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_23997
Hgig_23998
Hgig_23999
Hgig_24000
Hgig_24001PYRROLINE-5-CARBOXYLATE REDUCTASE
Hgig_24002
Hgig_24003
Hgig_24004
Hgig_24005
Hgig_24006
Hgig_24007TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_24008-
Hgig_24009UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX ASSEMBLY FACTOR 1 FAMILY MEMBER
Hgig_24010
Hgig_24011ENDOPLASMIC RETICULUM MULTISPAN TRANSMEMBRANE PROTEIN-RELATED
Hgig_24012MYOTUBULARIN-RELATED
Hgig_24013SODIUM-BILE ACID COTRANSPORTER
Hgig_24014PHD-TYPE DOMAIN-CONTAINING PROTEIN
Hgig_24015UNCHARACTERIZED
Hgig_24016UNCHARACTERIZED
Hgig_24017
Hgig_24018PEROXISOMAL MEMBRANE PROTEIN PEX14
Hgig_24019CORNICHON-RELATED
Hgig_24020
Hgig_24021CONTACTIN 5
Hgig_24022PROCOLLAGEN-LYSINE,2-OXOGLUTARATE 5-DIOXYGENASE/GLYCOSYLTRANSFERASE 25 FAMILY MEMBER
Hgig_24023NEUROLIGIN
Hgig_24024
Hgig_24025PROTEIN SIDEKICK
Hgig_24026
Hgig_24027
Hgig_24028CONTACTIN 5
Hgig_24029
Hgig_24030
Hgig_24031
Hgig_24032GLUTATHIONE S TRANSFERASE D10, ISOFORM A-RELATED
Hgig_24033GLUTATHIONE S TRANSFERASE D10, ISOFORM A-RELATED
Hgig_24034MONOCARBOXYLATE TRANSPORTER
Hgig_24035
Hgig_24036FI19613P1
Hgig_24037ARP2/3 COMPLEX 16 KD SUBUNIT P16-ARC
Hgig_24038EME1 PROTEIN
Hgig_24039DEOXYCYTIDYLATE DEAMINASE-RELATED
Hgig_24040RAB GDP/GTP EXCHANGE FACTOR
Hgig_24041
Hgig_24042PROTEIN CBG27172
Hgig_24043
Hgig_24044SERINE/THREONINE-PROTEIN PHOSPHATASE PP2A-RELATED
Hgig_24045
Hgig_24046FLOTILLIN-RELATED
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