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_08397
Hgig_08398
Hgig_08399
Hgig_08400FORKHEAD BOX PROTEIN
Hgig_08401FORKHEAD BOX PROTEIN
Hgig_08402
Hgig_08403
Hgig_08404
Hgig_08405
Hgig_08406
Hgig_08407
Hgig_08408COBW-RELATED
Hgig_08409
Hgig_08410
Hgig_08411
Hgig_08412PROTEIN CBG27172
Hgig_08413
Hgig_08414TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08415
Hgig_08416
Hgig_08417
Hgig_08418OSJNBA0013A04.12 PROTEIN
Hgig_08419ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_08420CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_08421
Hgig_08422
Hgig_08423
Hgig_08424
Hgig_08425
Hgig_08426REVERSE TRANSCRIPTASE
Hgig_08427NEPHRIN
Hgig_08428REVERSE TRANSCRIPTASE
Hgig_08429MICROTUBULE-ASSOCIATED PROTEIN
Hgig_08430
Hgig_08431U6 SNRNA-ASSOCIATED SM-LIKE PROTEIN LSM3
Hgig_08432
Hgig_08433BTB/POZ DOMAIN-CONTAINING
Hgig_08434TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08435ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_08436NEPHRIN
Hgig_08437
Hgig_08438NEPHRIN
Hgig_08439
Hgig_08440
Hgig_08441
Hgig_08442
Hgig_08443TETRATRICOPEPTIDE REPEAT PROTEIN 14
Hgig_08444REVERSE TRANSCRIPTASE
Hgig_08445REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_08446
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