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_26849
Hgig_26850MACROGLOBULIN / COMPLEMENT
Hgig_26851
Hgig_26852
Hgig_26853
Hgig_26854ZINC FINGER PROTEIN
Hgig_26855
Hgig_26856
Hgig_26857TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_26858MACROGLOBULIN / COMPLEMENT
Hgig_26859
Hgig_26860
Hgig_26861
Hgig_26862
Hgig_26863
Hgig_26864REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_26865REVERSE TRANSCRIPTASES
Hgig_26866MITOCHONDRIAL CARRIER HOMOLOG
Hgig_26867ZINC FINGER PROTEIN
Hgig_26868
Hgig_26869DYSTROGLYCAN-RELATED
Hgig_26870ZINC FINGER PROTEIN
Hgig_26871DYSTROGLYCAN-RELATED
Hgig_26872DYSTROGLYCAN-RELATED
Hgig_26873
Hgig_26874
Hgig_26875INNER NUCLEAR MEMBRANE PROTEIN MAN1 LEM DOMAIN CONTAINING PROTEIN
Hgig_26876WD-REPEAT PROTEIN INTERACTING WITH PHOSPHOINOSIDES WIPI -RELATED
Hgig_26877WD-REPEAT PROTEIN INTERACTING WITH PHOSPHOINOSIDES WIPI -RELATED
Hgig_26878
Hgig_26879
Hgig_26880
Hgig_26881SERINE/THREONINE PROTEIN PHOSPHATASE
Hgig_26882SERINE/THREONINE PROTEIN PHOSPHATASE
Hgig_26883
Hgig_26884AAA-FAMILY ATPASE
Hgig_26885
Hgig_26886
Hgig_26887RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_26888
Hgig_26889
Hgig_26890YLP MOTIF CONTAINING PROTEIN NUCLEAR PROTEIN ZAP
Hgig_26891
Hgig_26892SERINE/THREONINE-PROTEIN KINASE 17
Hgig_26893IONOTROPIC RECEPTOR 20A-RELATED
Hgig_26894
Hgig_26895BETA-SITE APP-CLEAVING ENZYME, ISOFORM A-RELATED
Hgig_26896
Hgig_26897
Hgig_26898
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