While keeping aquarium fish needs a lot of effort, it’s a deeply rewarding experience. However, not all fish are suitable for keeping in tanks– while they are sold as juveniles that are only a few cms in size, some fish species are known to grow huge in size over time. And so, such fish need far more space than most tanks can provide. These giant fish are stunning to look at but come with special care needs, huge appetites, and unique behaviours that make them unsuitable for beginners. Here we list some such freshwater fishes:
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