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_02546LIPID PHOSPHATE PHOSPHATASE
Hgig_02547
Hgig_02548TRANSPOSABLE ELEMENT-RELATED
Hgig_02549FRUCTOSE-2,6-BISPHOSPHATASE TIGAR
Hgig_02550MYOSIN REGULATORY LIGHT CHAIN 2
Hgig_02551
Hgig_02552
Hgig_02553
Hgig_02554
Hgig_02555
Hgig_02556
Hgig_02557
Hgig_02558EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT G
Hgig_02559
Hgig_02560
Hgig_02561REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_02562
Hgig_02563GLUTATHIONE S TRANSFERASE D10, ISOFORM A-RELATED
Hgig_02564
Hgig_02565
Hgig_02566SERINE/THREONINE-PROTEIN KINASE
Hgig_02567TIMELESS INTERACTING-RELATED
Hgig_02568
Hgig_02569SERINE/THREONINE-PROTEIN KINASE
Hgig_02570SPERM PROTEIN HOMOLOG
Hgig_02571
Hgig_02572
Hgig_02573RHOMBOID-RELATED PROTEIN
Hgig_02574
Hgig_02575
Hgig_02576
Hgig_02577GENERAL TRANSCRIPTION FACTOR 3C POLYPEPTIDE 4 FAMILY
Hgig_02578RAN BINDING PROTEIN 9-RELATED
Hgig_02579-
Hgig_02580
Hgig_02581PHOSPHOLIPASE D
Hgig_02582
Hgig_02583NOP2 YEAST -RELATED NOL1/NOP2/FMU SUN DOMAIN-CONTAINING
Hgig_02584SERINE/THREONINE-PROTEIN PHOSPHATASE PP2A 65 KDA REGULATORY SUBUNIT
Hgig_02585UNCHARACTERIZED
Hgig_02586FERM AND PDZ DOMAIN-CONTAINING PROTEIN FAMILY MEMBER
Hgig_02587
Hgig_02588
Hgig_02589
Hgig_02590
Hgig_02591
Hgig_02592ADAPTOR COMPLEX SUBUNIT BETA FAMILY MEMBER
Hgig_02593
Hgig_02594PROTEIN DISULFIDE-ISOMERASE C17H9.14C-RELATED
Hgig_02595
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