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_24097ADAPTOR COMPLEXES SMALL SUBUNIT FAMILY
Hgig_24098STRUCTURAL CONTITUENT OF CUTICLE
Hgig_24099
Hgig_24100
Hgig_24101ZINC FINGER CCCH-TYPE WITH G PATCH DOMAIN-CONTAINING PROTEIN
Hgig_24102
Hgig_24103
Hgig_24104MRN COMPLEX-INTERACTING PROTEIN
Hgig_24105
Hgig_24106
Hgig_24107
Hgig_24108XYLOSYLTRANSFERASE OXT
Hgig_24109
Hgig_24110TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24111PDF RECEPTOR-LIKE PROTEIN-RELATED
Hgig_24112O-METHYLTRANSFERASE-RELATED
Hgig_24113HAT FAMILY DIMERISATION DOMAINCONTAINING PROTEIN-RELATED
Hgig_24114
Hgig_24115-
Hgig_24116-
Hgig_24117-
Hgig_24118
Hgig_24119
Hgig_24120
Hgig_24121SIDESTEP PROTEIN
Hgig_241223'-5' EXONUCLEASE ERI1-RELATED
Hgig_24123
Hgig_24124-
Hgig_24125HETEROGENEOUS NUCLEAR RIBONUCLEOPROTEIN-RELATED
Hgig_24126
Hgig_24127
Hgig_24128
Hgig_24129ORIGIN RECOGNITION COMPLEX SUBUNIT 2
Hgig_24130METASTASIS-ASSOCIATED PROTEIN AND MESODERM INDUCTION EARLY RESPONSE PROTEIN
Hgig_24131STRUCTURAL CONTITUENT OF CUTICLE
Hgig_24132
Hgig_24133GAMMA-BUTYROBETAINE HYDROXYLASE-RELATED
Hgig_24134MAP/MICROTUBULE AFFINITY-REGULATING KINASE
Hgig_24135UNCHARACTERIZED
Hgig_24136ACETYL-COA C-ACYLTRANSFERASE
Hgig_2413760S RIBOSOMAL PROTEIN L22
Hgig_24138PROTEIN CBG26694
Hgig_24139ADAPTOR COMPLEXES SMALL SUBUNIT FAMILY
Hgig_24140
Hgig_24141
Hgig_24142MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 4
Hgig_24143PROTEIN CBG27172
Hgig_24144
Hgig_24145
Hgig_24146
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