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_08697WD40 REPEAT PROTEIN SWD2
Hgig_08698UNCHARACTERIZED
Hgig_08699DECARBOXYLATING DEHYDROGENASES-ISOCITRATE, ISOPROPYLMALATE, TARTRATE
Hgig_08700IONOTROPIC RECEPTOR 20A-RELATED
Hgig_08701TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08702PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_08703REVERSE TRANSCRIPTASE
Hgig_08704
Hgig_08705
Hgig_08706AGAP005574-PA
Hgig_08707
Hgig_08708
Hgig_08709
Hgig_08710UNCHARACTERIZED
Hgig_08711
Hgig_08712
Hgig_08713
Hgig_08714
Hgig_08715
Hgig_08716
Hgig_08717UNCHARACTERIZED
Hgig_08718
Hgig_08719UNCHARACTERIZED
Hgig_08720
Hgig_08721BETA1,4 MANNOSYLTRANSFERASE
Hgig_08722
Hgig_08723
Hgig_08724
Hgig_08725
Hgig_08726SERINE/THREONINE-PROTEIN KINASE
Hgig_08727SERINE/THREONINE-PROTEIN KINASE
Hgig_08728DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_08729
Hgig_08730
Hgig_08731UBIQUILIN
Hgig_08732UBIQUILIN
Hgig_08733
Hgig_08734GEO12009P1
Hgig_08735TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08736
Hgig_08737
Hgig_08738SEMAPHORIN
Hgig_08739COMPLEMENT COMPONENT-RELATED SUSHI DOMAIN-CONTAINING
Hgig_08740NOTCH LIGAND FAMILY MEMBER
Hgig_08741
Hgig_08742GALACTOSE-3-O-SULFOTRANSFERASE
Hgig_08743PROTEIN SIDEKICK
Hgig_08744
Hgig_08745PROTEIN SIDEKICK
Hgig_08746PROTEIN CBG27172
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