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_26599
Hgig_26600
Hgig_26601
Hgig_26602
Hgig_26603
Hgig_26604GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
Hgig_26605GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
Hgig_26606
Hgig_26607
Hgig_26608METHYLTRANSFERASE-LIKE PROTEIN 24
Hgig_26609
Hgig_26610DENSITY-REGULATED PROTEIN HOMOLOG
Hgig_26611DENSITY-REGULATED PROTEIN HOMOLOG
Hgig_26612
Hgig_26613
Hgig_26614
Hgig_26615
Hgig_26616UNCHARACTERIZED
Hgig_26617BEAT PROTEIN
Hgig_26618BEAT PROTEIN
Hgig_26619FI07246P-RELATED-RELATED
Hgig_26620
Hgig_26621SERINE/THREONINE-PROTEIN KINASE TAO
Hgig_26622SERINE/THREONINE-PROTEIN KINASE TAO
Hgig_26623ACYL-COA SYNTHETASE
Hgig_26624E3 UBIQUITIN-PROTEIN LIGASE TRIM
Hgig_26625ACYL-COA SYNTHETASE
Hgig_26626TRANSPOSON
Hgig_26627UNCHARACTERIZED
Hgig_26628
Hgig_26629
Hgig_26630
Hgig_26631
Hgig_26632
Hgig_26633ZINC FINGER PROTEIN
Hgig_26634
Hgig_26635
Hgig_26636
Hgig_26637
Hgig_26638
Hgig_26639
Hgig_26640
Hgig_26641
Hgig_26642
Hgig_26643
Hgig_26644WD REPEAT CONTAINING PROTEIN
Hgig_26645RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_26646RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_26647GH01354P
Hgig_26648ZINC FINGER CCCH DOMAIN-CONTAINING PROTEIN 18
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