Fangtooth Fish – How does the Fangtooth Fish Survive?

(Last Updated On: April 12, 2021)

Fangtooth fish looks horrible in its appearance. They are very dangerous to some other tiny species. As per wikipedia, fangtooths are one of the barefacer fishes of the Anoplagastrididae family (which is sometimes also spelled as Annoplagastaridae) living in the deep seas. The family consists of only two species belonging to one genus, with no adjacent species.

Common Fangtooth fish

Common Fangtooth fish

Fangtooth Fish Description

Although understandably named for their unnecessarily large, fang-like teeth and unacceptable sights, the fangtooths are actually quite small and not harmful to humans: the larger, common fangtooths of the two species reach a maximum length of 16 cm (6.3 in); Shorthorn Fangtooth is less than half this size but is currently only known from juvenile specimens.

The head appears small and haggard with a wide jaw, sprinkled with mucus cavities as described by the donor-edged ends, and covered with skin. Eyes relatively small, high above the head.

The entire head is black to a brownish brown and compresses laterally, deep anteriorly, and progressively thinner toward the tail. The wings are short, slender, and spineless.

The scales are embedded in the skin and take the form of thin plates. As compensation for the reduced eye, the lateral line is well developed and appears as an open notch along the edges.

Fangtooth Fish Characteristics that Have Helped It Survive

Fangtooth Fish Characteristics that Have Helped It Survive

In an adult fangtooth fish, the largest two fangs of the lower jaws are so long, that a pair of opposing sockets were developed on both sides of the brain to accommodate teeth when the mouth was closed.

According to the BBC’s Blue Planet, episode “The Deep,” the largest teeth of any fish in the ocean are proportional to the size of the body and are so large they can never close their mouths.

Adolescents are morphologically different – they have a long spine on the head and preporiculum than the older ones, with larger eyes, a functioning gas bladder, longer and slender gill racers, much shorter and darker toothed, and are light gray. These differences are at once divided into two life-course distinct species, one with the other; Caulolepis.

On the palm

On the palm


Fangtooth fish is one of the longest living fishes in the world. One species, Pelagic fangtooth fishes are found under about 5000 meters (16,000 feet) below sea level.

Fangtooth fish is on average seen under 200 to 2,000 meters (660 to 6,560 feet) under seawater. Adolescent fangtooth fish apparently remains within the upper part of the range in the seawater.

Like much deep-sea fish, these are usually translucent: during the day these fish are in the depths of darkness, and in the evening they rise to the upper layers of the column of water to be fed by the strait and return to deep water during the day.

Fangtooths can build small schools or go it alone. They are thought to use contact chemoreception to find victims, depending on luck, to push them into something edible.

A rein of horror

A rein of horror

Adolescents’ short teeth and long jill racers suggest that they feed primarily on the water by filtering zooplankton, while deep-living adults target other fish and squid.

Fangtooths’ sized teeth and mouths are a common feature among small beasts of the deep (cf. VPFerishes, Daggeroths, Brislemoths, Barracudinas, Angrafishes), where some of these mouths (even though they are larger) are definitely a possible food. Should be considered as.

However, these horrible fangtooths are also come under the predators and being hunted by some gigantic pelagic fish stay silently under the sea, such as tuna and marlin and some species of sharks, that wait for the prey for their survival. Here is the interesting food chain of the ecosystem.

It is obvious, fangtooth species are vastly recognized to be stronger than many other deep-ocean fish species; These have survived for months in aquariums, despite conditions that are significantly different from their usual deep-sea habitats.




Fangtooths contain planktonic larvae and are assumed to be not egg-protectors; Spanning frequency and time are not specific, but some activities have been published from June-August.

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Adult fangtooth fish starts to take the adult form when they turn about 8 cm (3.1 in) in length, at the time they start to swim in deep seawater. The onset of maturity is not known, but common fangtooths are known to be 16 cm (6.3 in) mature. They are probably growing slowly like most deep-sea fish


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