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_08747
Hgig_08748TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08749TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08750
Hgig_08751IONOTROPIC GLUTAMATE RECEPTOR
Hgig_08752IONOTROPIC GLUTAMATE RECEPTOR
Hgig_08753TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08754
Hgig_08755
Hgig_08756PROTEIN C7ORF21
Hgig_08757PROTEIN CBG27172
Hgig_08758
Hgig_08759REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_08760FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_08761INSULIN-LIKE GROWTH FACTOR BINDING PROTEIN-RELATED
Hgig_08762PROTEIN CBG27172
Hgig_08763
Hgig_08764TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08765ORGANIC SOLUTE TRANSPORTER-RELATED
Hgig_08766
Hgig_08767POU DOMAIN
Hgig_08768SOMETHING ABOUT SILENCING PROTEIN 10-RELATED
Hgig_08769RIBONUCLEASE P_MRP PROTEIN SUBUNIT POP5
Hgig_08770MUSCLEBLIND-LIKE PROTEIN
Hgig_08771
Hgig_08772RIBONUCLEASE P_MRP PROTEIN SUBUNIT POP5
Hgig_08773MUSCLEBLIND-LIKE PROTEIN
Hgig_08774
Hgig_08775
Hgig_08776
Hgig_08777TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08778
Hgig_08779
Hgig_08780REVERSE TRANSCRIPTASE
Hgig_08781REVERSE TRANSCRIPTASE
Hgig_08782
Hgig_08783STRUCTURAL CONTITUENT OF CUTICLE
Hgig_08784STRUCTURAL CONTITUENT OF CUTICLE
Hgig_08785UNCHARACTERIZED
Hgig_08786NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08787NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08788NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08789NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08790MAP-KINASE ACTIVATING DEATH DOMAIN PROTEIN MADD /DENN/AEX-3 C.ELEGANS
Hgig_08791NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08792NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08793NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08794DNA ANNEALING HELICASE AND ENDONUCLEASE ZRANB3 FAMILY MEMBER
Hgig_08795
Hgig_08796RBR FAMILY RING FINGER AND IBR DOMAIN-CONTAINING
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