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_07596POTASSIUM CHANNEL, SUBFAMILY K
Hgig_07597
Hgig_07598TBC1 DOMAIN FAMILY MEMBER GTPASE-ACTIVATING PROTEIN
Hgig_07599
Hgig_07600
Hgig_07601
Hgig_07602
Hgig_07603
Hgig_07604PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_07605PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_07606METHIONINE--TRNA LIGASE
Hgig_07607
Hgig_07608MRNA EXPORT FACTOR AND BUB3
Hgig_07609
Hgig_07610RIBOSOMAL PROTEIN L5-RELATED
Hgig_07611
Hgig_07612
Hgig_07613
Hgig_07614
Hgig_07615
Hgig_07616RNA PROCESSING PROTEIN LD23810P
Hgig_07617
Hgig_07618DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_07619MICROSOMAL DIPEPTIDASE
Hgig_07620
Hgig_07621
Hgig_07623PURPLE ACID PHOSPHATASE
Hgig_07624
Hgig_07625
Hgig_07626EXOSOME COMPLEX COMPONENT
Hgig_07627DEOXYNUCLEOSIDE KINASE
Hgig_07628G-PROTEIN COUPLED RECEPTOR FAMILY 1 MEMBER
Hgig_07629
Hgig_07630
Hgig_07631COLLAGEN ALPHA
Hgig_07632PROTEIN CBG27172
Hgig_07633COLLAGEN ALPHA
Hgig_07634
Hgig_07635
Hgig_07636PHOSPHATIDYLINOSITOL KINASE
Hgig_07637SAP18
Hgig_07638ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_07639
Hgig_07640PHOSPHATIDYLINOSITOL KINASE
Hgig_07641
Hgig_0764240S RIBOSOMAL PROTEIN S27
Hgig_07643PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1
Hgig_07644REVERSE TRANSCRIPTASES
Hgig_07645PROLIFERATING CELL NUCLEAR ANTIGEN
Hgig_0764640S RIBOSOMAL PROTEIN S27
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