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_07496DNA REPAIR AND RECOMBINATION PROTEIN RAD52, RAD59
Hgig_07497ENDONUCLEASE
Hgig_07498GUANYLYL CYCLASE
Hgig_07499
Hgig_07500
Hgig_07501STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07502AMSH-LIKE PROTEASE
Hgig_07503
Hgig_07504UNCHARACTERIZED
Hgig_07505
Hgig_07506
Hgig_07507POLYSERASE-RELATED
Hgig_07508TRYPSIN-RELATED
Hgig_07509
Hgig_07510
Hgig_07511
Hgig_07512
Hgig_07513DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_07514
Hgig_07515NAD(P)-BINDING ROSSMANN-FOLD SUPERFAMILY PROTEIN-RELATED
Hgig_07516
Hgig_07517PHOSPHOTRIESTERASE-RELATED
Hgig_07518CONSERVED PROTEIN, WITH A WEAK D-GALACTARATE DEHYDRATASE/ALTRONATE HYDROLASE DOMAIN
Hgig_07519CONSERVED PROTEIN, WITH A WEAK D-GALACTARATE DEHYDRATASE/ALTRONATE HYDROLASE DOMAIN
Hgig_07520FORKHEAD BOX PROTEIN
Hgig_07521CUBILIN
Hgig_07522
Hgig_07523T-BOX PROTEIN-RELATED
Hgig_07524
Hgig_07525
Hgig_07526DNA REPAIR DEAD HELICASE RAD3/XP-D SUBFAMILY MEMBER
Hgig_07527DNA REPAIR DEAD HELICASE RAD3/XP-D SUBFAMILY MEMBER
Hgig_07528DIMETHYLANILINE MONOOXYGENASE
Hgig_07529COMPLEMENT COMPONENT 1, S SUBCOMPONENT-RELATED
Hgig_07530PROTEIN CBG27172
Hgig_07531
Hgig_07532TRIFUNCTIONAL ENZYME SUBUNIT ALPHA
Hgig_07533
Hgig_07534
Hgig_07535ZINC FINGER PROTEIN 142
Hgig_07536TUBULIN
Hgig_07537
Hgig_07538
Hgig_07539ACYL-COA DESATURASE
Hgig_07540N-ACETYLATED-ALPHA-LINKED ACIDIC DIPEPTIDASE
Hgig_07541POLY [ADP-RIBOSE] POLYMERASE
Hgig_07542REVERSE TRANSCRIPTASE
Hgig_07543FARNESYLCYSTEINE LYASE
Hgig_07544
Hgig_07545SH3 ADAPTER PROTEIN SPIN90 NCK INTERACTING PROTEIN WITH SH3 DOMAIN
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