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_24397
Hgig_24398ATAXIA TELANGIECTASIA MUTATED ATM -RELATED
Hgig_24399UNCHARACTERIZED
Hgig_24400UNCHARACTERIZED
Hgig_24401UNCHARACTERIZED
Hgig_24402UNCHARACTERIZED
Hgig_24403UNCHARACTERIZED
Hgig_24404UNCHARACTERIZED
Hgig_24405UNCHARACTERIZED
Hgig_24406UNCHARACTERIZED
Hgig_24407
Hgig_24408UNCHARACTERIZED
Hgig_24409TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24410POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 4
Hgig_24411POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 4
Hgig_24412TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24413G-PROTEIN COUPLED RECEPTOR
Hgig_24414
Hgig_24415AMINO ACID TRANSPORTER
Hgig_24416OS05G0424000 PROTEIN-RELATED
Hgig_24417AMINO ACID TRANSPORTER
Hgig_24418MYOSUPPRESSIN RECEPTOR 1, ISOFORM B-RELATED
Hgig_24419
Hgig_24420
Hgig_24421KELCH PROTEIN
Hgig_24422DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_24423DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_24424
Hgig_24425DDE_TNP_1_7 DOMAIN-CONTAINING PROTEIN
Hgig_24426TRANSPOSASE-RELATED
Hgig_24427TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24428
Hgig_24429TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24430
Hgig_24431
Hgig_24432HAT FAMILY DIMERISATION DOMAINCONTAINING PROTEIN-RELATED
Hgig_24433
Hgig_24434
Hgig_24435
Hgig_24436
Hgig_24437OPSIN
Hgig_24438
Hgig_24439
Hgig_24440
Hgig_24441REVERSE TRANSCRIPTASE
Hgig_24442
Hgig_24443
Hgig_24444
Hgig_24445MYOSIN LIGHT CHAIN 1, 3
Hgig_24446
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