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_23097
Hgig_23098
Hgig_23099
Hgig_23100
Hgig_23101
Hgig_23102MRNA-CAPPING ENZYME
Hgig_23103
Hgig_23104
Hgig_23105
Hgig_23106HISTONE H3
Hgig_23107HISTONE H3
Hgig_23108
Hgig_23109APPLE DOMAIN-CONTAINING PROTEIN
Hgig_23110
Hgig_23111RYANODINE RECEPTOR AND IP3 RECEPTOR
Hgig_23112
Hgig_23113
Hgig_23114E3 UBIQUITIN-PROTEIN LIGASE RAD18
Hgig_23115REVERSE TRANSCRIPTASES
Hgig_23116
Hgig_23117
Hgig_23118
Hgig_23119
Hgig_23120SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23121SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23122
Hgig_23123NUCLEOREDOXIN
Hgig_23124
Hgig_23125FASTING-INDUCIBLE INTEGRAL MEMBRANE PROTEIN TM6P1-RELATED
Hgig_23126
Hgig_23127
Hgig_23128
Hgig_23129PROTEIN CBG27172
Hgig_23130LONG-CHAIN-FATTY-ACID--COA LIGASE
Hgig_23131
Hgig_23132
Hgig_23133REPLICATION FACTOR A 1, RFA1
Hgig_23134
Hgig_23135OLFACTORY RECEPTOR AND ADENOSINE RECEPTOR
Hgig_23136
Hgig_23137TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23138TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23139OLFACTORY RECEPTOR AND ADENOSINE RECEPTOR
Hgig_23140ROPPORIN-1-LIKE PROTEIN
Hgig_23141ARGININE AND GLUTAMATE-RICH PROTEIN 1
Hgig_23142ROPPORIN-1-LIKE PROTEIN
Hgig_23143ARGININE AND GLUTAMATE-RICH PROTEIN 1
Hgig_23144GLUCOSE-6-PHOSPHATASE
Hgig_23145EUKARYOTIC TRANSLATION INITIATION FACTOR 4 GAMMA
Hgig_23146PHENYLALANYL-TRNA SYNTHETASE
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