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_27249
Hgig_27250
Hgig_27251PR DOMAIN ZINC FINGER PROTEIN
Hgig_27252
Hgig_27253
Hgig_27254TRANSPOSABLE ELEMENT-RELATED
Hgig_27255TRANSPOSASE-RELATED
Hgig_27256PR DOMAIN ZINC FINGER PROTEIN
Hgig_27257RAS-RESPONSIVE ELEMENT-BINDING PROTEIN 1
Hgig_27258
Hgig_27259
Hgig_27260TRANSPOSASE-RELATED
Hgig_27261ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_27262
Hgig_27263TRANSPOSASE-RELATED
Hgig_27264ZINC FINGER PROTEIN
Hgig_27265PROTEIN PHOSPHATASE 2C
Hgig_27266PROTEIN PHOSPHATASE 2C
Hgig_27267
Hgig_27268
Hgig_27269TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27270REVERSE TRANSCRIPTASE
Hgig_27271REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27272REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27273TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27274
Hgig_27275
Hgig_27276REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27277TRANSPOSABLE ELEMENT-RELATED
Hgig_27278REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27279REVERSE TRANSCRIPTASE
Hgig_27280TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27281
Hgig_27282
Hgig_27283TRANSPOSABLE ELEMENT-RELATED
Hgig_27284
Hgig_27285TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27286ZINC FINGER PROTEIN
Hgig_27287ZINC FINGER PROTEIN
Hgig_27288ENZYMATIC POLYPROTEIN-RELATED
Hgig_27289ZINC FINGER PROTEIN
Hgig_27290REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27291
Hgig_27292ZINC FINGER AND BTB DOMAIN-CONTAINING
Hgig_27293ZINC FINGER PROTEIN
Hgig_27294
Hgig_27295
Hgig_27296ZINC FINGER PROTEIN ZIC AND GLI
Hgig_27297ZINC FINGER PROTEIN ZIC AND GLI
Hgig_27298REVERSE TRANSCRIPTASE
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