

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