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_27699
Hgig_27700
Hgig_27701COMPLEMENT COMPONENT C6
Hgig_27702REVERSE TRANSCRIPTASE
Hgig_27703
Hgig_27704
Hgig_27705
Hgig_27706AGAP004733-PA
Hgig_27707LD33804P
Hgig_27708ZINC FINGER PROTEIN
Hgig_27709ZINC FINGER PROTEIN
Hgig_27710
Hgig_27711EXODEOXYRIBONUCLEASE III
Hgig_27712
Hgig_27713REVERSE TRANSCRIPTASES
Hgig_27714
Hgig_27715ZINC FINGER AND SCAN DOMAIN-CONTAINING
Hgig_27716ZINC FINGER PROTEIN
Hgig_27717PROTEIN CBG26694
Hgig_27718-
Hgig_27719REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27720
Hgig_27721
Hgig_27722ZINC FINGER PROTEIN
Hgig_27723PROTEIN CBG27172
Hgig_27724
Hgig_27725
Hgig_27726LD33804P
Hgig_27727ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27728ZINC FINGER PROTEIN
Hgig_27729
Hgig_27730ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27731PROTEIN CBG26694
Hgig_27732ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27733ZINC FINGER PROTEIN
Hgig_27734
Hgig_27735PROTEIN CBG26694
Hgig_27736ZINC FINGER PROTEIN
Hgig_27737
Hgig_27738KELCH PROTEIN
Hgig_27739ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27740REVERSE TRANSCRIPTASE
Hgig_27741
Hgig_27742
Hgig_27743HEAT SHOCK PROTEIN 70KDA
Hgig_27744
Hgig_27745
Hgig_27746TRANSPOSABLE ELEMENT-RELATED
Hgig_27747REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27748CXC DOMAIN-CONTAINING PROTEIN-RELATED
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