# Viperfish (*Chauliodus sloani*)

The Viperfish is a deep-sea predator with long, needle-like teeth and a glowing lure on its head to attract prey in the dark depths of the ocean.

- **Category:** [Fish](https://www.snappit.app/explore/categories/fish)
- **Rarity:** Rare
- **Danger:** 2/5 · Low
- **Habitat:** Deep Sea
- **Also known as:** Viper Fish, Viper Fish (Deep Sea)

![Viperfish](https://res.cloudinary.com/drieglelr/image/upload/v1771426523/objects/6496.jpg)

## Appearance

The Viperfish has a long, slender, dark metallic body covered in light-producing organs called photophores. Its most striking feature is its disproportionately large mouth filled with incredibly long, needle-sharp fangs.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Actinopterygii
- **Order:** Stomiiformes
- **Family:** Stomiidae
- **Genus:** Chauliodus

## Interesting facts

- Its huge fangs are so big, they curve \*outside\* its mouth even when closed!
- Some viperfish migrate hundreds of meters up and down the ocean daily.
- Their eyes are specially adapted to spot faint bioluminescent flashes in the dark.
- Viperfish have a tiny light organ on a fin ray that acts like a fishing lure!

## Special abilities

- **Lure Lights:** Viperfish can glow with built-in lights because of special organs called photophores that help them attract prey in the deep, dark ocean.
- **Giant Fangs:** Viperfish has extremely long, sharp fangs that help them trap and hold onto struggling prey, preventing escape in the pitch black.
- **Elastic Eater:** Viperfish can swallow prey larger than its head because of a hinged jaw and stretchy stomach, helping them eat big meals when they find them.
- **Pressure Proof:** Viperfish can live in extreme depths because of specialized adaptations that help them withstand immense ocean pressure.

## Measurements & details

- **Length:** 30-60 cm
- **Weight:** 0.1-0.5 kg
- **Lifespan:** 15-30 years
- **Swim Speed:** 3 km/h
- **Maximum Depth:** 2800 m
- **Water Type:** Saltwater

## Diet & Feeding

A fierce deep-sea hunter that eats other fish and small ocean creatures with its massive fangs.

- **Primary Foods:** Lanternfish, Small crustaceans, Hatchetfish, Bristlemouths
- **Foraging Method:** Ambush

## Ecological connections

- **Hunts:** [Lanternfish](https://www.snappit.app/explore/lanternfish) (*Myctophum punctatum*) — A primary food source in the deep sea.
- **Hunts:** Scaly Dragonfish (*Stomias boa*) — Preys on other smaller deep-sea fish.
- **Eaten by:** [Sperm Whale](https://www.snappit.app/explore/sperm-whale) (*Physeter macrocephalus*) — Occasionally eaten by these deep-diving predators.
- **Eaten by:** [Swordfish](https://www.snappit.app/explore/swordfish) (*Xiphias gladius*) — Larger fish like swordfish can prey on them.

## Traits

- [Piscivorous](https://www.snappit.app/explore/traits/piscivorous): Piscivorous organisms are animals that primarily subsist on a diet of fish.
- [Ambush Predator](https://www.snappit.app/explore/traits/ambush-predator): An ambush predator hunts by patiently waiting and concealing itself, then launching a sudden attack when unsuspecting prey comes within range.
- [Ancient Lineage](https://www.snappit.app/explore/traits/ancient-lineage): This trait signifies organisms belonging to a very old evolutionary group with ancestors dating back millions of years.
- [Deep Sea](https://www.snappit.app/explore/traits/deep-sea): Deep sea habitats are characterized by extreme pressure, darkness, and cold temperatures, supporting unique life forms below the sunlit zone.
- [Longevous](https://www.snappit.app/explore/traits/longevous): This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind.
- [Aquatic](https://www.snappit.app/explore/traits/aquatic): Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands.
- [Glowing](https://www.snappit.app/explore/traits/glowing): Pertaining to organisms that emit light through bioluminescence or fluorescence.
- [Nocturnal](https://www.snappit.app/explore/traits/nocturnal): Nocturnal animals are primarily active during the nighttime hours, typically resting or sleeping during the day.
- [Venomous](https://www.snappit.app/explore/traits/venomous): Venomous organisms produce toxins that are injected into another animal, typically through a bite or sting.

## Collections

- [Fish](https://www.snappit.app/explore/collections/fish)

## Safety

**Danger:** 2/5 · Low

Viperfish live in the deep sea and are not encountered by people. They are not dangerous to humans.

## Frequently Asked Questions

### How to identify Viperfish?

Look at body shape, where the fins sit and their outline, mouth position, stripes and spots. Young fish and breeding adults can wear different patterns, and aquarium color varieties can look nothing like wild fish. Fish Identifier: upload a photo and compare the visible details.

### How long is Viperfish?

30-60 cm

### How much does Viperfish weigh?

0.1-0.5 kg

### How long does Viperfish live?

15-30 years

### What does Viperfish eat?

A fierce deep-sea hunter that eats other fish and small ocean creatures with its massive fangs.

### How fast can Viperfish swim?

3 km/h

### Where is Viperfish usually found?

Deep Sea

### How does Viperfish hunt?

Ambush

## More Fish

- [Rainbow Trout](https://www.snappit.app/explore/rainbow-trout) (*Oncorhynchus mykiss*)
- [Brown Trout](https://www.snappit.app/explore/brown-trout) (*Salmo trutta*)
- [Brook Trout](https://www.snappit.app/explore/brook-trout) (*Salvelinus fontinalis*)
- [Lake Trout](https://www.snappit.app/explore/lake-trout) (*Salvelinus namaycush*)

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Source: [Viperfish: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/viperfish)
