
Eelgrass
Vallisneria spiralis
Hydrocharitaceae

Vallisneria spiralis
Hydrocharitaceae
Lives wild in Afghanistan, Algeria, Bangladesh, Botswana, Bulgaria, Burundi, Central African Republic, Chad, and 45 more countries.
Introduced to Belgium, Czechoslovakia, Germany, Hungary, Ireland, Mauritius, Netherlands, Poland, and 2 more countries.
Vallisneria spiralis, also known as straight vallisneria, tape grass, or eel grass is a common aquarium plant that prefers good light and a nutrient rich substrate. In the wild, it can be found in tropical and sub-tropical regions worldwide.
Plants that cope with low light, soft water and a beginner’s mistakes, and how to plant them so they grow.
Two completely different aquariums: forest rivers with soft, brown water, roots and leaves, and Rift Valley lake cichlids in hard, alkaline water with big rock piles.
Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.
A coldwater aquarium with European fish and plants, without a heater. The water follows the seasons, and summer heat is the biggest problem.