Make sure your auger blades are sharp and don't forget about your shelter or fish house license.
确保你的俄歇刀片是夏普和不要忘记你的住房或鱼府执照。
2
Sure. They can be stuck in the gravel. They make the tank more beautiful and provide food and shelter for the fish.
当然要。它们可以在碎石里盘生、美化水箱并为鱼类提供食物和遮蔽。
3
These deep sea ecosystems provide shelter, spawning and breeding areas for fish and other creatures, as well as protection from strong currents and predators.