Yes, fish are animals. They belong to the kingdom Animalia and are classified as aquatic vertebrates, meaning they have backbones and live in water. Fish are cold-blooded, breathe through gills, and typically have fins for movement. They form a diverse group, ranging from tiny guppies to massive whale sharks, and are found in both freshwater and saltwater environments. Fish play essential roles in ecosystems as predators, prey, and contributors to nutrient cycles. So, while they may not resemble land animals like mammals or birds, fish are undeniably part of the animal kingdom, contributing to its incredible diversity.