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_06346
Hgig_06347
Hgig_06348TRANSPOSABLE ELEMENT-RELATED
Hgig_06349REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_06350PROTEIN CBG24663
Hgig_06351PROTEIN CBG27172
Hgig_06352
Hgig_06353ZINC FINGER AND SCAN DOMAIN-CONTAINING
Hgig_06354ZINC FINGER PROTEIN
Hgig_06355KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_06356
Hgig_06357TRANSPOSABLE ELEMENT-RELATED
Hgig_06358RAS-RESPONSIVE ELEMENT-BINDING PROTEIN 1
Hgig_06359
Hgig_06360
Hgig_06361SNAC DOMAIN-CONTAINING PROTEIN
Hgig_06362ZINC FINGER PROTEIN
Hgig_06363
Hgig_06364ZINC FINGER PROTEIN
Hgig_06365REVERSE TRANSCRIPTASES
Hgig_06366
Hgig_06367ZINC FINGER PROTEIN
Hgig_06368
Hgig_06369
Hgig_06370
Hgig_06371ZINC FINGER PROTEIN
Hgig_06372PROTEIN CBG26694
Hgig_06373SERINE/THREONINE-PROTEIN PHOSPHATASE PP2A 65 KDA REGULATORY SUBUNIT
Hgig_06374LD33804P
Hgig_06375
Hgig_06376POL PROTEIN
Hgig_06377
Hgig_06378ZINC FINGER PROTEIN
Hgig_06379REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_06380
Hgig_06381
Hgig_06382
Hgig_06383
Hgig_06384PROTEIN CBG26694
Hgig_06385ENDONUCLEASE
Hgig_06386
Hgig_06387PROTEIN CBG24663
Hgig_06388
Hgig_06389
Hgig_06390
Hgig_06391PROTEIN CBG27172
Hgig_06392
Hgig_06393
Hgig_06394
Hgig_06395KELCH PROTEIN
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