About Hirondellea gigas

Hirondellea gigas is a species of amphipod crustacean found in the hadal zone of the Pacific Ocean, particularly in the Mariana Trench. It is adapted to extreme deep-sea environments, living at depths exceeding 10,000 meters where pressures are immense and temperatures are near freezing. This species feeds on organic matter that sinks to the ocean floor, playing a crucial role in the deep-sea ecosystem as a scavenger. Its unique adaptations, such as a lightweight exoskeleton and specialized enzymes, allow it to survive and thrive in one of the most extreme habitats on Earth.


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Hirondellea gigasArthropoda-Deep sea6,800-11,000Mariana Trench in the northwestern Pacific Ocean1518452

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completenessGene Number
-13.92GbChromosome2025CNA0142381-CNP000537489.34%27,881

References
TitleJournalPubmed ID
The amphipod genome reveals population dynamics and adaptations to hadal environmentCell40054448

Gene Information

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Gene IDDescription
Hgig_07546MERLIN/MOESIN/EZRIN/RADIXIN
Hgig_07547BUCENTAUR RELATED
Hgig_07548
Hgig_07549TRANSPOSABLE ELEMENT-RELATED
Hgig_07550UNCHARACTERIZED
Hgig_07551
Hgig_07552UNCHARACTERIZED
Hgig_07553
Hgig_07554
Hgig_07555
Hgig_07556
Hgig_0755760S ACIDIC RIBOSOMAL PROTEIN P0
Hgig_07558PROTEIN CBG26694
Hgig_07559PHOSPHOLIPASE A-2-ACTIVATING PROTEIN
Hgig_07560PROTEIN CBG26694
Hgig_07561
Hgig_07562
Hgig_07563
Hgig_07564
Hgig_07565
Hgig_07566PHOSPHOTRANSFERASE SYSTEM TRANSPORT PROTEIN
Hgig_07567ENDONUCLEASE-RELATED
Hgig_07568POL PROTEIN
Hgig_07569
Hgig_07570
Hgig_07571
Hgig_07572
Hgig_07573
Hgig_07574
Hgig_07575
Hgig_07576
Hgig_07577ATAXIA TELANGIECTASIA MUTATED ATM -RELATED
Hgig_07578
Hgig_07579REVERSE TRANSCRIPTASES
Hgig_07580
Hgig_07581REGULATORY-ASSOCIATED PROTEIN OF MTOR
Hgig_07582SUCCINATE DEHYDROGENASE 2 FLAVOPROTEIN SUBUNIT
Hgig_07583REGULATORY-ASSOCIATED PROTEIN OF MTOR
Hgig_07584CARBOXYPEPTIDASE REGULATORY REGION-CONTAINING
Hgig_07585CARBOXYPEPTIDASE REGULATORY REGION-CONTAINING
Hgig_07586TETRASPANIN
Hgig_07587REGULATORY-ASSOCIATED PROTEIN OF MTOR
Hgig_07588TUBULIN
Hgig_07589UNCHARACTERIZED
Hgig_07590UNCHARACTERIZED
Hgig_07591
Hgig_07592POTASSIUM CHANNEL, SUBFAMILY K
Hgig_07593REVERSE TRANSCRIPTASE
Hgig_07594
Hgig_07595POTASSIUM CHANNEL, SUBFAMILY K
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