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_19597AAA DOMAIN-CONTAINING
Hgig_19598
Hgig_19599
Hgig_19600
Hgig_19601
Hgig_19602SH3 DOMAIN-CONTAINING
Hgig_19603CHITINASE
Hgig_19604ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_19605ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_19606
Hgig_19607
Hgig_19608
Hgig_19609
Hgig_19610CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_19611
Hgig_19612PHOX (PX) DOMAIN-CONTAINING PROTEIN
Hgig_19613
Hgig_19614SNF2/RAD54 HELICASE FAMILY
Hgig_19615TUBULIN
Hgig_19616
Hgig_19617INSCUTEABLE
Hgig_19618INSCUTEABLE
Hgig_19619
Hgig_19620
Hgig_19621
Hgig_19622
Hgig_19623
Hgig_19624
Hgig_19625
Hgig_19626UBIQUITIN SPECIFIC PROTEASE HOMOLOG 49
Hgig_19627
Hgig_19628ELKS/RAB6-INTERACTING/CAST PROTEIN
Hgig_19629ELKS/RAB6-INTERACTING/CAST PROTEIN
Hgig_19630ELKS/RAB6-INTERACTING/CAST PROTEIN
Hgig_19631CS DOMAIN-CONTAINING PROTEIN
Hgig_19632SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_19633
Hgig_19634WSCD FAMILY MEMBER CG9164
Hgig_19635
Hgig_19636
Hgig_19637MOLYBDENUM COFACTOR BIOSYNTHESIS
Hgig_19638
Hgig_19639
Hgig_19640
Hgig_19641BCL-2 RELATED
Hgig_19642TRANSPOSABLE ELEMENT-RELATED
Hgig_19643
Hgig_19644INTEGRATOR COMPLEX SUBUNIT 3
Hgig_19645
Hgig_19646RIBOSOMAL PROTEIN L13
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