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Barbeled Dragonfish

Dragon
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Barbeled Dragonfish Empty Barbeled Dragonfish

Post by Dragon Mon Mar 29, 2021 2:09 am

Stomiidae is a family of deep-sea ray-finned fish, including the barbeled dragonfishes.

They are quite small, usually around 15 cm, up to 26 cm.

These fish are apex predators and have enormous jaws filled with fang-like teeth.

They are also able to hinge the neurocranium and upper-jaw system, which leads to the opening of the jaw to more than 100 degrees.

This ability allows them to consume extremely large prey, often 50% greater than their standard length.

It is one of the many species of deep-sea fish that can produce their own light through a chemical process known as bioluminescence.

A special organ known as a photophore helps produce this light.

The deep-sea dragonfishes have large heads, and mouths equipped with many sharp fang-like teeth.

They have a long stringlike structure known as barbel, with a light-producing photophore at the tip, attached to their chin.

They also have photophores attached along the sides of their body.


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Post by Dragon Mon Mar 29, 2021 2:11 am

Barbeled Dragonfish Photostomias2
Credit: Una Smith

The deep-sea dragonfish waves its barbel back and forth and produces flashing lights on and off to attract prey and potential mates.

Many of the species they prey upon also produce light themselves, which is why they have evolved to have black stomach walls to keep the lights concealed while digesting their meal in order to stay hidden from their predators.


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Post by Dragon Mon Mar 29, 2021 2:14 am



The deep sea dragonfish or viper fish is an awesome looking creature from the middle depths of the ocean (this one comes from 600 metres or about 2000 feet deep).

Also called the scaleless dragonfish, they are ferocious predators, with extremely large teeth compared to their body size.

Unlike most other deep sea creatures which are sensitive to blue light - the dragonfish also produces a red light beam (see the organ to the rear of the eye) - it is also very sensitive to red light.

Although red light does not travel very far underwater it allows them to see when other animals cannot and to sneak up on their prey - especially shrimps that glow in the red light.


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Post by Dragon Mon Mar 29, 2021 2:15 am



Sir David Attenborough introduces us to the bioluminescent creatures inhabiting the pitch-black environments of California's Monterey Bay and the unique features of the deep sea dragon fish.


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