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_01196
Hgig_01197
Hgig_01198BETA-GLUCURONIDASE
Hgig_01199
Hgig_01200
Hgig_01201
Hgig_01202
Hgig_01203
Hgig_01204TRAF-TYPE ZINC FINGER PROTEIN-RELATED
Hgig_01205ALDO/KETO REDUCTASE
Hgig_01206
Hgig_01207IONOTROPIC RECEPTOR 20A-RELATED
Hgig_01208
Hgig_01209
Hgig_01210MARVEL-CONTAINING POTENTIAL LIPID RAFT-ASSOCIATED PROTEIN
Hgig_01211
Hgig_01212ARMC5 ARMADILLO REPEAT-CONTAINING -RELATED
Hgig_01213
Hgig_01214AGAP005361-PA
Hgig_01215ALZHEIMER'S DISEASE BETA-AMYLOID RELATED
Hgig_01216
Hgig_01217
Hgig_01218LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01219TRANSCRIPTIONAL ACTIVATOR CUBITUS INTERRUPTUS
Hgig_01220GLUTAREDOXIN FAMILY MEMBER
Hgig_01221
Hgig_01222
Hgig_01223TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_01224REVERSE TRANSCRIPTASE
Hgig_01225
Hgig_01226
Hgig_01227SIDESTEP PROTEIN
Hgig_01228SIDESTEP PROTEIN
Hgig_01229
Hgig_01230
Hgig_01231
Hgig_01232UBIQUINONE BIOSYNTHESIS PROTEIN
Hgig_01233UBIQUINONE BIOSYNTHESIS PROTEIN
Hgig_01234
Hgig_01235
Hgig_01236
Hgig_01237
Hgig_01238NCK-ASSOCIATED PROTEIN 1
Hgig_01239
Hgig_01240PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_01241GUANYLYL CYCLASE
Hgig_01242
Hgig_01243AMMECR1 HOMOLOG
Hgig_01244
Hgig_01245
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