Data sheet Dickkopf disc tetra German name: Bigheaded Disk Tetra Scientific name: Hypnotize Metynnis Origin: South America, French Guiana, Amazon and Paraguay river basins Size: Body length 15cm – 18cm Aquarium Length: Length from 150 cm width Contents: from 400…
»> Classified as horizontal or vertical (ascending or descending), winds are formed by differences in pressure and temperature between layers of air. “When an air mass with high atmospheric pressure or low temperature moves towards a region of low pressure,…
User:Haplochromis, automatic feeder, marked as public domain, details on Wikimedia Commons Two basic techniques can be distinguished for automatic feeders.In the first technique, a slotted roller rotates under a hopper filled with feed. This technique comes z. B. used in…
The 100% Brazilian fight was created in the 17th century by African slaves of the Bantu ethnic group. Because of its origin, it was officially prohibited until 1937, although it never ceased to be practised. In the 1930s, the Bahian…
Data sheet rabbit Scientific name: Oryctolagus cuniculus forma domestica Origin: North Africa and Iberian Peninsula Size: between 20 – 70 cm age expectation: 6 – 10 years attitude and behavior Group vs. individual housing: at least for two Lining: Grass,…
(iStock/Strange World) Let’s start with the simplest: the @ or «at» exists to separate the username from the name of the provider where the email account is hosted. The big mystery is knowing why they chose @ for emails and…
Over time, limescale deposits form on the panes due to evaporation of the aquarium water. These can be removed with mechanical or chemical aids. When working on the pane surfaces inside the aquarium, care must be taken to ensure that…
The oldest evidence found by archaeologists date back to Ancient Egypt, around 3000 BC. “Considered an art by the Egyptian civilization, makeup originated with kohl”, says physical chemist Inês Joeques, from the State University of Campinas (Unicamp). Kohl is a…
Data sheet azure cichlids German name: azure cichlids Scientific name: Sciaenochromis fryeri Origin: in southern Lake Malawi Size: Body length up to 20 cm Aquarium Contents: at least 450 – 500 liters water values Temperature: 24°-27° C pH: 7.2 –…
Ninja Turtles They were the creators of a Japanese martial art known as ninjutsu. “It is a set of espionage and assassination tactics, practiced by masked warriors, specialists in fraudulent tricks”, says historian Masanori Fukushima, from Takushoku University, in Japan.…