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_01096
Hgig_01097UNCHARACTERIZED
Hgig_01098UNCHARACTERIZED
Hgig_01099
Hgig_01100
Hgig_01101
Hgig_01102
Hgig_01103LYSYL OXIDASE-LIKE-RELATED
Hgig_01104
Hgig_01105
Hgig_01106KERATINOCYTE PROLINE-RICH PROTEIN
Hgig_01107
Hgig_01108
Hgig_01109RAS-ASSOCIATING DOMAIN CONTAINING PROTEIN
Hgig_01110LITHOSTATHINE
Hgig_01111
Hgig_01112MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_01113
Hgig_01114TYROSINE-PROTEIN PHOSPHATASE NON-RECEPTOR TYPE 13
Hgig_01115SOLUTE CARRIER FAMILY 13 MEMBER
Hgig_01116SOLUTE CARRIER FAMILY 13 MEMBER
Hgig_01117SOLUTE CARRIER FAMILY 13 MEMBER
Hgig_01118SOLUTE CARRIER FAMILY 13 MEMBER
Hgig_01119SOLUTE CARRIER FAMILY 13 MEMBER
Hgig_01120LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01121IMIDAZOLONEPROPIONASE
Hgig_01122LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED PROTEIN 2-RELATED
Hgig_01123
Hgig_01124
Hgig_01125LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01126TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_01127LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED PROTEIN 2-RELATED
Hgig_01128LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01129EG:EG0003.4 PROTEIN-RELATED
Hgig_01130EG:EG0003.4 PROTEIN-RELATED
Hgig_01131PHOSPHATIDYLINOSITOL N-ACETYLGLUCOSAMINYLTRANSFERASE SUBUNIT Q-RELATED
Hgig_01132EG:EG0003.4 PROTEIN-RELATED
Hgig_01133TRANSCRIPTION FACTOR E2F
Hgig_011345'-NUCLEOTIDASE-RELATED
Hgig_01135EG:EG0003.4 PROTEIN-RELATED
Hgig_011365'-NUCLEOTIDASE-RELATED
Hgig_011375'-NUCLEOTIDASE-RELATED
Hgig_01138METEORIN-LIKE PROTEIN
Hgig_01139
Hgig_01140
Hgig_01141POLYCYSTIN FAMILY MEMBER
Hgig_01142IP22168P
Hgig_01143
Hgig_01144THYMIDINE PHOSPHORYLASE
Hgig_01145
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