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_08147ZINC FINGER PROTEIN 622
Hgig_08148CENTROSOMAL PROTEIN OF 290 KDA
Hgig_08149METHYLTRANSFERASE-LIKE PROTEIN 24
Hgig_08150MICROTUBULE-ASSOCIATED PROTEIN
Hgig_08151NUCLEAR PORE GLYCOPROTEIN P62-RELATED
Hgig_08152
Hgig_08153
Hgig_08154
Hgig_08155
Hgig_08156GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
Hgig_08157
Hgig_08158ATROPHIN-RELATED
Hgig_08159
Hgig_08160
Hgig_08161
Hgig_08162
Hgig_08163
Hgig_08164
Hgig_08165
Hgig_08166UNCHARACTERIZED
Hgig_08167UNCHARACTERIZED
Hgig_08168
Hgig_08169ARSENITE METHYLTRANSFERASE
Hgig_08170ARSENITE METHYLTRANSFERASE
Hgig_08171
Hgig_08172
Hgig_08173SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_08174
Hgig_08175
Hgig_08176AGAP008170-PA
Hgig_08177LEUCINE RICH REPEAT FAMILY PROTEIN
Hgig_08178EUKARYOTIC TRANSLATION INITIATION FACTOR 2 SUBUNIT 1
Hgig_08179
Hgig_08180RING FINGER PROTEIN 25
Hgig_08181UNCHARACTERIZED
Hgig_08182
Hgig_08183CONTACTIN 5
Hgig_08184
Hgig_08185TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08186
Hgig_08187
Hgig_08188UNCHARACTERIZED
Hgig_08189SLIT-ROBO RHO GTPASE ACTIVATING PROTEIN
Hgig_08190
Hgig_08191GLYCINE-RICH CELL WALL STRUCTURAL PROTEIN 1-LIKE
Hgig_08192
Hgig_08193
Hgig_08194
Hgig_08195PROTEIN STAR
Hgig_08196
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