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_17797
Hgig_17798PROTEIN CBG27172
Hgig_17799EXONUCLEASE, PHAGE-TYPE/RECB, C-TERMINAL DOMAIN-CONTAINING PROTEIN
Hgig_17800
Hgig_17801
Hgig_17802PROTEIN CBG27172
Hgig_17803
Hgig_17804GLUTATHIONE S-TRANSFERASE
Hgig_17805ZINC FINGER PROTEIN
Hgig_17806
Hgig_17807PR DOMAIN ZINC FINGER PROTEIN
Hgig_17808REVERSE TRANSCRIPTASE
Hgig_17809REVERSE TRANSCRIPTASE
Hgig_17810PROTEIN CBG27172
Hgig_17811
Hgig_17812
Hgig_17813ENDONUCLEASE
Hgig_17814CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_17815
Hgig_17816ZINC FINGER PROTEIN
Hgig_17817KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_17818
Hgig_17819
Hgig_17820
Hgig_17821
Hgig_17822
Hgig_17823
Hgig_17824ZINC FINGER PROTEIN
Hgig_17825
Hgig_17826
Hgig_17827
Hgig_17828
Hgig_17829
Hgig_17830
Hgig_17831B-CELL LYMPHOMA/LEUKEMIA 11
Hgig_17832
Hgig_17833
Hgig_17834
Hgig_17835ZINC FINGER PROTEIN
Hgig_17836
Hgig_17837LD33804P
Hgig_17838ENDONUCLEASE-RELATED
Hgig_17839KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_17840ZINC FINGER PROTEIN
Hgig_17841ZINC FINGER PROTEIN 200
Hgig_17842ALKALINE PHOSPHATASE
Hgig_17843ALKALINE PHOSPHATASE
Hgig_17844
Hgig_17845POL PROTEIN
Hgig_17846PROTEIN CBG27172
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