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_27049
Hgig_27050MOLTING PROTEIN MLT-4
Hgig_27051TRANSIENT RECEPTOR POTENTIAL CATION CHANNEL PROTEIN PAINLESS
Hgig_27052ANKYRIN REPEAT-CONTAINING
Hgig_27053TRANSIENT RECEPTOR POTENTIAL CATION CHANNEL PROTEIN PAINLESS
Hgig_27054E3 UBIQUITIN-PROTEIN LIGASE TRIM
Hgig_27055TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27056CALCINEURIN-BINDING PROTEIN CABIN 1-RELATED
Hgig_27057CALCINEURIN-BINDING PROTEIN CABIN 1-RELATED
Hgig_27058
Hgig_27059
Hgig_27060CALCINEURIN-BINDING PROTEIN CABIN 1-RELATED
Hgig_27061
Hgig_27062REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27063TRANSPOSON
Hgig_27064
Hgig_27065
Hgig_27066UNCHARACTERIZED
Hgig_27067ATP-DEPENDENT RNA HELICASE RHLE-RELATED
Hgig_27068
Hgig_27069ATP-DEPENDENT RNA HELICASE RHLE-RELATED
Hgig_27070ENDONUCLEASE
Hgig_27071ANION EXCHANGE PROTEIN
Hgig_27072ACTIVATING MOLECULE IN BECN1-REGULATED AUTOPHAGY PROTEIN 1
Hgig_27073ACTIVATING MOLECULE IN BECN1-REGULATED AUTOPHAGY PROTEIN 1
Hgig_27074
Hgig_27075
Hgig_27076
Hgig_27077
Hgig_27078CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_27079
Hgig_27080UNCHARACTERIZED
Hgig_27081
Hgig_27082ZINC FINGER PROTEIN
Hgig_27083
Hgig_27084
Hgig_27085PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_27086
Hgig_27087
Hgig_27088
Hgig_27089
Hgig_27090
Hgig_27091CGI-121 FAMILY MEMBER
Hgig_27092CGI-121 FAMILY MEMBER
Hgig_27093ZINC FINGER PROTEIN
Hgig_27094GLYCINE DEHYDROGENASE, DECARBOXYLATING
Hgig_27095
Hgig_27096BERNARDINELLI-SEIP CONGENITAL LIPODYSTROPHY 2 HOMOLOG BSCL2 PROTEIN
Hgig_27097BERNARDINELLI-SEIP CONGENITAL LIPODYSTROPHY 2 HOMOLOG BSCL2 PROTEIN
Hgig_27098PARTNER OF XRN-2 PROTEIN 1
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