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_26699ZINC FINGER PROTEIN
Hgig_26700F-BOX ONLY PROTEIN 6-LIKE PROTEIN
Hgig_26701
Hgig_26702N-MYC DOWNSTREAM REGULATED
Hgig_26703METHYLTHIOADENOSINE/PURINE NUCLEOSIDE PHOSPHORYLASE
Hgig_26704PROTEASE FAMILY M14 CARBOXYPEPTIDASE A,B
Hgig_26705PROTEASE FAMILY M14 CARBOXYPEPTIDASE A,B
Hgig_26706
Hgig_26707TYROSINE-PROTEIN KINASE RECEPTOR
Hgig_26708TYROSINE-PROTEIN KINASE RECEPTOR
Hgig_26709
Hgig_26710KETOACID-COENZYME A TRANSFERASE
Hgig_26711
Hgig_26712ATP-BINDING CASSETTE TRANSPORTER SUBFAMILY A ABCA
Hgig_26713
Hgig_26714
Hgig_26715
Hgig_26716
Hgig_26717
Hgig_26718
Hgig_26719
Hgig_26720ATP-DEPENDENT RNA HELICASE DBP3
Hgig_26721EF-HAND AND COILED-COIL DOMAIN-CONTAINING FAMILY MEMBER
Hgig_26722
Hgig_26723ZINC FINGER PROTEIN
Hgig_26724ZINC FINGER PROTEIN
Hgig_26725
Hgig_26726ZINC FINGER PROTEIN
Hgig_26727PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_26728-
Hgig_26729
Hgig_26730ZINC FINGER PROTEIN
Hgig_26731TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_26732UNCHARACTERIZED
Hgig_26733
Hgig_26734UNCHARACTERIZED
Hgig_26735
Hgig_26736NADP-SPECIFIC ISOCITRATE DEHYDROGENASE
Hgig_26737NADP-SPECIFIC ISOCITRATE DEHYDROGENASE
Hgig_26738RIBOSOMAL PROTEIN L5-RELATED
Hgig_26739ALPHA-KETOGLUTARATE-DEPENDENT DIOXYGENASE ALKB HOMOLOG 6
Hgig_26740
Hgig_26741OS05G0300700 PROTEIN
Hgig_26742RAP GTPASE-ACTIVATING PROTEIN
Hgig_26743RAP GTPASE-ACTIVATING PROTEIN
Hgig_26744
Hgig_26745ALPHA-KETOGLUTARATE-DEPENDENT DIOXYGENASE ALKB HOMOLOG 6
Hgig_26746HYPOXIA-INDUCIBLE FACTOR 1 ALPHA
Hgig_26747HYPOXIA-INDUCIBLE FACTOR 1 ALPHA
Hgig_26748G-PROTEIN COUPLED RECEPTOR MTH-LIKE 1-RELATED
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