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_08647SEC14 DOMAIN AND SPECTRIN REPEAT-CONTAINING PROTEIN 1
Hgig_08648TETRATRICOPEPTIDE REPEAT PROTEIN 19
Hgig_08649GLUCOSYLCERAMIDASE
Hgig_08650CELL DIVISION CONTROL PROTEIN 6-RELATED
Hgig_08651INO80 COMPLEX SUBUNIT B
Hgig_08652
Hgig_08653SNRNP CORE PROTEIN FAMILY MEMBER
Hgig_08654
Hgig_08655
Hgig_08656DNA LIGASE 1/3 FAMILY MEMBER
Hgig_08657NOTCH LIGAND FAMILY MEMBER
Hgig_08658
Hgig_08659DNA LIGASE 1/3 FAMILY MEMBER
Hgig_08660DC12-RELATED
Hgig_08661
Hgig_08662
Hgig_08663
Hgig_08664WD-40 REPEAT PROTEIN
Hgig_08665TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08666METABOTROPIC GLUTAMATE RECEPTOR
Hgig_08667
Hgig_08668CARBONIC ANHYDRASE
Hgig_08669RAS-LIKE FAMILY MEMBER 11
Hgig_08670RAS-LIKE FAMILY MEMBER 11
Hgig_08671KU AUTOANTIGEN DNA HELICASE
Hgig_08672REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_08673PROTEIN CBG27172
Hgig_08674
Hgig_08675SYNAPTIC ADHESION-LIKE MOLECULE SALM
Hgig_08676
Hgig_08677KINESIN-LIKE PROTEIN KIF11
Hgig_08678
Hgig_08679ALPHA-L-FUCOSIDASE
Hgig_08680NADH-UBIQUINONE OXIDOREDUCTASE 49 KDA SUBUNIT
Hgig_08681NADH-UBIQUINONE OXIDOREDUCTASE 49 KDA SUBUNIT
Hgig_08682
Hgig_08683NARDILYSIN
Hgig_08684
Hgig_08685
Hgig_08686OSJNBA0013A04.12 PROTEIN
Hgig_08687
Hgig_08688PROMININ PROM PROTEIN
Hgig_08689PROTEIN CBG27172
Hgig_08690
Hgig_08691
Hgig_08692PROTON MYO-INOSITOL COTRANSPORTER
Hgig_08693
Hgig_08694TRANSCRIPTIONAL REPRESSOR PROTEIN YY
Hgig_08695MITOFILIN
Hgig_08696
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