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_0154626S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 4
Hgig_01547
Hgig_01548
Hgig_01549
Hgig_01550
Hgig_01551
Hgig_01552
Hgig_01553FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_01554TRANSCRIPTION FACTOR SPT20 HOMOLOG
Hgig_01555
Hgig_01556RAPSYN-RELATED
Hgig_01557VACUOLAR PROTEIN SORTING 54
Hgig_01558
Hgig_01559
Hgig_01560PROTEIN CBG27172
Hgig_01561PROTEIN LIN1
Hgig_01562VACUOLAR PROTEIN SORTING 54
Hgig_01563SOLUTE CARRIER FAMILY 13 MEMBER
Hgig_01564HYPOXIA-INDUCIBLE FACTOR 1 ALPHA INHIBITOR-RELATED
Hgig_01565ADH DEHYDROGENASE [UBIQUINONE] 1 ALPHA SUBCOMPLEX ASSEMBLY FACTOR 2
Hgig_01566
Hgig_01567
Hgig_01568
Hgig_01569
Hgig_01570
Hgig_01571TRANSAMIDASE
Hgig_01572GLUTATHIONE S TRANSFERASE D10, ISOFORM A-RELATED
Hgig_01573SHORT-CHAIN DEHYDROGENASE/REDUCTASE FAMILY 9C
Hgig_01574UNCHARACTERIZED
Hgig_01575TRANSMEMBRANE PROTEIN 33
Hgig_01576ZINC FINGER CCHC DOMAIN-CONTAINING
Hgig_01577INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED
Hgig_01578ELECTRON TRANSPORT OXIDOREDUCTASE
Hgig_01579
Hgig_01580DDE_TNP_1_7 DOMAIN-CONTAINING PROTEIN
Hgig_01581SOLUTE CARRIER FAMILY 13 MEMBER
Hgig_01582COPINE
Hgig_01583
Hgig_01584
Hgig_01585PROTEIN PHOSPATASE 3 REGULATORY SUBUNIT B ALPHA ISOFORM TYPE 1
Hgig_01586DUAL SPECIFICITY PROTEIN KINASE
Hgig_01587DUAL SPECIFICITY PROTEIN KINASE
Hgig_01588PROTEIN PHOSPATASE 3 REGULATORY SUBUNIT B ALPHA ISOFORM TYPE 1
Hgig_01589
Hgig_01590
Hgig_01591
Hgig_01592
Hgig_01593TARGET OF RAPAMYCIN COMPLEX 2 SUBUNIT MAPKAP1
Hgig_01594
Hgig_01595
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