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_06946OXIDOREDUCTASE HTATIP2
Hgig_06947TBC1 DOMAIN FAMILY MEMBER GTPASE-ACTIVATING PROTEIN
Hgig_06948VACUOLAR PROTEIN SORTING-ASSOCIATED PROTEIN VTA1 HOMOLOG
Hgig_06949PNAS-3 RELATED
Hgig_06950
Hgig_06951SOLUTE CARRIER FAMILY 17
Hgig_06952EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT F-RELATED
Hgig_06953MAJOR FACILITATOR SUPERFAMILY DOMAIN-CONTAINING PROTEIN 10
Hgig_06954DNAJ-LIKE-2, ISOFORM A-RELATED
Hgig_06955
Hgig_06956SERINE/THREONINE-PROTEIN PHOSPHATASE PP2A-RELATED
Hgig_06957PRE-MRNA-PROCESSING FACTOR 19
Hgig_06958
Hgig_06959PRE-MRNA-PROCESSING FACTOR 19
Hgig_06960
Hgig_06961UBIQUITIN-ACTIVATING ENZYME E1
Hgig_06962ADP RIBOSYLATION FACTOR-RELATED
Hgig_06963UBIQUITIN-ACTIVATING ENZYME E1
Hgig_06964ADP RIBOSYLATION FACTOR-RELATED
Hgig_06965SOLUTE CARRIER FAMILY 40 MEMBER
Hgig_06966
Hgig_06967OSJNBA0013A04.12 PROTEIN
Hgig_06968
Hgig_06969
Hgig_06970
Hgig_06971
Hgig_06972SYNTENIN RELATED
Hgig_06973FACIOGENITAL DYSPLASIA PROTEIN
Hgig_06974
Hgig_06975TREHALASE
Hgig_06976LIPASE
Hgig_06977ACONITATE HYDRATASE B
Hgig_06978ACONITATE HYDRATASE B
Hgig_06979ARYLSULFATASE FAMILY MEMBER
Hgig_06980FI18240P1-RELATED
Hgig_06981
Hgig_06982
Hgig_06983
Hgig_06984RNA RECOGNITION MOTIF RRM DOMAIN CONTAINING PROTEIN
Hgig_06985CARBOHYDRATE SULFOTRANSFERASE
Hgig_06986LIPASE
Hgig_06987LIPASE
Hgig_06988VOLTAGE-GATED POTASSIUM CHANNEL
Hgig_06989
Hgig_06990
Hgig_06991
Hgig_06992VOLTAGE-GATED POTASSIUM CHANNEL
Hgig_06993UNCHARACTERIZED
Hgig_06994
Hgig_06995VOLTAGE-GATED POTASSIUM CHANNEL
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