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_27299REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27300ZINC FINGER AND BTB DOMAIN-CONTAINING
Hgig_27301
Hgig_27302
Hgig_27303
Hgig_27304TRANSPOSASE-RELATED
Hgig_27305
Hgig_27306
Hgig_27307
Hgig_27308
Hgig_27309PROTEIN CBG26694
Hgig_27310
Hgig_27311
Hgig_27312TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27313
Hgig_27314
Hgig_27315TRANSPOSASE-RELATED
Hgig_27316
Hgig_27317
Hgig_27318TRANSPOSABLE ELEMENT-RELATED
Hgig_27319TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27320
Hgig_27321
Hgig_27322ZINC FINGER PROTEIN
Hgig_27323ZINC FINGER AND BTB DOMAIN-CONTAINING
Hgig_27324
Hgig_27325
Hgig_27326
Hgig_27327TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27328REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27329
Hgig_27330KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_27331
Hgig_27332
Hgig_27333BUCENTAUR RELATED
Hgig_27334
Hgig_27335
Hgig_27336
Hgig_27337
Hgig_27338
Hgig_27339
Hgig_27340
Hgig_27341PROTEIN CBG24663
Hgig_27342
Hgig_27343
Hgig_27344
Hgig_27345TRANSPOSABLE ELEMENT-RELATED
Hgig_27346
Hgig_27347
Hgig_27348
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