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_02796
Hgig_02797AP1 GAMMA SUBUNIT BINDING PROTEIN 1
Hgig_02798IMPORTIN BETA
Hgig_02799D-AMINO ACID OXIDASE
Hgig_02800MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02801LITHOSTATHINE
Hgig_02802MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02803MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02804UNCHARACTERIZED
Hgig_02805
Hgig_02806DYSFERLIN-RELATED
Hgig_02807REVERSE TRANSCRIPTASE
Hgig_02808
Hgig_02809STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02810STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02811STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02812
Hgig_02813STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02814STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02815STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02816CELL DIVISION PROTEIN KINASE
Hgig_02817ER MEMBRANE PROTEIN COMPLEX
Hgig_02818TYROSINE-PROTEIN KINASE RECEPTOR
Hgig_02819
Hgig_02820TYROSINE-PROTEIN KINASE HOPSCOTCH
Hgig_02821
Hgig_02822STEROL O-ACYLTRANSFERASE
Hgig_02823PROTEIN CBG27172
Hgig_02824
Hgig_02825THYROTROPIN-RELEASING HORMONE RECEPTOR
Hgig_02826THYROTROPIN-RELEASING HORMONE RECEPTOR
Hgig_02827
Hgig_02828
Hgig_02829
Hgig_02830
Hgig_02831
Hgig_02832
Hgig_02833FILAMIN/GPBP-INTERACTING PROTEIN
Hgig_02834
Hgig_02835PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_02836SORTING NEXIN
Hgig_02837ADP RIBOSYLATION FACTOR-RELATED
Hgig_02838ADP RIBOSYLATION FACTOR-RELATED
Hgig_02839MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02840MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02841MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02842MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02843MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02844MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02845MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
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