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_06596ZINC FINGER PROTEIN
Hgig_06597PROTEIN CBG26694
Hgig_06598
Hgig_06599
Hgig_06600
Hgig_06601FINGER PUTATIVE TRANSCRIPTION FACTOR FAMILY-RELATED
Hgig_06602
Hgig_06603POLY [ADP-RIBOSE] POLYMERASE
Hgig_06604FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_06605FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_06606INTEGRIN ALPHA
Hgig_06607ZINC FINGER PROTEIN
Hgig_06608REVERSE TRANSCRIPTASE
Hgig_06609
Hgig_06610PROTEIN CBG27172
Hgig_06611
Hgig_06612
Hgig_06613
Hgig_06614
Hgig_06615
Hgig_06616
Hgig_06617METHYLTRANSFERASE-RELATED
Hgig_06618PROTEIN CBG27172
Hgig_06619
Hgig_06620METHYLTRANSFERASE-RELATED
Hgig_06621REVERSE TRANSCRIPTASE
Hgig_06622METHYLTRANSFERASE-RELATED
Hgig_06623
Hgig_06624
Hgig_06625CGI-41 METHYLTRANSFERASE
Hgig_06626
Hgig_06627CGI-41 METHYLTRANSFERASE
Hgig_06628REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_06629
Hgig_06630
Hgig_06631
Hgig_06632
Hgig_06633
Hgig_06634
Hgig_06635MITOCHONDRIAL BASIC AMINO ACIDS TRANSPORTER-RELATED
Hgig_06636
Hgig_06637LD33804P
Hgig_06638
Hgig_06639
Hgig_06640PROTEIN CBG26694
Hgig_06641
Hgig_06642BUCENTAUR RELATED
Hgig_06643LD33804P
Hgig_06644
Hgig_06645
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