Usually, when most people think of fish, they do not think of intelligence.
For centuries, people have always seen fish as creatures of instinct, members of a simple animal flock that swim, eat, and dodge predators without much thought.
Yet, recent studies have revealed some rather amazing things about some fish; some fish are much smarter than many people think.
These underwater thinkers are solving problems, recognizing themselves in mirrors, and remaking what we perhaps know about aquatic life.
Today, modern anglers and marine biologists are conscious of what fish do, and the Fishbox App has become an essential tool in learning how fish move, react, and flourish.
Originally intended to locate hot spots and track fish activity, Fishbox also reveals more about fish behavior patterns, a few of which are pointed toward intelligence.
The next time you pull up the Fishbox App to plan your next fishing trip, take a minute to appreciate how smart these fish might be.
So here are the top 5 smartest fish in the world from the wild that will probably blow your mind with their cognitive intelligence.
1. Manta Ray
Although Manta rays are referred to as the gentle giants of the sea, they are also very smart.
Manta rays have the biggest brain-to-body ratio among any fish as they have demonstrated behaviors in line with self-awareness and advanced cognition.
One of the most exciting things is that they can see themselves in mirrors, which is only done by a few non-human animals: dolphins, elephants, and great apes.
In one series of studies, manta rays performed repetitive fin movements and examined actions such as their reflection actions that suggest self-recognition.
That’s why they add to their complex social behavior and long-term memory, and the researchers would not hesitate to compare them to dolphins when we speak of cognitive ability.
Fun Fact: We have seen social order and patience in the form of manta rays queuing up to be cleaned by the other fish.
2. Cichlids
Cichlids are a large group of diverse fishes occurring in fresh water and brackish waters and stars of animal behavior studies.
Cichlids are known for their vivid colors, and sometimes dynamic behaviors, and surprisingly, cichlids are also known to be intelligent. However, one of their unique traits is advanced parental care.
One species guards eggs and fry with the devotion more often encountered in mammals and birds than in fish.
Some even have their young carried in their mouths, taking care of them with many fishy family values! Problem-solving and social learning are also present in Cichlids.
They have been known to learn new behaviors, having watched other fish in laboratory settings.
They are a favorite among scientists researching fish cognition because of their versatility in the changing environment and their ability to learn through observation.
In the wild, these traits help them through the animals that make their homes, African rift lakes, and home aquariums.
3. Cleaner Wrasse
The tiny cleaner wrasse is a misnomer: this little fish has a brain full of surprises.
Cleaner wrasses are well known for setting up “cleaning stations” where other larger fish come to have parasites removed, and cleaners live in highly social environments that also show sophisticated social intelligence.
They also are one of the few fish to pass the mirror test and, most markedly, the cleaner waste.
In other words, they tried to remove marks from their bodies placed on their reflection, proving that they could understand that the reflection was of themselves.
They are also known to engage in deceitful behaviors.
For example, some cleaner wrasses will ‘cheat’ and bite their clients, rather than cleaning them.
They remember which fish they’ve cheated on in the past and adjust their behavior to avoid punishment or future loss of customers.
No one could have expected such a small fish to be so good at mind games.
4. Elephantnose Fish
It is a wonder of evolution: the elephantnose fish.
This peculiar species, native to the murky waters of Africa, uses electric signals to navigate, communicate, and locate prey.
It’s nature’s way of sonar. What makes the elephantnose fish so special is that its brain mass about its body also happens to be extremely high, comparable to humans and dolphins.
Instead, it uses its electric sense to ‘see’ inconsistent vision, and muddy environments.
It doesn’t just sail through; the fish doesn’t figure out how to get to the place; it remembers environments, figures out how to solve problems of navigating the place, and shows signs of decision-making under stress.
The complex brain structures they have, scientists believe, support spatial awareness and memory similar to those of mammals.
Brains are for land animals, right? Well, think again next time about this electric-powered genius swimming in Africa’s rivers.
5. Archerfish
Archerfish are small tropical fish, but what is estimated to be the most accurate fish in the wild is that they are able to place their bullets in small spaces.
The way these fish spit jets of water at insects clinging to overhanging branches, just likely to be knocked off, is a remarkable performance and uses perfect aim, perfect timing, and perfect calculation.
What’s even more impressive is that Archerfish’s aim is learned through trial and error, which is refined with practice.
At least they can compensate for light refraction in water and, in effect, do geometry in their head to strike accurately above the surface.
Archerfish are incredible — studies have found that they can recognize human faces, which used to be thought of solely as a trait of mammals and birds.
This discovery struck scientists and shows again that archerfish are an order of one trick sharpshooters.
Young archerfish mimic the strategies of older and more accurate fish in a way that indicates social learning is involved in the development of the skill.
Conclusion
Most people immediately turn to primates, dolphins, or birds when we think of the animal kingdom being intelligent.
However, as these five mind-blowing fish prove, intelligence does not have to make itself known in typical places in the underwater world.
Yet, each of these unusual fish stands far apart from the assumption that fish are dull wits that tend to mirage in their reflection and shoot eggs at an unsuspecting predator.
Thanks in part to the advancements in technology, the Fishbox App, among other things, anglers and nature lovers alike can now observe, learn from, and appreciate fish behavior that has never been before.
Fishbox is for discovering seasonal patterns, but also for finding new hotspots, and the creatures use Fishbox not just to learn about themselves and their friends but also to adapt and learn to avoid you.
Don’t just cast your line; think about the bait the next time you do. Imagine who it is thinking here. A fish may outwit you.
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