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_18047
Hgig_18048
Hgig_18049
Hgig_18050THIOREDOXIN PEROXIDASE
Hgig_18051REVERSE TRANSCRIPTASES
Hgig_18052ARP2/3 COMPLEX 21 KD SUBUNIT
Hgig_18053PROTEIN ARGININE N-METHYLTRANSFERASE
Hgig_18054
Hgig_18055PR DOMAIN ZINC FINGER PROTEIN
Hgig_18056ZINC FINGER PROTEIN
Hgig_18057ZINC FINGER PROTEIN
Hgig_18058ZINC FINGER AND SCAN DOMAIN-CONTAINING
Hgig_18059ZINC FINGER PROTEIN
Hgig_18060ZINC FINGER PROTEIN 142
Hgig_18061ZINC FINGER PROTEIN
Hgig_18062
Hgig_18063ZINC FINGER PROTEIN
Hgig_18064
Hgig_18065ZINC FINGER PROTEIN
Hgig_18066ENDONUCLEASE-RELATED
Hgig_18067ZINC FINGER PROTEIN
Hgig_18068
Hgig_18069ZINC FINGER PROTEIN
Hgig_18070ZINC FINGER AND SCAN DOMAIN-CONTAINING
Hgig_18071
Hgig_18072ZINC FINGER PROTEIN
Hgig_18073ZINC FINGER PROTEIN
Hgig_18074ZINC FINGER PROTEIN
Hgig_18075ZINC FINGER PROTEIN
Hgig_18076PROTEIN CBG27172
Hgig_18077ZINC FINGER PROTEIN ZIC AND GLI
Hgig_18078ZINC FINGER PROTEIN
Hgig_18079ZINC FINGER PROTEIN
Hgig_18080
Hgig_18081
Hgig_18082ZINC FINGER PROTEIN
Hgig_18083ZINC FINGER PROTEIN
Hgig_18084ZINC FINGER PROTEIN
Hgig_18085
Hgig_18086
Hgig_18087
Hgig_18088
Hgig_18089REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_18090
Hgig_18091ZINC FINGER PROTEIN
Hgig_18092
Hgig_18093TRANSPOSABLE ELEMENT-RELATED
Hgig_18094
Hgig_18095ZINC FINGER PROTEIN
Hgig_18096REVERSE TRANSCRIPTASE
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