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_07847PYRIDOXAL KINASE
Hgig_07848INSULIN GENE ENHANCER PROTEIN
Hgig_07849
Hgig_07850
Hgig_07851NEUROTRANSMITTER GATED ION CHANNEL
Hgig_07852NEUROTRANSMITTER GATED ION CHANNEL
Hgig_07853
Hgig_07854NEUROTRANSMITTER GATED ION CHANNEL
Hgig_07855
Hgig_07856GALACTOSYLGALACTOSYLXYLOSYLPROTEIN 3-BETA-GLUCURONOSYLTRANSFERASE BETA-1,3-GLUCURONYLTRANSFERASE
Hgig_07857
Hgig_07858
Hgig_07859
Hgig_07860
Hgig_07861INNEXIN
Hgig_07862
Hgig_07863UNCHARACTERIZED
Hgig_07864UNCHARACTERIZED
Hgig_07865ARRESTIN
Hgig_07866SAM-DEPENDENT METHYLTRANSFERASE SUPERFAMILY PROTEIN
Hgig_07867
Hgig_07868
Hgig_07869UNCHARACTERIZED
Hgig_07870UNCHARACTERIZED
Hgig_07871SAM-DEPENDENT METHYLTRANSFERASE SUPERFAMILY PROTEIN
Hgig_07872ZINC METALLOPROTEASE FAMILY M13 NEPRILYSIN-RELATED
Hgig_07873STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07874STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07875STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07876STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07877STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07878STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07879STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07880STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07881REVERSE TRANSCRIPTASES
Hgig_07882STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07883FOLATE TRANSPORTER
Hgig_07884FOLATE TRANSPORTER
Hgig_07885PROTEASOME MATURATION PROTEIN UMP1
Hgig_07886PROTEASOME MATURATION PROTEIN UMP1
Hgig_07887PANTOTHENATE KINASE
Hgig_07888ENDONUCLEASE IV ENDODEOXYRIBONUCLEASE IV
Hgig_07889VESICLE TRANSPORT V-SNARE PROTEIN VTI1-RELATED
Hgig_07890
Hgig_07891PEROXISOMAL MEMBRANE PROTEIN 2, PXMP2 MPV17
Hgig_07892
Hgig_07893
Hgig_07894
Hgig_07895IONOTROPIC RECEPTOR 20A-RELATED
Hgig_078961,4-BETA-D-GLUCAN CELLOBIOHYDROLASE B
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