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_04496UNCHARACTERIZED
Hgig_04497UNCHARACTERIZED
Hgig_04498REVERSE TRANSCRIPTASES
Hgig_04499UNCHARACTERIZED
Hgig_04500UNCHARACTERIZED
Hgig_04501SODIUM-COUPLED MONOCARBOXYLATE TRANSPORTER
Hgig_04502TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_04503
Hgig_04504SERINE/THREONINE-PROTEIN KINASE
Hgig_04505
Hgig_04506RAB GTPASE-ACTIVATING PROTEIN 1-LIKE
Hgig_04507AGAP001464-PB
Hgig_04508
Hgig_04509
Hgig_04510RNA EXONUCLEASE REXO1 / RECO3 FAMILY MEMBER-RELATED
Hgig_04511PROTEIN PATCHED
Hgig_04512
Hgig_04513PHOSPHATIDYLGLYCEROL PHOSPHOLIPASE C
Hgig_04514POL PROTEIN
Hgig_04515RAS, DI-RAS, AND RHEB FAMILY MEMBERS OF SMALL GTPASE SUPERFAMILY
Hgig_04516RAS, DI-RAS, AND RHEB FAMILY MEMBERS OF SMALL GTPASE SUPERFAMILY
Hgig_04517
Hgig_04518UNCHARACTERIZED
Hgig_04519CRANIOFACIAL DEVELOPMENT PROTEIN 1
Hgig_04520UNCHARACTERIZED
Hgig_04521DNA-DIRECTED RNA POLYMERASE I,II,III
Hgig_04522METHYLTRANSFERASE-LIKE PROTEIN 24
Hgig_04523UNCHARACTERIZED
Hgig_04524
Hgig_04525
Hgig_04526EG:EG0003.4 PROTEIN-RELATED
Hgig_04527
Hgig_04528FATTY ACID ACYL TRANSFERASE-RELATED
Hgig_04529
Hgig_04530
Hgig_04531LD33804P
Hgig_04532
Hgig_04533
Hgig_04534
Hgig_04535
Hgig_04536
Hgig_04537
Hgig_04538
Hgig_04539
Hgig_04540
Hgig_04541
Hgig_04542
Hgig_04543
Hgig_04544
Hgig_04545
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