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_20147CDC37-RELATED
Hgig_20148PROTEIN CBG27172
Hgig_20149BAND 7 PROTEIN-RELATED
Hgig_20150
Hgig_20151
Hgig_20152
Hgig_20153SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_20154SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_20155CALPAIN
Hgig_20156ZINC FINGER PROTEIN
Hgig_20157
Hgig_20158
Hgig_20159ZINC FINGER PROTEIN
Hgig_20160
Hgig_20161ZINC FINGER PROTEIN
Hgig_20162BAND 7 PROTEIN-RELATED
Hgig_20163TYROSINE SPECIFIC PROTEIN PHOSPHATASE AND DUAL SPECIFICITY PROTEIN PHOSPHATASE
Hgig_20164UNCHARACTERIZED RING FINGER-CONTAINING PROTEIN
Hgig_20165
Hgig_20166
Hgig_20167
Hgig_20168CONNECTIVE TISSUE GROWTH FACTOR-RELATED
Hgig_20169ADP-RIBOSYLATION FACTOR-LIKE PROTEIN 2-RELATED
Hgig_20170ZINC FINGER PROTEIN ZIC AND GLI
Hgig_20171
Hgig_20172ZINC FINGER PROTEIN ZIC AND GLI
Hgig_20173EXODEOXYRIBONUCLEASE III
Hgig_20174ZINC FINGER AND SCAN DOMAIN-CONTAINING
Hgig_20175
Hgig_20176
Hgig_20177
Hgig_20178BAND 7 PROTEIN-RELATED
Hgig_20179ZINC FINGER PROTEIN
Hgig_20180
Hgig_20181
Hgig_20182ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_20183LONG-CHAIN FATTY ACID TRANSPORT PROTEIN
Hgig_20184ZINC FINGER PROTEIN
Hgig_20185ZINC FINGER PROTEIN
Hgig_20186
Hgig_20187PROTEIN CBG27172
Hgig_20188
Hgig_20189
Hgig_20190
Hgig_20191RETROTRANSPOSON
Hgig_20192
Hgig_20193
Hgig_20194ZINC FINGER PROTEIN
Hgig_20195ZINC FINGER PROTEIN ZIC AND GLI
Hgig_20196
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