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_24797SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_24798INOSITOL POLYPHOSPHATE KINASE
Hgig_24799UNKEMPT FAMILY MEMBER
Hgig_24800
Hgig_24801HISTONE H3
Hgig_24802PUTATIVE-RELATED
Hgig_24803
Hgig_24804
Hgig_24805HISTONE H3
Hgig_24806PROTEIN CCSMST1
Hgig_24807
Hgig_24808
Hgig_24809ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_24810
Hgig_24811PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1
Hgig_24812
Hgig_24813
Hgig_24814STRUCTURAL CONTITUENT OF CUTICLE
Hgig_24815SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_24816CDNA SEQUENCE BC021608
Hgig_24817DOPEY-RELATED
Hgig_24818DOPEY-RELATED
Hgig_24819
Hgig_24820
Hgig_24821
Hgig_24822
Hgig_24823XPA-BINDING PROTEIN 1-RELATED
Hgig_24824
Hgig_24825MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24826MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24827MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24828TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_24829PROTEIN CBG27172
Hgig_24830
Hgig_24831
Hgig_24832
Hgig_24833
Hgig_24834MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24835MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24836MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24837MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24838
Hgig_24839MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24840MULTIPLE PDZ DOMAIN PROTEIN
Hgig_24841
Hgig_24842DISCS LARGE
Hgig_24843REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_24844
Hgig_24845
Hgig_24846
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