By Natasha Khardina Estimated read time: 5-6 minutes The Biotope Aquarium Contest 2025 (BAC2025) has once again carried forward a quiet revolution in the aquarium world: transforming precise field research of natural habitats into public education. Instead of rewarding artistic layouts alone, BAC demands scientific documentation - photographs of the original location, species lists, substrate analysis and systematic notes - and celebrates those who faithfully translate wild h