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_01796MUSCLE-SPECIFIC PROTEIN 300 KDA, ISOFORM G
Hgig_01797MUSCLE-SPECIFIC PROTEIN 300 KDA, ISOFORM G
Hgig_01798NEUROPEPTIDE Y RECEPTOR
Hgig_01799NEUROPEPTIDE Y RECEPTOR
Hgig_01800
Hgig_01801FI18240P1-RELATED
Hgig_01802
Hgig_01803ADAM A DISINTEGRIN AND METALLOPROTEASE DOMAIN
Hgig_01804
Hgig_01805EYES ABSENT
Hgig_01806EYES ABSENT
Hgig_01807EYES ABSENT
Hgig_01808
Hgig_01809TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_01810DISCS LARGE
Hgig_01811TRANSPOSABLE ELEMENT-RELATED
Hgig_01812WD40 REPEAT PROTEIN
Hgig_01813PROTEIN FOLDING REGULATOR
Hgig_01814
Hgig_01815ATP-DEPENDENT RNA HELICASE
Hgig_01816ATP-DEPENDENT RNA HELICASE
Hgig_01817PHD/F-BOX CONTAINING PROTEIN
Hgig_01818PHD/F-BOX CONTAINING PROTEIN
Hgig_01819ATP-DEPENDENT RNA HELICASE
Hgig_01820IONOTROPIC RECEPTOR 20A-RELATED
Hgig_01821IONOTROPIC RECEPTOR 20A-RELATED
Hgig_01822IONOTROPIC RECEPTOR 20A-RELATED
Hgig_01823GUANYL-NUCLEOTIDE EXCHANGE FACTOR
Hgig_01824
Hgig_01825
Hgig_01826PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_01827
Hgig_01828PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_01829DISCOIDIN, CUB, EGF, LAMININ , AND ZINC METALLOPROTEASE DOMAIN CONTAINING
Hgig_01830F-ACTIN-CAPPING PROTEIN SUBUNIT BETA
Hgig_01831LATE EMBRYOGENESIS ABUNDANT PLANTS LEA-RELATED
Hgig_01832SPERMATOGENESIS-ASSOCIATED PROTEIN 6 SPATA6
Hgig_01833TEX2 PROTEIN-RELATED
Hgig_01834
Hgig_01835
Hgig_01836
Hgig_01837BAP28
Hgig_01838
Hgig_01839
Hgig_01840BAP28
Hgig_01841
Hgig_01842
Hgig_01843
Hgig_01844NEUROTRANSMITTER GATED ION CHANNEL
Hgig_01845
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