1. Goldfish (Carassius auratus): Well-known aquarium fish that can adapt to a wide range of water temperatures.
2. Koi (Cyprinus carpio): Ornamental carp varieties known for their beautiful colors and patterns.
3. Salmon (Salmo salar): Anadromous fish that migrate from saltwater to freshwater for spawning.
4. Trout (Oncorhynchus spp.): Freshwater fish popular for recreational fishing and as a food source.
5. Tuna (Thunnus spp.): Large, fast-swimming pelagic fish, including species like Bluefin Tuna and Yellowfin Tuna.
6. Swordfish (Xiphias gladius): Distinguished by its sword-like bill, known for its agility and speed.
7. Catfish (Siluriformes): Diverse group of bottom-dwelling fish with barbels near their mouths.
8. Tilapia (Oreochromis spp.): Freshwater fish widely farmed for食用.
9. Cod (Gadus morhua): Important commercial fish found in cold northern waters.
10. Flounder (Platichthys spp.): Flatfish species that lie on the seafloor with one eye facing upwards.
11. Anglerfish (Lophius piscatorius): Deep-sea fish known for its bioluminescent lure to attract prey.
12. Seahorse (Hippocampus spp.): Unique creatures with intricate body shapes, often kept in aquariums.
13. Pufferfish (Tetraodontidae): Known for their ability to puff up when threatened.
14. Stingray (Dasyatidae): Cartilaginous fish with distinctive flat bodies and long tails.
15. Shark (Selachimorpha): Predatory fish with cartilaginous skeletons.
These are just a few examples of cold-blooded fish that inhabit various aquatic environments and display fascinating adaptations to their respective habitats.