ILLUSTRATIONS: Danyael Lopes Discover the pantheon of this important Central American culture. ITZAMNA He was the god of the skies, day and night, helping humanity with his healing powers. For the Mayans, he was the inventor of writing, the calendar…
Data sheet brocade barbs German name: brocade barbs Scientific name: Puntius semifasciolatus Origin: North Vietnam, Southeast China (Asia) Size: up to 7 cm Aquarium Length: at least 100 cm edge length Contents: from 150 liters water values Temperature: 18°C to…
(strange world/strange world) The Catholic Church considers Saint Peter – Simon Peter, one of the 12 apostles of Jesus – the first pope in history. He would have assumed the role of leader of Christianity shortly after the death of…
Why is iron content important? Aquatic plants need iron as a nutrient. If the plants do not have enough iron available, they show the deficiency by a so-called chlorosis. The leaves become light green and pale. At the latest when…
(korsaralex/iStock) The name of this luminous ring is the lunar halo: an optical phenomenon that happens when the moon’s light passes through tiny ice crystals suspended in the atmosphere. The result is a ring of light with an area up…
Many fish assume typical sleeping positions at night. They go to rest and sleep. This is done, for example, by tetras, armored catfish and gouramis. Because most fish don’t have eyelids, they can’t close their eyes and don’t appear to…
ILLUSTRATES Rodrigo Ico There are several methods, and all include performing a reality check. Basically, a lucid dream is one you can control. Researchers believe that since ancient Egypt there are records of lucid dreams, but scientific proof only came…
Burkhard Mücke, terrarium building 30, CC BY-SA 4.0 Need of heat lamp in the terrarium are reptiles cold-blooded animals and therefore heavily dependent on their ambient temperature. For many snakes and lizards that come from hot regions of the world,…
»> Yes, they drink – but most do so indirectly, through food. “Even dry and solid foods contain so-called metabolic water, formed by the oxidation of carbohydrates and fats. This is how the larvae of certain beetles and moths are…
Data sheet ocelot loricariid / L287 German name: Ocelot Loricariidae / L287 Scientific name: Hypancistrus sp. Origin: South America Size: Body length up to 13 cm Aquarium Length: Length from 100 cm width and from 60 cm width Contents: from…