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_22847PR DOMAIN ZINC FINGER PROTEIN
Hgig_22848
Hgig_22849
Hgig_22850
Hgig_22851
Hgig_22852BUCENTAUR RELATED
Hgig_22853TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_22854BASIC HELIX-LOOP-HELIX PROTEIN NEUROGENIN-RELATED
Hgig_22855OSJNBA0013A04.12 PROTEIN
Hgig_22856
Hgig_22857BEAT PROTEIN
Hgig_22858TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_22859
Hgig_22860EXPRESSED PROTEIN
Hgig_22861
Hgig_22862
Hgig_22863
Hgig_22864REVERSE TRANSCRIPTASES
Hgig_22865
Hgig_22866CLARIN
Hgig_22867PROTEIN CBG27172
Hgig_22868
Hgig_22869TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_22870CLARIN
Hgig_22871CLARIN
Hgig_22872RIBOSOMAL PROTEIN L5-RELATED
Hgig_22873
Hgig_22874WD REPEAT PROTEIN
Hgig_22875
Hgig_22876BETA-GALACTOSIDASE RELATED
Hgig_22877BETA-GALACTOSIDASE RELATED
Hgig_22878BETA-GALACTOSIDASE RELATED
Hgig_22879E3 UBIQUITIN-PROTEIN LIGASE TRIP12
Hgig_22880BETA-GALACTOSIDASE RELATED
Hgig_22881BETA-GALACTOSIDASE RELATED
Hgig_22882RING FINGER DOMAIN-CONTAINING
Hgig_22883ADP-RIBOSYLATION FACTOR GTPASE ACTIVATING PROTEIN 3, ISOFORM H-RELATED
Hgig_22884
Hgig_22885
Hgig_22886
Hgig_22887
Hgig_22888REVERSE TRANSCRIPTASES
Hgig_22889
Hgig_22890EXPORTIN 1/5
Hgig_22891RING BOX
Hgig_22892
Hgig_22893
Hgig_22894PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_22895WD REPEAT PROTEIN
Hgig_22896GLUTARYL-COA DEHYDROGENASE, MITOCHONDRIAL
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