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_24947LIPOMA HMGIC FUSION PARTNER-LIKE PROTEIN
Hgig_24948CADHERIN-23
Hgig_24949
Hgig_24950FAT ATYPICAL CADHERIN-RELATED
Hgig_24951CADHERIN-23
Hgig_24952
Hgig_24953RCC1-LIKE G EXCHANGING FACTOR-LIKE PROTEIN
Hgig_24954
Hgig_24955
Hgig_24956AGAP008228-PA
Hgig_24957AGAP008228-PA
Hgig_24958
Hgig_24959INTRAFLAGELLAR TRANSPORT PROTEIN 81 HOMOLOG
Hgig_24960VESICLE PROTEIN SORTING-ASSOCIATED
Hgig_24961
Hgig_24962PHOSPHATIDYLCHOLINE TRANSFER PROTEIN
Hgig_24963PRE-MRNA-PROCESSING PROTEIN PRP40
Hgig_24964PRE-MRNA-PROCESSING PROTEIN PRP40
Hgig_24965PROTEIN-TYROSINE-PHOSPHATASE
Hgig_24966
Hgig_24967TRNA N6-ADENOSINE THREONYLCARBAMOYLTRANSFERASE
Hgig_24968TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24969
Hgig_24970
Hgig_24971PHOSPHOINOSITIDE-SPECIFIC PHOSPHOLIPASE C FAMILY PROTEIN
Hgig_24972
Hgig_24973FACIOGENITAL DYSPLASIA PROTEIN
Hgig_24974
Hgig_24975
Hgig_24976
Hgig_24977PELOTA
Hgig_24978PHD-TYPE DOMAIN-CONTAINING PROTEIN
Hgig_24979EUKARYOTIC TRANSLATION INITIATION FACTOR 2-ALPHA KINASE EIF2-ALPHA KINASE -RELATED
Hgig_24980TESTIS EXPRESSED GENE 14
Hgig_24981
Hgig_24982FMS INTERACTING PROTEIN
Hgig_24983
Hgig_24984
Hgig_24985
Hgig_24986METHYL-CPG-BINDING PROTEIN
Hgig_24987TRANSPOSABLE ELEMENT-RELATED
Hgig_24988
Hgig_24989
Hgig_24990PROTEIN INTURNED
Hgig_24991
Hgig_24992RECQ-MEDIATED GENOME INSTABILITY PROTEIN 1 RMI1
Hgig_24993
Hgig_249945'-AMP-ACTIVATED PROTEIN KINASE , BETA SUBUNIT
Hgig_24995PROTEIN TINCAR
Hgig_24996PROTEIN TINCAR
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