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_27599TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27600
Hgig_27601TRANSPOSABLE ELEMENT-RELATED
Hgig_27602ZINC FINGER PROTEIN
Hgig_27603SI:DKEY-192D15.2-RELATED
Hgig_27604
Hgig_27605
Hgig_27606-
Hgig_27607ZINC FINGER PROTEIN
Hgig_27608TRANSPOSABLE ELEMENT-RELATED
Hgig_27609
Hgig_27610ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27611ZINC FINGER PROTEIN
Hgig_27612TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27613REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27614ENDONUCLEASE-RELATED
Hgig_27615POL PROTEIN
Hgig_27616COLLAGEN ALPHA
Hgig_27617
Hgig_27618
Hgig_27619ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27620
Hgig_27621
Hgig_27622
Hgig_27623
Hgig_27624ZINC FINGER PROTEIN
Hgig_27625
Hgig_27626HSC70CB, ISOFORM G-RELATED
Hgig_27627REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27628ZINC FINGER PROTEIN
Hgig_27629PROTEIN CBG27172
Hgig_27630TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27631
Hgig_27632
Hgig_27633REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27634
Hgig_27635
Hgig_27636ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27637REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27638
Hgig_27639ZINC FINGER PROTEIN
Hgig_27640REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27641
Hgig_27642PROTEIN CBG27172
Hgig_27643
Hgig_27644
Hgig_27645ZINC FINGER PROTEIN
Hgig_27646
Hgig_27647ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27648PROTEIN CBG27172
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