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_18547
Hgig_18548
Hgig_18549
Hgig_18550NUCLEOTIDE-SUGAR TRANSMEMBRANE TRANSPORTER
Hgig_18551PETER PAN-RELATED
Hgig_18552-
Hgig_18553-
Hgig_18554-
Hgig_18555
Hgig_18556
Hgig_18557
Hgig_18558REVERSE TRANSCRIPTASE
Hgig_18559
Hgig_18560WD REPEAT DOMAIN 44
Hgig_18561ALCOHOL DEHYDROGENASE
Hgig_18562ENDONUCLEASE-RELATED
Hgig_18563POL PROTEIN
Hgig_18564
Hgig_18565
Hgig_18566TETRATRICOPEPTIDE REPEAT PROTEIN 4
Hgig_18567
Hgig_1856840S RIBOSOMAL PROTEIN S25
Hgig_18569EGF-LIKE DOMAIN-CONTAINING PROTEIN
Hgig_18570
Hgig_18571
Hgig_18572
Hgig_18573UDP-N-ACETYLGLUCOSAMINE--PEPTIDE N-ACETYLGLUCOSAMINYLTRANSFERASE 110 KDA SUBUNIT
Hgig_18574
Hgig_18575EG:EG0003.4 PROTEIN-RELATED
Hgig_18576
Hgig_18577EG:EG0003.4 PROTEIN-RELATED
Hgig_18578EG:EG0003.4 PROTEIN-RELATED
Hgig_18579
Hgig_18580
Hgig_18581
Hgig_18582SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_18583
Hgig_18584
Hgig_18585
Hgig_18586STERILE20-LIKE KINASE, ISOFORM B-RELATED
Hgig_18587ZINC FINGER MIZ DOMAIN-CONTAINING PROTEIN
Hgig_18588
Hgig_18589SERINE/THREONINE-PROTEIN KINASE FRAY2
Hgig_18590
Hgig_18591
Hgig_18592CELL DIVISION PROTEIN KINASE
Hgig_18593
Hgig_18594NITRATE, FORMATE, IRON DEHYDROGENASE
Hgig_18595PYRIDINE NUCLEOTIDE-DISULFIDE OXIDOREDUCTASE DOMAIN-CONTAINING
Hgig_18596
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