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_00746
Hgig_00747ZINC FINGER PROTEIN
Hgig_00748PROTEIN CBG27172
Hgig_00749
Hgig_00750ZINC FINGER PROTEIN
Hgig_00751REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_00752
Hgig_00753
Hgig_00754BEAT PROTEIN
Hgig_00755NIEMANN PICK TYPE C2 PROTEIN NPC2-RELATED
Hgig_00756
Hgig_00757IP06524P-RELATED
Hgig_00758
Hgig_00759
Hgig_00760ARMET-LIKE PROTEIN
Hgig_00761PROTEIN CBG27172
Hgig_00762
Hgig_00763SERINE/ARGININE REGULATED NUCLEAR MATRIX PROTEIN
Hgig_00764
Hgig_00765
Hgig_0076630S/40S RIBOSOMAL PROTEIN S3
Hgig_00767
Hgig_00768TGF-BETA FAMILY
Hgig_00769URACIL-DNA GLYCOSYLASE
Hgig_00770
Hgig_00771
Hgig_00772
Hgig_00773
Hgig_00774REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_00775
Hgig_00776
Hgig_00777
Hgig_00778
Hgig_00779RIKEN CDNA D130052B06 GENE
Hgig_00780
Hgig_00781
Hgig_00782
Hgig_00783
Hgig_00784SIDESTEP PROTEIN
Hgig_00785
Hgig_00786SIDESTEP PROTEIN
Hgig_00787
Hgig_00788PHOSPHATIDYLINOSITOL KINASE
Hgig_00789PROHIBITIN
Hgig_00790
Hgig_00791
Hgig_00792
Hgig_00793MITOTIC SPINDLE ASSEMBLY CHECKPOINT PROTEIN MAD2
Hgig_00794REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_00795CHITINASE
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