Saltwater Fish: Cold-Blooded or Warm-Blooded? Explore Their Temperature Adaptations
Most saltwater fish are cold-blooded, so their body temperature matches the surrounding water. However, the opah is an example of a warm-blooded fish. Warm-blooded fish, like tuna and billfish, can regulate their body temperature, allowing them to swim faster in colder environments. NOAA studies these species for their unique adaptations. Some saltwater species, like tuna … Read more



