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_26949
Hgig_26950HISTONE H2A
Hgig_26951
Hgig_26952WW DOMAIN BINDING PROTEIN 2, ISOFORM E
Hgig_26953PEPTIDYL-GLYCINE ALPHA-AMIDATING MONOOXYGENASE
Hgig_26954SUPPRESSOR OF TY 5
Hgig_26955
Hgig_26956CORONIN
Hgig_26957
Hgig_26958
Hgig_26959EGF-LIKE-DOMAIN, MULTIPLE 7, 8
Hgig_26960EGF-LIKE-DOMAIN, MULTIPLE 7, 8
Hgig_26961
Hgig_26962ALKALINE PHOSPHATASE
Hgig_26963ALKALINE PHOSPHATASE
Hgig_26964PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE
Hgig_26965
Hgig_26966
Hgig_26967ZINC FINGER PROTEIN
Hgig_26968
Hgig_26969
Hgig_26970
Hgig_26971
Hgig_26972IONOTROPIC GLUTAMATE RECEPTOR
Hgig_26973TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_26974ALPHA/BETA HYDROLASE DOMAIN-CONTAINING PROTEIN
Hgig_26975
Hgig_26976CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_26977
Hgig_26978
Hgig_26979CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_26980BASIGIN RELATED
Hgig_26981BASIGIN RELATED
Hgig_26982
Hgig_26983
Hgig_26984TITIN
Hgig_26985
Hgig_26986
Hgig_26987SUSHI DOMAIN-CONTAINING PROTEIN 1
Hgig_26988
Hgig_26989
Hgig_26990RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE
Hgig_26991
Hgig_26992CYTOKINE RECEPTOR
Hgig_26993
Hgig_26994
Hgig_26995
Hgig_26996UNCHARACTERIZED
Hgig_26997
Hgig_26998
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