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_00996CADHERIN-87A
Hgig_00997CADHERIN-23
Hgig_00998CADHERIN-87A
Hgig_00999E3 UBIQUITIN-PROTEIN LIGASE SHPRH FAMILY MEMBER
Hgig_01000
Hgig_01001UNCHARACTERIZED
Hgig_01002SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_01003SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_01004SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_01005SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_01006SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_01007
Hgig_01008IONOTROPIC GLUTAMATE RECEPTOR
Hgig_01009SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_01010
Hgig_01011
Hgig_01012NYD-SP28 PROTEIN
Hgig_01013ZINC FINGER, CCHC DOMAIN CONTAINING 8
Hgig_01014ZINC FINGER, CCHC DOMAIN CONTAINING 8
Hgig_01015CYTOCHROME P450 FAMILY 4
Hgig_01016CYTOCHROME P450 FAMILY 4
Hgig_01017PROTEIN IWS1 HOMOLOG
Hgig_01018PROTEIN CBG27172
Hgig_01019
Hgig_01020
Hgig_01021PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_01022ENDOPLASMIC RETICULUM RESIDENT PROTEIN 44
Hgig_01023
Hgig_01024RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_01025TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_01026
Hgig_01027
Hgig_01028
Hgig_01029
Hgig_01030U7 SNRNA-ASSOCIATED SM-LIKE PROTEIN LSM10
Hgig_01031U7 SNRNA-ASSOCIATED SM-LIKE PROTEIN LSM10
Hgig_01032
Hgig_01033
Hgig_01034ATP-BINDING CASSETTE SUB-FAMILY B
Hgig_01035
Hgig_01036
Hgig_01037
Hgig_01038
Hgig_01039NUCLEAR HORMONE RECEPTOR
Hgig_01040
Hgig_01041
Hgig_01042
Hgig_01043SERINE/ARGININE-RICH SPLICING FACTOR
Hgig_01044CELL CYCLE CONTROL PROTEIN CWF15
Hgig_01045WD-40 REPEAT PROTEIN
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