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_20347
Hgig_20348
Hgig_20349
Hgig_20350ZINC FINGER PROTEIN ZIC AND GLI
Hgig_20351
Hgig_20352
Hgig_20353
Hgig_20354ZINC FINGER PROTEIN
Hgig_20355
Hgig_20356
Hgig_20357REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20358
Hgig_20359
Hgig_20360KELCH PROTEIN
Hgig_20361TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 10
Hgig_20362
Hgig_20363
Hgig_20364PROTEIN CBG27172
Hgig_20365ZINC FINGER PROTEIN
Hgig_20366TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_20367
Hgig_20368REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20369
Hgig_20370ZINC FINGER PROTEIN
Hgig_20371ZINC FINGER PROTEIN
Hgig_20372
Hgig_20373
Hgig_20374
Hgig_20375ZINC FINGER PROTEIN
Hgig_20376ENDONUCLEASE-RELATED
Hgig_20377
Hgig_20378POL PROTEIN
Hgig_20379REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20380ZINC FINGER PROTEIN
Hgig_20381
Hgig_20382
Hgig_20383ZINC FINGER PROTEIN 142
Hgig_20384ZINC FINGER PROTEIN
Hgig_20385
Hgig_20386TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_20387ZINC FINGER PROTEIN
Hgig_20388
Hgig_20389REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20390PROTEIN CBG27172
Hgig_20391PROTEIN CBG27172
Hgig_20392PROTEIN CBG27172
Hgig_20393
Hgig_20394REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20395POL PROTEIN
Hgig_20396TRANSPOSASE-RELATED
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