Some aquarium fish do eat plants, while others do not. Herbivorous fish like certain species of tetras, barbs, and goldfish may nibble on or consume live aquarium plants as part of their diet. It's important to research the specific dietary needs of the fish species you plan to keep in order to determine if they will eat plants or not. Providing a balanced diet that includes plant-based foods or algae wafers can help satisfy the nutritional needs of herbivorous fish and reduce the likelihood of them snacking on live plants in the aquarium. **

Yes, fish can survive without plants. While plants can provide oxygen and serve as a food source for some fish, there are many species of fish that do not rely on plants for survival. These fish may obtain oxygen from the water and feed on other aquatic organisms or commercial fish food. Therefore, while plants can be beneficial for fish in an aquarium or natural habitat, they are not a requirement for fish survival. **

Plastic plants can be harmful to fish if they have sharp edges or rough surfaces that can injure the fish. Additionally, plastic plants do not provide the same benefits as live plants, such as oxygen production and natural filtration. Live plants also help create a more natural and stimulating environment for fish. It is recommended to use live plants or silk plants instead of plastic plants in aquariums to ensure the well-being of the fish. **

When setting up an aquaponics system, it is important to choose fish and plants that are compatible with each other and the environment. Common fish species used in aquaponics include tilapia, trout, and catfish, as they are hardy and well-suited to the aquaponic environment. For plants, leafy greens like lettuce, spinach, and kale are popular choices due to their fast growth and nutrient requirements. Additionally, herbs such as basil, mint, and cilantro can also thrive in an aquaponic system. Ultimately, the choice of fish and plants should be based on the specific conditions of the system and the preferences of the grower. **

If you notice that your fish are being nibbled on, it is likely that the culprit is a plant called duckweed. Duckweed is a small, floating plant that can quickly multiply and cover the surface of the water in your fish tank or pond. While it may not directly harm your fish, it can create a nuisance by blocking out light and oxygen. To control duckweed, you can manually remove it from the water or use a herbicide specifically designed to target aquatic plants. **

Betta fish are best suited to live in tanks with live or silk plants. Some suitable live plants for betta fish tanks include Java fern, Anubias, Amazon sword, and Java moss. These plants provide hiding spots and resting places for bettas, as well as help maintain water quality by absorbing nitrates. It's important to choose plants that are compatible with the betta's environment and won't harm the fish with sharp edges or toxic substances. **

Needle spikerush plants are not known to be toxic to fish. In fact, they can provide a natural and beneficial habitat for fish by offering shelter and spawning areas. However, it is always a good idea to monitor your fish when introducing any new plant to their environment, as some fish may have specific sensitivities or reactions to certain plant species. **

No, fish cannot drown because they extract oxygen from the water through their gills. The plants in the aquarium actually help to oxygenate the water through the process of photosynthesis, which can benefit the fish. However, it is possible that the plants may have contributed to poor water quality if they were decaying or if there was an imbalance in the aquarium ecosystem. It's important to monitor water parameters and ensure proper maintenance to keep the fish healthy. **