If people hadn't captured the picture of the trevally jumping out of the water to eat fish, many people would not have believed that a swimming fish could drag a bird flying in the water into the water and swallow, after all, this is too unreasonable, and too similar to the movie plot, and when it does happen, people will naturally turn their eyes to the jaw-dropping fish.
Shēn is also known as giant trevally, in fact, from a single word "giant", people can vaguely perceive that they can catch birds and eat birds, which is largely related to body size.
Indeed, as a large pelagic fish, the rare trevally is large and swims fast, and is known as the "beast" in the water.
According to records, the largest known trevally has a body length of 1.7 meters, weighs 80 kilograms, and can reach a top speed of more than 60 kilometers per hour.
Even if you don't look at the "best", the average length of adult trevally is 1 meter, the weight is 30 pounds, and this fish is very adaptable, and they can be found in various marine environments such as estuaries, shoals, bays or lagoons.
What an animal eats has to be answered in their stomachs.
So far, humans have found undigested fish, crustaceans, cephalopods, mollusks in the stomachs of rare trevally, and even small turtles, small dolphins, blacktip reef sharks, and of course, the remains of seabirds mentioned at the beginning of the article.
Let's start with the common foraging pattern of the trevally.
Since the trevally is in the ocean, it is daily to prey on aquatic creatures, but even daily we must pay attention to skills. Adult trevally are "loners", and fish only come together during the breeding season, so hunting prey by one's own strength is a means of livelihood that every individual needs to master. Faced with smaller prey, the trevally hunt without stress, relying on their large eyes and large mouth to be able to eat whatever they want.
If the trevally targets a larger animal, their predation will also be cautious, such as in the face of the blacktip reef shark, the trevally will use the head impact to attack in order to stun the opponent.
In addition, the trevally are also very good at using other animals, such as they will follow the predatory monk seals to swim, and then either sit directly and enjoy them, or snatch food from the seals.
Let's look at the advanced hunting techniques of the rare trevally.
For fish, of course, catching birds is not an easy task, even if it is a rare trevally, it can only be done occasionally. The most talked about bird fishing incident of rare trevalls today only occurs on the coast of seychelles in the Indian Ocean, and the habitat of rare trevalls in the Pacific and Atlantic Oceans has not been found so far. So before we start talking about the rare trevally bird hunt, we must be clear that this is not common, and if the rare trevally wants to catch the bird, it must meet the two premises of the bird flying low enough and the fish jumping high enough.
Back to the point, before the rare trevally catches the bird, it is bound to go through a period of "tracking", they will follow the flocks of terns or other seabirds, and target the young birds who are still in the stage of learning to fly, once these young birds are too close to the water, the rare trevally has an opportunity to take advantage of it, they accelerate to swim and jump out of the water at the right time, and in a blink of an eye, they catch the bird in mid-air.
The "jump" action can be completed because the muscle strength of the rare trevally is very strong, and the speed is increased to about 60 kilometers per hour through the swing of the body, and reaches a height of 1.8 meters to 2 meters when jumping.
In fact, the trevally once made humans fearful, but in general, it did not actively attack humans. However, according to records, a fisherman in Hawaii once broke three ribs by a rare trevally while fishing with a spear.
In addition, fishing enthusiasts who are keen on fishing for rare trevalls must not only be prepared for the fishing line fishing rod to be torn off by the hooked rare trevally before fishing, but also use special nets and fishing lines, so it is conceivable that the strength and ability of the rare trevally are great.
Speaking of which, some people may ask, since someone specializes in fishing for rare trevally, can they be eaten when caught?
The answer may be disappointing, it is said that the crucian not only has a poor taste, but also can cause ciguatera toxin poisoning, knowing that this toxin is dozens of times stronger than tetrodotoxin, no one should want to try. As for the fish that are caught, most of them will be put back into the water, so in the face of the rare trevally, the angler just wants to enjoy the fun of competing with the "beast" in the water.