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_26149PROTEIN SIDEKICK
Hgig_26150
Hgig_26151REVERSE TRANSCRIPTASES
Hgig_26152ANION EXCHANGE PROTEIN
Hgig_26153ANION EXCHANGE PROTEIN
Hgig_26154NICE-3
Hgig_26155NICE-3
Hgig_26156GLYCEROL-3-PHOSPHATE DEHYDROGENASE
Hgig_26157
Hgig_26158ETS
Hgig_26159TRIACYLGLYCEROL LIPASE
Hgig_26160POU DOMAIN
Hgig_26161RIBOSOMAL PROTEIN L5-RELATED
Hgig_26162
Hgig_26163
Hgig_26164
Hgig_26165
Hgig_26166
Hgig_26167CUTICLE PROTEIN
Hgig_26168
Hgig_26169LARVAL STORAGE PROTEIN/PHENOLOXIDASE
Hgig_26170LARVAL STORAGE PROTEIN/PHENOLOXIDASE
Hgig_26171LARVAL STORAGE PROTEIN/PHENOLOXIDASE
Hgig_26172LARVAL STORAGE PROTEIN/PHENOLOXIDASE
Hgig_26173FRG1 PROTEIN
Hgig_26174
Hgig_26175
Hgig_26176
Hgig_26177FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_26178
Hgig_26179
Hgig_26180
Hgig_26181UBIQUITIN DOMAIN-CONTAINING PROTEIN UBFD1
Hgig_26182UBIQUITIN DOMAIN-CONTAINING PROTEIN UBFD1
Hgig_26183
Hgig_26184
Hgig_26185VACUOLAR PROTON ATPASES
Hgig_26186RIBOSOMAL PROTEIN L5-RELATED
Hgig_26187
Hgig_26188HECT DOMAIN UBIQUITIN-PROTEIN LIGASE
Hgig_26189HEAT SHOCK PROTEIN 70KDA
Hgig_26190HEAT SHOCK PROTEIN 70KDA
Hgig_26191GMP REDUCTASE
Hgig_26192
Hgig_26193
Hgig_26194
Hgig_26195
Hgig_26196
Hgig_26197
Hgig_26198DNAJ-LIKE-2, ISOFORM A-RELATED
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