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_17947ZINC FINGER PROTEIN
Hgig_17948
Hgig_17949TRANSPOSABLE ELEMENT-RELATED
Hgig_17950
Hgig_17951
Hgig_17952ANTIGEN 332, DBL-LIKE PROTEIN-RELATED
Hgig_17953
Hgig_17954ZINC FINGER PROTEIN
Hgig_17955
Hgig_17956FINGER PUTATIVE TRANSCRIPTION FACTOR FAMILY-RELATED
Hgig_17957
Hgig_17958
Hgig_17959REVERSE TRANSCRIPTASES
Hgig_17960ZINC FINGER PROTEIN 200
Hgig_17961
Hgig_17962
Hgig_17963ZINC FINGER PROTEIN
Hgig_17964
Hgig_17965OSJNBA0013A04.12 PROTEIN
Hgig_17966ZINC FINGER PROTEIN 200
Hgig_17967ZINC FINGER PROTEIN
Hgig_17968POL PROTEIN
Hgig_17969
Hgig_17970REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_17971
Hgig_17972
Hgig_17973ZINC FINGER PROTEIN
Hgig_17974
Hgig_17975
Hgig_17976
Hgig_17977ZINC FINGER PROTEIN
Hgig_17978
Hgig_17979
Hgig_17980
Hgig_17981
Hgig_17982
Hgig_17983
Hgig_17984BUCENTAUR RELATED
Hgig_17985RIBONUCLEASE H1
Hgig_17986
Hgig_17987
Hgig_17988ZINC FINGER PROTEIN
Hgig_17989
Hgig_17990ZINC FINGER PROTEIN 200
Hgig_17991
Hgig_17992PROTEIN CBG23766
Hgig_17993REVERSE TRANSCRIPTASES
Hgig_17994
Hgig_17995REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_17996
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