Live wood in the aquarium refers to pieces of wood that are still alive, meaning they have living plant tissue present. This can include driftwood with attached plants or mosses, or pieces of wood with roots still intact. Live wood can provide natural filtration, shelter, and grazing areas for aquarium inhabitants, as well as contribute to the overall aesthetics of the tank. It is important to properly care for live wood to ensure the health of the plants and the balance of the aquarium ecosystem. **

A 30-liter aquarium is suitable for small fish and invertebrates such as shrimp, snails, and small freshwater fish like guppies, tetras, and dwarf cichlids. It is important to consider the adult size and behavior of the animals when choosing inhabitants for a small aquarium to ensure they have enough space and suitable conditions to thrive. It is also important to avoid overcrowding the aquarium to maintain good water quality and a healthy environment for the animals. **

Yes, both aquarium plants and fish can be bought online. There are many reputable online retailers that specialize in selling a wide variety of aquarium plants and fish. However, it is important to research the seller and read reviews to ensure the quality and health of the plants and fish being purchased. Additionally, consider the shipping process and make sure the plants and fish will be well-packaged and delivered safely to their new home. **

Yes, you can buy aquarium plants and fish online from various websites and online stores that specialize in selling aquatic plants and fish. It is important to research and choose a reputable seller to ensure the health and quality of the plants and fish you are purchasing. Additionally, be mindful of shipping and handling procedures to minimize stress on the plants and fish during transit. **

Guppies typically thrive in water temperatures between 72-82°F (22-28°C), while aquarium cleaners, such as snails and shrimp, also prefer similar temperatures. It is important to maintain a stable and suitable water temperature within this range to ensure the health and well-being of both guppies and aquarium cleaners in the tank. Fluctuations outside of this temperature range can stress these aquatic creatures and potentially lead to health issues. **

Yes, a freshwater eel can live in a 120-liter aquarium, but it is important to consider the specific species of eel and their adult size. Some freshwater eel species, such as the peacock eel or the tire track eel, can comfortably live in a 120-liter aquarium as they typically grow to around 30-40 cm in length. However, larger species such as the fire eel or the zig-zag eel may require a larger tank as they can grow up to 1 meter in length. It is important to research the specific needs of the eel species and provide a suitable environment for their size and behavior. **

Aquarium expert and marine biologist, Dr. Jane Smith, has over 20 years of experience working with a wide variety of aquatic species. She specializes in creating and maintaining healthy ecosystems within aquariums, ensuring the well-being of the marine life under her care. Dr. Smith is passionate about educating others on the importance of conservation and sustainable practices in the aquarium industry. Her expertise and dedication have made her a respected figure in the field of aquatic science. **

It ultimately depends on your preference and the type of environment you want to create. Terrariums are great for creating a small, self-contained ecosystem with plants and sometimes small animals like reptiles or amphibians. On the other hand, aquariums are ideal for showcasing aquatic life such as fish, invertebrates, and aquatic plants. Consider the type of maintenance and care you are willing to provide, as well as the type of environment you want to enjoy, when deciding between a terrarium or aquarium. **