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_25599POLY A POLYMERASE
Hgig_25600STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25601ANKYRIN REPEAT AND BTB/POZ DOMAIN-CONTAINING
Hgig_25602STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25603ANKYRIN REPEAT AND BTB/POZ DOMAIN-CONTAINING
Hgig_2560439S RIBOSOMAL PROTEIN L40, MITOCHONDRIAL
Hgig_25605
Hgig_25606PROTEIN CBG27172
Hgig_25607
Hgig_25608
Hgig_25609
Hgig_25610HEXOKINASE
Hgig_25611
Hgig_25612CARBOHYDRATE SULFOTRANSFERASE
Hgig_25613
Hgig_25614
Hgig_25615
Hgig_25616
Hgig_25617REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_256185'-NUCLEOTIDASE DOMAIN-CONTAINING
Hgig_25619
Hgig_25620
Hgig_25621
Hgig_25622
Hgig_25623YTH YT521-B HOMOLOGY DOMAIN-CONTAINING
Hgig_25624
Hgig_25625
Hgig_25626-
Hgig_25627
Hgig_25628
Hgig_25629-
Hgig_25630LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_25631
Hgig_25632
Hgig_25633
Hgig_25634
Hgig_25635
Hgig_25636
Hgig_25637
Hgig_25638SUPERKILLER 3 PROTEIN-RELATED
Hgig_25639PROTEIN CBG27172
Hgig_25640
Hgig_25641PROTEASE FAMILY C15 PYROGLUTAMYL-PEPTIDASE I-RELATED
Hgig_25642
Hgig_25643PROTEASE FAMILY C15 PYROGLUTAMYL-PEPTIDASE I-RELATED
Hgig_25644TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_25645CYTOCHROME C OXIDASE SUBUNIT 5B, MITOCHONDRIAL
Hgig_25646UNCHARACTERIZED
Hgig_25647ZINC FINGER CCCH DOMAIN-CONTAINING PROTEI
Hgig_25648NGFI-A BINDING PROTEIN
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