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_05396
Hgig_05397
Hgig_05398
Hgig_05399UNCHARACTERIZED
Hgig_05400UNCHARACTERIZED
Hgig_05401
Hgig_05402
Hgig_05403ZINC FINGER CCHC DOMAIN-CONTAINING PROTEIN 7
Hgig_05404TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_05405DOPAMINE BETA HYDROXYLASE RELATED
Hgig_05406
Hgig_05407
Hgig_05408REVERSE TRANSCRIPTASES
Hgig_05409RP42 RELATED
Hgig_05410UNCHARACTERIZED
Hgig_05411IP06524P-RELATED
Hgig_05412DIHYDRODIPICOLINATE SYNTHASE
Hgig_05413
Hgig_05414PROTEIN CBG27172
Hgig_05415
Hgig_05416
Hgig_05417DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_05418REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_05419
Hgig_05420
Hgig_05421
Hgig_05422ALPHA-AMYLASE
Hgig_05423
Hgig_05424
Hgig_05425DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_05426IONOTROPIC RECEPTOR 20A-RELATED
Hgig_05427
Hgig_05428
Hgig_05429SODIUM LEAK CHANNEL NON-SELECTIVE PROTEIN
Hgig_05430SODIUM LEAK CHANNEL NON-SELECTIVE PROTEIN
Hgig_05431SODIUM LEAK CHANNEL NON-SELECTIVE PROTEIN
Hgig_05432
Hgig_05433SODIUM LEAK CHANNEL NON-SELECTIVE PROTEIN
Hgig_05434SERINE/THREONINE PROTEIN KINASE
Hgig_05435
Hgig_05436REVERSE TRANSCRIPTASES
Hgig_05437FAT ATYPICAL CADHERIN-RELATED
Hgig_05438
Hgig_05439SERINE/THREONINE-PROTEIN KINASE WNK WITH NO LYSINE -RELATED
Hgig_05440SERINE/THREONINE-PROTEIN KINASE WNK WITH NO LYSINE -RELATED
Hgig_05441
Hgig_05442
Hgig_05443
Hgig_05444
Hgig_05445KRUEPPEL-LIKE TRANSCRIPTION FACTOR
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