Freshwater sharks
Most fatal collisions of man with bull shark was not in the sea and in fresh waters. Bull sharks inhabit, for example, in the lake Nicaragua. The Spaniards who first…

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Marine fish for your mini aquarium
Marine fish — a real decoration for any aquarium, be it flocks of small fish or a big triggerfish. Coral fish known for their bright, contrasting and saturated color and…

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The most dangerous sharks
There are a large number of species of sharks and only some species can represent for humans a real threat. Should not treat the shark as a great blood-thirsty predator,…

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attack

Fish behavior

Activator biting Fish Hungry

Fish behavior can seem reasonable, but it is still based on the instincts. The instincts of the fish is hereditary actions and every species they own, manifested in matter. what are the habitat conditions .

During spawning, fish behavior consists of a set of instinctive actions, that are invoked in a certain order and under the influence of specific stimuli.

For example, consider the behavior of such fish as grayling. For male grayling before spawning it is very important to occupy the spawning area with appropriate bottom and cover. Such a marriage he protects from other males, who also dressed in a marriage outfit and already his appearance allures females.

Female, reacting to the actions of the male, should be willing to spawning, and if it does not, then the male just chased her. Continue reading

Shark attacks in Egypt
Egypt is one of the most developed tourist destinations in the world. As tourism is the main source of income for the state budget, for the country in the first…

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TOP 5 most beautiful fish of the Black sea
31 October international Black sea day. We decided to make a selection of the most beautiful of its inhabitants. The brightest fish of the Black sea – trooper (Tripterygion tripteronotus).…

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