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_25999
Hgig_26000
Hgig_26001
Hgig_26002
Hgig_26003
Hgig_26004
Hgig_26005
Hgig_26006PROTEASE FAMILY C26 GAMMA-GLUTAMYL HYDROLASE
Hgig_26007
Hgig_26008MITOCHONDRIAL IMPORT INNER MEMBRANE TRANSLOCASE SUBUNIT TIM9B
Hgig_26009ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_26010MITOCHONDRIAL IMPORT INNER MEMBRANE TRANSLOCASE SUBUNIT TIM9B
Hgig_26011
Hgig_26012MULTIVESICULAR BODY SUBUNIT 12B
Hgig_26013UNCHARACTERIZED
Hgig_26014PROTEASE FAMILY C26 GAMMA-GLUTAMYL HYDROLASE
Hgig_26015PROTEASE FAMILY C26 GAMMA-GLUTAMYL HYDROLASE
Hgig_26016SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_26017RIBOSOMAL PROTEIN L7AE FAMILY MEMBER
Hgig_26018DESTABILASE-RELATED
Hgig_26019DESTABILASE-RELATED
Hgig_26020
Hgig_26021
Hgig_26022
Hgig_26023BUCENTAUR RELATED
Hgig_26024PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_26025
Hgig_26026PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_26027CLUSTERIN ASSOCIATED PROTEIN 1
Hgig_26028
Hgig_26029SOX TRANSCRIPTION FACTOR
Hgig_26030
Hgig_26031
Hgig_26032
Hgig_26033
Hgig_26034
Hgig_26035
Hgig_26036SOX TRANSCRIPTION FACTOR
Hgig_26037SOX TRANSCRIPTION FACTOR
Hgig_26038
Hgig_26039COATOMER
Hgig_26040DYNEIN HEAVY CHAIN 1, AXONEMAL-LIKE PROTEIN
Hgig_26041
Hgig_26042DYNEIN HEAVY CHAIN
Hgig_26043DYNEIN HEAVY CHAIN
Hgig_26044
Hgig_26045REVERSE TRANSCRIPTASE
Hgig_26046GERANYLGERANYL PYROPHOSPHATE SYNTHASE
Hgig_26047GERANYLGERANYL PYROPHOSPHATE SYNTHASE
Hgig_26048
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