Both marlin and tuna live in the ocean and are fish in the class Osteichthyes, that is to say, they are both osteichthyes, and they also belong to the order Perciformes. However, the two are not the same fish, and they should not be confused because they have some similarities. In fact, the difference between the two is still relatively large, and they can be distinguished from many aspects.
1. Difference between families and genera: Although marlin and tuna belong to the same class of osteichthyes and Perciformes, they belong to different families and genera, which determines that they are two completely different fish. Specifically, marlin belongs to the swordfish family, while tuna belongs to the Scombridae family and tuna genus.
2, speed difference: Marlin and tuna are living in the ocean, their speed is relatively fast. However, the two are still faster than the speed of Marlin. The average speed of tuna is 60-80 kilometers per hour, while marlin is generally faster. The fastest speed recorded by a marlin is 190 kilometers per hour. Few other fish can beat their record.
3, nutritional value difference: Marlin and tuna are edible, but which contains different nutritional value. Compared with the two, tuna has higher nutritional value, which not only contains very rich protein, but also many other essential nutrients for human beings.
4, fin difference: from the appearance, the marlin fin will be more developed, but also some of the larger volume. In fact, marlin is "sailfish", the dorsal fin is very developed, they are also named because the dorsal fin is shaped like a sail.