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_19847ATP-DEPENDENT RNA HELICASE RHLE-RELATED
Hgig_19848WNT RELATED
Hgig_19849
Hgig_19850WNT RELATED
Hgig_19851REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_19852
Hgig_19853
Hgig_19854
Hgig_19855
Hgig_19856CELL DIVISION PROTEIN KINASE
Hgig_19857
Hgig_19858
Hgig_19859
Hgig_19860REVERSE TRANSCRIPTASE
Hgig_19861RIBOFLAVIN TRANSPORTER RIBJ
Hgig_19862
Hgig_19863TITIN
Hgig_19864
Hgig_19865EPM2A-INTERACTING PROTEIN 1
Hgig_19866REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_19867
Hgig_19868ENDONUCLEASE-RELATED
Hgig_19869
Hgig_19870
Hgig_19871PROTEIN CBG27172
Hgig_19872TOL-PAL SYSTEM PROTEIN TOLA
Hgig_19873
Hgig_19874
Hgig_19875CHITINASE
Hgig_19876
Hgig_19877CHITINASE
Hgig_19878
Hgig_19879
Hgig_19880
Hgig_19881ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_19882SMOOTH MUSCLE MYOSIN HEAVY CHAIN-RELATED
Hgig_19883
Hgig_19884
Hgig_19885SET DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_19886
Hgig_19887PIGGYBAC TRANSPOSABLE ELEMENT-DERIVED PROTEIN 4
Hgig_19888
Hgig_19889SET DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_19890
Hgig_19891
Hgig_19892
Hgig_19893
Hgig_19894
Hgig_19895
Hgig_19896SI:CH211-196P9.1-RELATED
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