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_07947ARGININE/SERINE RICH SPLICING FACTOR SF4/14
Hgig_07948
Hgig_07949PROTEIN PHOSPHATASE 1 REGULATORY SUBUNIT
Hgig_07950
Hgig_07951PROTEIN PHOSPHATASE 1 REGULATORY SUBUNIT
Hgig_07952UNCHARACTERIZED
Hgig_07953FI04487P
Hgig_07954
Hgig_07955FORMIN
Hgig_07956SEMAPHORIN
Hgig_07957SEMAPHORIN
Hgig_07958RING FINGER PROTEIN-RELATED
Hgig_07959RING FINGER PROTEIN-RELATED
Hgig_07960
Hgig_07961
Hgig_07962DEAD-BOX ATP-DEPENDENT RNA HELICASE 50
Hgig_07963ATP-BINDING CASSETTE, SUB-FAMILY D MEMBER
Hgig_07964
Hgig_07965CARBOHYDRATE SULFOTRANSFERASE
Hgig_07966IP22168P
Hgig_07967
Hgig_07968
Hgig_07969
Hgig_07970
Hgig_07971
Hgig_07972
Hgig_07973
Hgig_07974HYDROLASE
Hgig_07975DEOXYURIDINE 5'-TRIPHOSPHATE NUCLEOTIDOHYDROLASE
Hgig_07976ALKALINE PHOSPHATASE
Hgig_07977
Hgig_07978NUCLEAR PROTEIN E3-3
Hgig_0797940S RIBOSOMAL PROTEIN S7
Hgig_07980G-PROTEIN COUPLED RECEPTOR
Hgig_07981
Hgig_07982ZINC METALLOPROTEASE FAMILY M13 NEPRILYSIN-RELATED
Hgig_07983
Hgig_07984CYTOCHROME P450 508A4-RELATED
Hgig_07985LEUCINE-RICH PPR MOTIF-CONTAINING PROTEIN, MITOCHONDRIAL
Hgig_07986INOSITOL 5-PHOSPHATASE
Hgig_07987INOSITOL 5-PHOSPHATASE
Hgig_07988CERAMIDE GLUCOSYLTRANSFERASE
Hgig_07989
Hgig_07990CERAMIDE GLUCOSYLTRANSFERASE
Hgig_07991
Hgig_07992PROTEIN PHOSPHATASE 4 REGULATORY SUBUNIT 4 PPP4R4
Hgig_07993
Hgig_07994
Hgig_07995PROTEIN PHOSPHATASE 4 REGULATORY SUBUNIT 4 PPP4R4
Hgig_07996PHOSPHOTYROSINE INTERACTION DOMAIN-CONTAINING FAMILY MEMBER
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