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_23647
Hgig_23648INTEGRIN ALPHA
Hgig_23649
Hgig_23650GEO13361P1-RELATED
Hgig_23651
Hgig_23652CUTICLE PROTEIN
Hgig_23653
Hgig_23654STRUCTURE-SPECIFIC ENDONUCLEASE SUBUNIT SLX1
Hgig_23655-
Hgig_23656IONOTROPIC GLUTAMATE RECEPTOR
Hgig_23657RAS-LIKE FAMILY MEMBER 11
Hgig_23658
Hgig_23659BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_23660NUCLEAR TRANSPORT FACTOR 2
Hgig_23661DNAJ HOMOLOG SUBFAMILY A MEMBER 3, MITOCHONDRIAL
Hgig_23662
Hgig_23663
Hgig_23664ZINC FINGER PROTEIN
Hgig_23665TRANSPOSABLE ELEMENT-RELATED
Hgig_23666ANGIOTENSIN-CONVERTING ENZYME
Hgig_23667
Hgig_23668
Hgig_23669FORMIN HOMOLOGY 2 DOMAIN CONTAINING, ISOFORM I
Hgig_23670PEPTIDASE
Hgig_23671PROTEIN BNI1
Hgig_23672GLUTATHIONE S TRANSFERASE D10, ISOFORM A-RELATED
Hgig_23673
Hgig_23674
Hgig_23675REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_23676
Hgig_23677METABOTROPIC GLUTAMATE RECEPTOR
Hgig_23678
Hgig_23679
Hgig_23680
Hgig_23681REVERSE TRANSCRIPTASE
Hgig_23682TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23683
Hgig_23684
Hgig_23685TUBULIN
Hgig_23686OVOCHYMASE-RELATED
Hgig_23687
Hgig_23688TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23689OVOCHYMASE-RELATED
Hgig_23690REVERSE TRANSCRIPTASE
Hgig_23691
Hgig_23692
Hgig_23693
Hgig_23694
Hgig_23695REVERSE TRANSCRIPTASE
Hgig_23696REVERSE TRANSCRIPTASE
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