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_17397
Hgig_17398THO COMPLEX SUBUNIT 1
Hgig_17399
Hgig_17400
Hgig_17401
Hgig_17402
Hgig_17403
Hgig_17404UNCHARACTERIZED
Hgig_17405
Hgig_174066-PHOSPHOFRUCTO-2-KINASE/FRUCTOSE-2,6-BISPHOSPHATASE
Hgig_17407D-RIBITOL-5-PHOSPHATE CYTIDYLYLTRANSFERASE
Hgig_17408
Hgig_17409D-RIBITOL-5-PHOSPHATE CYTIDYLYLTRANSFERASE
Hgig_17410
Hgig_17411
Hgig_17412REVERSE TRANSCRIPTASE
Hgig_17413
Hgig_17414ZINC FINGER PROTEIN
Hgig_17415FOIE GRAS
Hgig_17416PROTEIN SIDEKICK
Hgig_17417
Hgig_17418ARGININE DEMETHYLASE AND LYSYL-HYDROXYLASE JMJD
Hgig_17419
Hgig_17420
Hgig_17421
Hgig_17422PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT
Hgig_17423
Hgig_17424IG-LIKE DOMAIN-CONTAINING PROTEIN
Hgig_17425
Hgig_17426
Hgig_17427
Hgig_17428SOLUTE CARRIER FAMILY 34 SODIUM PHOSPHATE , MEMBER 2-RELATED
Hgig_17429ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_17430
Hgig_17431DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_17432
Hgig_17433CYTOKINE RECEPTOR
Hgig_17434SULFOTRANSFERASE SULT
Hgig_17435SULFOTRANSFERASE SULT
Hgig_17436SULFOTRANSFERASE SULT
Hgig_17437
Hgig_17438
Hgig_17439
Hgig_17440
Hgig_17441SYNAPTIC ADHESION-LIKE MOLECULE SALM
Hgig_17442EPOXIDE HYDROLASE
Hgig_17443
Hgig_17444
Hgig_17445
Hgig_17446
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