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_20097
Hgig_20098TRANSPOSABLE ELEMENT-RELATED
Hgig_20099KELCH PROTEIN
Hgig_20100PROTEIN CBG27172
Hgig_20101
Hgig_20102KELCH PROTEIN
Hgig_20103ZINC FINGER PROTEIN ZIC AND GLI
Hgig_20104
Hgig_20105LD33804P
Hgig_20106
Hgig_20107
Hgig_20108
Hgig_20109
Hgig_20110
Hgig_20111
Hgig_20112
Hgig_20113FINGER PUTATIVE TRANSCRIPTION FACTOR FAMILY-RELATED
Hgig_20114ZINC FINGER PROTEIN
Hgig_20115REVERSE TRANSCRIPTASES
Hgig_20116TRANSPOSABLE ELEMENT-RELATED
Hgig_20117ZINC FINGER PROTEIN
Hgig_20118
Hgig_20119
Hgig_20120ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_20121
Hgig_20122
Hgig_20123TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_20124CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_20125
Hgig_20126
Hgig_20127PALMITOYLTRANSFERASE ZDHHC16
Hgig_20128
Hgig_20129
Hgig_20130RIBONUCLEASE H1
Hgig_20131CHROMOSOME TRANSMISSION FIDELITY FACTOR 18
Hgig_20132
Hgig_20133TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_20134
Hgig_20135HSC70CB, ISOFORM G-RELATED
Hgig_20136
Hgig_20137HSC70CB, ISOFORM G-RELATED
Hgig_20138HEAT SHOCK PROTEIN 70KDA
Hgig_20139HSC70CB, ISOFORM G-RELATED
Hgig_20140HEAT SHOCK PROTEIN 70KDA
Hgig_20141HSC70CB, ISOFORM G-RELATED
Hgig_20142
Hgig_20143
Hgig_20144
Hgig_20145
Hgig_2014642-9-9 PROTEIN-RELATED
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