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_20397
Hgig_20398TRANSPOSASE-RELATED
Hgig_20399
Hgig_20400
Hgig_20401PROTEIN CBG27172
Hgig_20402
Hgig_20403ZINC FINGER PROTEIN
Hgig_20404
Hgig_20405TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_20406PROTEIN CBG27172
Hgig_20407
Hgig_20408
Hgig_20409
Hgig_20410
Hgig_20411
Hgig_20412
Hgig_20413DACHSHUND
Hgig_20414LD33804P
Hgig_20415
Hgig_20416
Hgig_20417
Hgig_20418
Hgig_20419
Hgig_20420
Hgig_20421
Hgig_20422REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20423PROTEIN CBG27172
Hgig_20424
Hgig_20425EXONUCLEASE, PHAGE-TYPE/RECB, C-TERMINAL DOMAIN-CONTAINING PROTEIN
Hgig_20426NUCLEAR FACTOR ERYTHROID 2-RELATED FACTOR
Hgig_20427SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_20428PIGGYBAC TRANSPOSABLE ELEMENT-DERIVED PROTEIN 4
Hgig_20429PROTEIN CBG27172
Hgig_20430SIDESTEP PROTEIN
Hgig_20431
Hgig_20432DACHSHUND
Hgig_20433
Hgig_20434REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20435PROTEIN CBG27172
Hgig_20436
Hgig_20437
Hgig_20438
Hgig_20439THAP DOMAIN-CONTAINING
Hgig_20440
Hgig_20441AGAP005574-PA
Hgig_20442METHYLMALONYL-COA MUTASE
Hgig_2044350S/60S RIBOSOMAL PROTEIN L16
Hgig_20444DIHYDROLIPOAMIDE ACETYL/SUCCINYL-TRANSFERASE-RELATED
Hgig_20445
Hgig_20446
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