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_21747PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_21748
Hgig_21749PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_21750FRATAXIN
Hgig_21751SIMILAR TO KIAA0825 PROTEIN
Hgig_21752
Hgig_21753
Hgig_21754
Hgig_21755UNCHARACTERIZED
Hgig_21756UNCHARACTERIZED
Hgig_21757
Hgig_21758TRANSDUCIN BETA-LIKE 3
Hgig_21759ALPHA-(1,3)-FUCOSYLTRANSFERASE C-RELATED
Hgig_21760ALPHA-(1,3)-FUCOSYLTRANSFERASE C-RELATED
Hgig_21761PROKARYOTIC DNA TOPOISOMERASE
Hgig_21762
Hgig_21763
Hgig_21764
Hgig_21765PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_21766TUBERIN
Hgig_21767TUBERIN
Hgig_21768
Hgig_21769TUBERIN
Hgig_21770RIKEN CDNA 2310061I04 GENE
Hgig_21771TUBERIN
Hgig_21772AMNIONLESS
Hgig_21773
Hgig_21774
Hgig_21775RIBOSOME BIOGENESIS PROTEIN TSR3 HOMOLOG
Hgig_21776RIBOSOME BIOGENESIS PROTEIN TSR3 HOMOLOG
Hgig_21777
Hgig_21778FATTY ACID BINDING PROTEIN
Hgig_21779
Hgig_21780
Hgig_21781
Hgig_21782
Hgig_21783
Hgig_2178460S RIBOSOMAL PROTEIN L22
Hgig_21785
Hgig_21786
Hgig_21787
Hgig_21788
Hgig_21789
Hgig_21790TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_21791MYOSIN REGULATORY LIGHT CHAIN 2
Hgig_21792
Hgig_21793KINESIN-RELATED
Hgig_21794
Hgig_21795FI07246P-RELATED-RELATED
Hgig_21796BREAST CANCER ANTI-ESTROGEN RESISTANCE PROTEIN 3 HOMOLOG-LIKE PROTEIN
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