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_01946STRUCTURAL CONTITUENT OF CUTICLE
Hgig_01947STRUCTURAL CONTITUENT OF CUTICLE
Hgig_01948STRUCTURAL CONTITUENT OF CUTICLE
Hgig_01949COILED-COIL DOMAIN-CONTAINING PROTEIN 103
Hgig_01950
Hgig_01951CLEAVAGE STIMULATION FACTOR SUBUNIT 2
Hgig_01952
Hgig_01953
Hgig_01954REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_01955KINESIN LIGHT CHAIN
Hgig_01956CATION-TRANSPORTING ATPASE-RELATED
Hgig_01957TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_01958LETHAL 2 GIANT LARVAE PROTEIN
Hgig_01959CYTOCHROME P450 508A4-RELATED
Hgig_01960CYTOCHROME P450 FAMILY 1
Hgig_01961CYTOCHROME P450 508A4-RELATED
Hgig_01962CYTOCHROME P450 508A4-RELATED
Hgig_01963CYTOCHROME P450 508A4-RELATED
Hgig_01964CYTOCHROME P450 508A4-RELATED
Hgig_01965CYTOCHROME P450 508A4-RELATED
Hgig_01966CYTOCHROME P450 508A4-RELATED
Hgig_01967CYTOCHROME P450 508A4-RELATED
Hgig_01968
Hgig_01969CYTOCHROME P450 508A4-RELATED
Hgig_01970CYTOCHROME P450 508A4-RELATED
Hgig_01971
Hgig_01972
Hgig_01973
Hgig_01974
Hgig_01975
Hgig_01976CONTACTIN 5
Hgig_01977CONTACTIN 5
Hgig_01978
Hgig_01979CONTACTIN 5
Hgig_01980
Hgig_01981CARBOXYLESTERASE
Hgig_01982CARBOXYLESTERASE
Hgig_01983CARBOXYLESTERASE
Hgig_01984FATTY ACID ACYL TRANSFERASE-RELATED
Hgig_01985PROTEIN CBG27172
Hgig_01986REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_01987RIBOSOMAL PROTEIN L5-RELATED
Hgig_01988XAA-PRO AMINOPEPTIDASE 3
Hgig_01989
Hgig_01990
Hgig_01991ZINC FINGER PROTEIN
Hgig_01992LAMIN DM0-RELATED
Hgig_01993PROTEASE M50 MEMBRANE-BOUND TRANSCRIPTION FACTOR SITE 2 PROTEASE
Hgig_01994
Hgig_01995CYTOCHROME B5
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