← Back to the archive★ Support my pages
DD-426NatureFiled Last updated

From the Depths

Short answer: The viper dogfish (Trigonognathus kabeyai) is a small, rarely seen deep-sea shark of the Pacific, recorded off Japan and Hawaii. It has long, fang-like teeth and jaws that can shoot far forward to grab fish and crustaceans.

It migrates toward shallower water at night to feed. The footage shows a viper dogfish thrusting its jaws.

VideoWrite-up1 sources
More like this★ Support my pagesCite this file

What should you know about From the Depths?

Quick facts. Each one stands alone and has a stable ID you can cite.

  1. Trigonognathus kabeyai.

    DD-426-F01 · Write-up · Exhibit A (Species)

  2. Off Japan and Hawaii.

    DD-426-F02 · Write-up · Exhibit B (Range)

Video transcript: From the Depths: The Viper Dogfish Can Throw Its Jaws Forward to Snag Prey

Did you know the viper shark, also known as Trigonognathus kabeyai, is a rare and little-known deep sea species found in the Pacific Ocean, particularly near Japan, Taiwan, and Hawaii. Named for its menacing fang-like teeth, the viper shark uses its extendable jaws to capture prey in the dark depths of the ocean, often ambushing small fish and squid. NOW YOU KNOW!

Burned-in captions, read frame by frame (see transcript.md) · 19.5s Reel ·

Video coming soonFrom the Depths · Instagram Reel
From the Depths: The Viper Dogfish Can Throw Its Jaws Forward to Snag Prey Instagram Reel · · 19.5s

The write-up

The viper dogfish can throw its jaws forward to snag prey. It hunts in the deep Pacific.

  1. Exhibit A

    Species

    Trigonognathus kabeyai.

  2. Exhibit B

    Range

    Off Japan and Hawaii.

  3. Exhibit C

    Teeth

    Fang-like.

  4. Exhibit D

    Jaws

    Protrusible.

  5. Exhibit E

    Night

    Rises at night.

Questions people ask about From the Depths

What is special about its jaws?

Protrusible.

Source: Write-up · Exhibit A (Species) · Wikipedia: Viper dogfish

Where does it live?

Deep sea.

Source: Write-up · Exhibit B (Range) · Wikipedia: Viper dogfish

Recorded off?

Pacific.

Source: Write-up · Exhibit C (Teeth) · Wikipedia: Viper dogfish

What do its teeth look like?

Viper.

Source: Write-up · Exhibit D (Jaws) · Wikipedia: Viper dogfish

When does it rise?

Feeding.

Source: Write-up · Exhibit E (Night) · Wikipedia: Viper dogfish

Test Your Knowledge

All quizzes →

5 questions, all from this case file. Answers are revealed instantly.

  1. What is special about its jaws?

    1. They shoot forward
    2. They are absent
    3. They glow
    4. They are toothless
    Show the answer

    Answer: A. They shoot forward Protrusible. Source: Write-up · Exhibit A (Species) · Wikipedia: Viper dogfish

  2. Where does it live?

    1. Deep Pacific
    2. Freshwater lakes
    3. Arctic ice
    4. Coral shallows only
    Show the answer

    Answer: A. Deep Pacific Deep sea. Source: Write-up · Exhibit B (Range) · Wikipedia: Viper dogfish

  3. Recorded off?

    1. Japan and Hawaii
    2. Iceland
    3. Brazil
    4. Egypt
    Show the answer

    Answer: A. Japan and Hawaii Pacific. Source: Write-up · Exhibit C (Teeth) · Wikipedia: Viper dogfish

  4. What do its teeth look like?

    1. Fangs
    2. Plates
    3. Combs
    4. Beaks
    Show the answer

    Answer: A. Fangs Viper. Source: Write-up · Exhibit D (Jaws) · Wikipedia: Viper dogfish

  5. When does it rise?

    1. At night
    2. At noon
    3. Never
    4. In winter only
    Show the answer

    Answer: A. At night Feeding. Source: Write-up · Exhibit E (Night) · Wikipedia: Viper dogfish

Cite this case file

Easterling, Marcus. "From the Depths." The Detail Department (DetailEnjoyer), case file DD-426, last updated Dec 15, 2024. https://detailenjoyer.com/case/from-the-depths/

Permalink: https://detailenjoyer.com/case/from-the-depths/ · Last updated

Markdown version

Cite a single fact by its ID, for example DD-426-F01 → https://detailenjoyer.com/case/from-the-depths/#DD-426-F01