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_06696
Hgig_06697
Hgig_06698POLYCYSTIN FAMILY MEMBER
Hgig_06699
Hgig_06700
Hgig_06701
Hgig_06702POLYCYSTIN FAMILY MEMBER
Hgig_06703
Hgig_06704
Hgig_06705
Hgig_06706
Hgig_06707
Hgig_06708TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_06709
Hgig_06710
Hgig_06711LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED PROTEIN 2-RELATED
Hgig_06712
Hgig_06713TRANSCRIPTIONAL REPRESSOR PROTEIN YY
Hgig_06714
Hgig_06715GLUTATHIONE S-TRANSFERASE
Hgig_06716
Hgig_06717GLUTATHIONE S-TRANSFERASE
Hgig_06718-
Hgig_06719-
Hgig_06720
Hgig_06721PAIRED BOX PROTEIN PAX-6-RELATED-RELATED
Hgig_06722
Hgig_06723NEUROTRANSMITTER GATED ION CHANNEL
Hgig_06724-
Hgig_06725CYTOCHROME P450 FAMILY 4
Hgig_06726-
Hgig_06727
Hgig_06728-
Hgig_06729-
Hgig_06730-
Hgig_06731-
Hgig_06732-
Hgig_06733-
Hgig_06734-
Hgig_06735SI:CH211-262H13.3-RELATED-RELATED
Hgig_06736
Hgig_06737ZINC FINGER PROTEIN 142
Hgig_06738ZINC FINGER PROTEIN 142
Hgig_06739
Hgig_06740ZINC FINGER PROTEIN ZIC AND GLI
Hgig_06741ZNF44 PROTEIN
Hgig_06742
Hgig_06743PROTEIN CBG24663
Hgig_06744
Hgig_06745REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
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