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_25097CAT EYE SYNDROME CRITICAL REGION PROTEIN 2
Hgig_25098
Hgig_25099HEAT SHOCK PROTEIN HSP-12.2-RELATED
Hgig_25100DIPHOSPHOMEVALONATE DECARBOXYLASE
Hgig_25101MITOCHONDRIAL 28S RIBOSOMAL PROTEIN S27
Hgig_25102MITOCHONDRIAL 28S RIBOSOMAL PROTEIN S27
Hgig_25103UBIQUITIN LIGASE E3 ALPHA-RELATED
Hgig_25104UBIQUITIN LIGASE E3 ALPHA-RELATED
Hgig_25105
Hgig_25106UBIQUITIN LIGASE E3 ALPHA-RELATED
Hgig_25107EUKARYOTIC TRANSLATION INITIATION FACTOR 2C
Hgig_25108
Hgig_25109PEROXISOME PROLIFERATOR ACTIVATED RECEPTOR GAMMA COACTIVATOR 1 PGC-1 -RELATED
Hgig_25110
Hgig_25111MITOGEN-ACTIVATED PROTEIN KINASE KINASE 5
Hgig_25112
Hgig_25113UBIQUITIN-CONJUGATING ENZYME E2
Hgig_25114MALATE AND LACTATE DEHYDROGENASE
Hgig_25115COILED-COIL DOMAIN-CONTAINING PROTEIN 43
Hgig_25116LARGE PROLINE-RICH PROTEIN BAG6
Hgig_25117
Hgig_25118GEO13361P1-RELATED
Hgig_25119
Hgig_25120
Hgig_25121SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_25122THREE PRIME REPAIR EXONUCLEASE 1, 2
Hgig_25123PRE-MRNA-SPLICING FACTOR CWF18
Hgig_25124BASIGIN RELATED
Hgig_25125PROTEIN SIDEKICK
Hgig_25126NEUROTRANSMITTER GATED ION CHANNEL
Hgig_25127IONOTROPIC RECEPTOR 20A-RELATED
Hgig_25128OXIDASE/PEROXIDASE
Hgig_25129MYOTROPHIN
Hgig_25130OSJNBA0013A04.12 PROTEIN
Hgig_25131
Hgig_25132SYNAPTOTAGMIN
Hgig_25133COATOMER SUBUNIT BETA
Hgig_25134PERIOSTIN-RELATED
Hgig_25135
Hgig_25136
Hgig_25137PROTEIN PHOSPHATASE 2C
Hgig_25138RUNT RELATED
Hgig_25139
Hgig_25140
Hgig_25141REGULATOR OF MICROTUBULE DYNAMICS PROTEIN
Hgig_25142
Hgig_25143REVERSE TRANSCRIPTASES
Hgig_25144SI:CH73-250A16.5-RELATED
Hgig_25145HOMEOBOX PROTEIN SIX
Hgig_25146HOMEOBOX PROTEIN SIX
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