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_02096
Hgig_02097
Hgig_02098
Hgig_02099
Hgig_02100
Hgig_02101BETA-GALACTOSIDASE RELATED
Hgig_02102EGF-LIKE DOMAIN-CONTAINING PROTEIN
Hgig_02103COLLAGEN ALPHA
Hgig_02104COLLAGEN ALPHA
Hgig_02105COLLAGEN ALPHA
Hgig_02106COLLAGEN ALPHA
Hgig_02107
Hgig_02108
Hgig_02109
Hgig_02110
Hgig_02111
Hgig_02112
Hgig_02113ANKYRIN REPEAT DOMAIN-CONTAINING PROTEIN 60
Hgig_02114
Hgig_02115SMALL MEMBRANE PROTEIN-RELATED
Hgig_02116HEAT SHOCK PROTEIN HSP-12.2-RELATED
Hgig_02117
Hgig_02118
Hgig_02119
Hgig_02120
Hgig_02121
Hgig_02122TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_02123TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02124PROTEIN CBG26694
Hgig_02125
Hgig_02126TRANSPOSABLE ELEMENT-RELATED
Hgig_02127
Hgig_02128
Hgig_02129
Hgig_02130
Hgig_02131
Hgig_02132
Hgig_02133
Hgig_02134TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02135
Hgig_02136
Hgig_02137
Hgig_02138TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02139
Hgig_02140
Hgig_02141
Hgig_02142REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_02143
Hgig_02144WD REPEAT PROTEIN
Hgig_02145TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
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