| Aristostomias | |
|---|---|
 | |
| Freshly caught Aristostomias sp. | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Stomiiformes |
| Family: | Stomiidae |
| Subfamily: | Malacosteinae |
| Genus: | Aristostomias Zugmayer, 1913 |
| Type species | |
| Aristostomias grimaldii Zugmayer, 1913 | |
| Synonyms | |
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Aristostomias is a genus of barbeled dragonfishes native to the ocean depths in the Pacific, Atlantic and Indian oceans. [1]
Similar to other deep-sea organisms that are capable of producing red light bioluminescence, including Pachystomias , Aristostomias has large suborbital photophores that produce red-shifted cold light. [2] In addition, Aristostomias has postorbital photophores that emit blue-green light. [3]
Most meso- and bathypelagic fish are only able to see shortwave light, as their retinae possess rods with rhodopsins sensitive to blue light. [4] Aristostomias is able to detect red-shifted light, as their retinae have long-wave absorbing rhodopsins and porphyropsins that can detect wavelengths of up to 590 nm. [5] Aristostomias can detect red light at distances of up to 2 meters, suggesting that detection is used primarily for close-range intraspecific communication and short-range prey detection. [6]
There are currently six recognized species in this genus: [1]
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