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_18447
Hgig_18448
Hgig_18449
Hgig_18450METAXIN RELATED
Hgig_18451UNCHARACTERIZED
Hgig_18452
Hgig_18453
Hgig_18454METAXIN RELATED
Hgig_18455
Hgig_18456
Hgig_18457
Hgig_18458
Hgig_18459
Hgig_18460
Hgig_18461
Hgig_18462
Hgig_18463
Hgig_18464
Hgig_18465
Hgig_18466SRCR DOMAIN-CONTAINING PROTEIN
Hgig_18467
Hgig_18468
Hgig_18469
Hgig_18470
Hgig_18471LIPASE
Hgig_18472
Hgig_18473SIGNAL RECOGNITION PARTICLE 14 KD PROTEIN
Hgig_18474U3 SMALL NUCLEOLAR RIBONUCLEOPROTEIN PROTEIN IMP4
Hgig_18475RING FINGER AND CHY ZINC FINGER DOMAIN-CONTAINING PROTEIN 1
Hgig_18476PHOSPHATASE, ORPHAN 1, 2
Hgig_18477NEUROTRANSMITTER GATED ION CHANNEL
Hgig_18478SMALL UBIQUITIN-RELATED MODIFIER
Hgig_18479
Hgig_18480SMALL UBIQUITIN-RELATED MODIFIER
Hgig_18481
Hgig_18482DNA MISMATCH REPAIR PROTEIN MUTS FAMILY MEMBER
Hgig_18483D-2-HYDROXYGLUTARATE DEHYDROGENASE, MITOCHONDRIAL
Hgig_18484PROTEASE FAMILY S9B,C DIPEPTIDYL-PEPTIDASE IV-RELATED
Hgig_18485ANKYRIN REPEAT FAMILY PROTEIN
Hgig_18486CHLORIDE CHANNEL PROTEIN 2
Hgig_18487CHLORIDE CHANNEL PROTEIN 2
Hgig_18488SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_18489SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_18490
Hgig_18491SPERMATOGENESIS ASSOCIATED 11-RELATED
Hgig_18492
Hgig_18493
Hgig_18494
Hgig_18495BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, HES-RELATED
Hgig_18496BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, HES-RELATED
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