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_25899
Hgig_25900
Hgig_25901
Hgig_25902
Hgig_25903
Hgig_25904AB HYDROLASE SUPERFAMILY PROTEIN C4A8.06C
Hgig_25905
Hgig_25906
Hgig_25907DOPAMINE BETA HYDROXYLASE RELATED
Hgig_25908PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_25909PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_25910
Hgig_25911
Hgig_25912
Hgig_25913SYNAPTIC ADHESION-LIKE MOLECULE SALM
Hgig_25914PR DOMAIN ZINC FINGER PROTEIN
Hgig_25915
Hgig_25916MIDASIN-RELATED
Hgig_25917SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_25918REVERSE TRANSCRIPTASE
Hgig_25919
Hgig_25920CHASCON, ISOFORM D-RELATED
Hgig_25921TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25922ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_25923PROTEIN CBG27172
Hgig_25924
Hgig_25925
Hgig_25926-
Hgig_25927-
Hgig_25928TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_25929ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_25930CALICYLIN BINDING PROTEIN
Hgig_25931
Hgig_25932E3 UBIQUITIN-PROTEIN LIGASE TRIM
Hgig_25933
Hgig_25934
Hgig_25935
Hgig_25936
Hgig_25937
Hgig_25938GERANYLGERANYL PYROPHOSPHATE SYNTHASE
Hgig_25939
Hgig_25940GERANYLGERANYL PYROPHOSPHATE SYNTHASE
Hgig_25941
Hgig_25942RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE
Hgig_25943
Hgig_25944RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE
Hgig_25945IONOTROPIC RECEPTOR 20A-RELATED
Hgig_25946
Hgig_25947
Hgig_25948
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