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_03146ZINC FINGER PROTEIN
Hgig_03147UNCHARACTERIZED
Hgig_03148
Hgig_03149
Hgig_03150DIMETHYLADENOSINE TRANSFERASE
Hgig_03151
Hgig_03152
Hgig_03153SYNAPTOSOMAL ASSOCIATED PROTEIN
Hgig_03154
Hgig_03155
Hgig_03156
Hgig_03157GLYCOSYLTRANSFERASE
Hgig_03158PERIOSTIN-RELATED
Hgig_03159
Hgig_03160CALCIUM-TRANSPORTING ATPASE
Hgig_03161EXOSTOSIN HEPARAN SULFATE GLYCOSYLTRANSFERASE -RELATED
Hgig_03162
Hgig_03163ACETYLGLUCOSAMINYLTRANSFERASE
Hgig_03164PROTEIN CBG27172
Hgig_03165
Hgig_03166
Hgig_03167
Hgig_03168
Hgig_03169
Hgig_03170
Hgig_03171ANNEXIN
Hgig_03172
Hgig_03173
Hgig_03174MATRIX METALLOPROTEINASE
Hgig_03175MATRIX METALLOPROTEINASE
Hgig_03176POLY(U)-BINDING-SPLICING FACTOR PUF60-B-RELATED
Hgig_03177
Hgig_03178TETRASPANIN
Hgig_03179
Hgig_03180
Hgig_03181PERIOSTIN-RELATED
Hgig_03182ACROSIN-RELATED
Hgig_03183
Hgig_03184HOMOLOGOUS TO DROSOPHILA SQD (SQUID) PROTEIN
Hgig_03185PROTEIN SIDEKICK
Hgig_03186
Hgig_03187DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_03188GUANINE NUCLEOTIDE-BINDING PROTEIN BETA G PROTEIN BETA
Hgig_03189
Hgig_03190
Hgig_03191
Hgig_03192REVERSE TRANSCRIPTASE
Hgig_03193PROTEIN CBG27172
Hgig_03194
Hgig_03195L-ASPARAGINASE
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