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_17897
Hgig_17898PROTEIN CBG27172
Hgig_17899ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_17900
Hgig_17901
Hgig_17902REVERSE TRANSCRIPTASES
Hgig_17903PROTEIN CBG27172
Hgig_17904
Hgig_17905
Hgig_17906PROTEIN CBG27172
Hgig_17907ZINC FINGER PROTEIN
Hgig_17908PROTEIN CBG26694
Hgig_17909PROTEIN CBG27172
Hgig_17910ZINC FINGER PROTEIN
Hgig_17911PROTEIN CBG24663
Hgig_17912REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_17913TRANSPOSABLE ELEMENT-RELATED
Hgig_17914KELCH PROTEIN
Hgig_17915ZINC FINGER PROTEIN 200
Hgig_17916
Hgig_17917TRANSPOSASE-RELATED
Hgig_17918REVERSE TRANSCRIPTASE
Hgig_17919KELCH PROTEIN
Hgig_17920ZINC FINGER PROTEIN
Hgig_17921ZINC FINGER PROTEIN
Hgig_17922
Hgig_17923
Hgig_17924ZINC FINGER PROTEIN
Hgig_17925TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_17926
Hgig_17927
Hgig_17928LD33804P
Hgig_17929SERINE/THREONINE-PROTEIN PHOSPHATASE PP2A 65 KDA REGULATORY SUBUNIT
Hgig_17930
Hgig_17931
Hgig_17932
Hgig_17933ZINC FINGER PROTEIN
Hgig_17934
Hgig_17935
Hgig_17936TETRA THYMOSIN
Hgig_17937REVERSE TRANSCRIPTASE
Hgig_17938ZINC FINGER PROTEIN
Hgig_17939OSJNBA0013A04.12 PROTEIN
Hgig_17940ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_17941
Hgig_17942
Hgig_17943
Hgig_17944
Hgig_17945RETROVIRUS-RELATED POL POLYPROTEIN FROM TRANSPOSON 412-LIKE PROTEIN-RELATED
Hgig_17946
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