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_18397
Hgig_18398FI18240P1-RELATED
Hgig_18399POLYSERASE-RELATED
Hgig_18400TWISTED GASTRULATION PROTEIN HOMOLOG 1-A-RELATED
Hgig_18401CARBONIC ANHYDRASE
Hgig_18402PROTEIN CBG27172
Hgig_18403
Hgig_18404SIT4 YEAST -ASSOCIATING PROTEIN-RELATED
Hgig_18405TGF-BETA FAMILY
Hgig_18406HISTONE ACETYLTRANSFERASE
Hgig_18407
Hgig_18408PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT
Hgig_18409GH10160P
Hgig_18410
Hgig_18411
Hgig_18412
Hgig_1841339S RIBOSOMAL PROTEIN L55, MITOCHONDRIAL
Hgig_18414UNCHARACTERIZED
Hgig_18415
Hgig_18416ACYLPYRUVASE
Hgig_18417REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_18418ACYLPYRUVASE
Hgig_18419
Hgig_18420CONDENSIN COMPLEX SUBUNIT 2
Hgig_18421ZINC FINGER PROTEIN 183
Hgig_18422
Hgig_18423NEUROLIGIN
Hgig_18424
Hgig_18425FOLLISTATIN-RELATED
Hgig_18426
Hgig_18427REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_18428GLR0591 PROTEIN
Hgig_18429
Hgig_18430
Hgig_18431
Hgig_18432IONOTROPIC RECEPTOR 20A-RELATED
Hgig_18433PROTEIN CBG26694
Hgig_18434
Hgig_18435
Hgig_18436DEHYDROGENASE/REDUCTASE SDR FAMILY MEMBER 7B
Hgig_18437
Hgig_18438
Hgig_18439
Hgig_18440LIPOYL SYNTHASE
Hgig_18441HEDGEHOG
Hgig_18442GLYCOSYLTRANSFERASE
Hgig_18443
Hgig_18444
Hgig_18445INSULINOMA-ASSOCIATED 1
Hgig_18446
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