Fauna
Species · GBIF taxon 2414349

Illuminated Netdevil

Linophryne arborifera

Also known as Bearded Seadevil

Females navigate the pitch-black bathypelagic zone equipped with an elaborate, tree-like chin barbel that glows with intrinsic photophores alongside a bioluminescent head lure populated by symbiotic bacteria. Dwarf males possess extraordinarily sensitive olfactory organs and large eyes specifically tuned to detect female pheromones and light signals in the abyss. Once a male locates a mate, he bites into her flesh and permanently fuses his circulatory system to hers, losing his internal organs to live solely as an attached sperm donor.

Deep SeaBioluminescentCarnivorous
Illuminated Netdevil reference
Licensed reference(c) Tambja, some rights reserved (CC BY-SA) · cc-by-sa
—observations
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & prey
  • Bristlemouth fishes
  • Lanternfishes
  • Bathypelagic shrimps
Predators
  • Deep-diving toothed whales
  • Sleeper sharks
  • Large predatory deep-sea squids
ThreatsOcean warming, deep-sea mining exploration, and microplastic pollution
HabitatsTropical and subtropical open ocean waters in the bathypelagic zone, typically 1,000 to 4,000 meters deep
Life span10–25 years for fused females; unfused males survive only a few months
Classification
  1. FamilyLinophrynidae
  2. SpeciesLinophryne arborifera
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Lives thousands of meters beneath the surface and poses no danger to humans.
Responsible observation
  • Remote Observation: Encounter this creature exclusively via scientific deep-sea submersibles or remotely operated deep-sea cameras.
  • Museum Specimens: Examine fluid-preserved biological collections at natural history museums to view the branching chin barbel up close.
Related species
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