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_00446CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_00447CARBOHYDRATE SULFOTRANSFERASE
Hgig_00448CARBOHYDRATE SULFOTRANSFERASE
Hgig_00449
Hgig_00450CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_00451CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_00452
Hgig_00453
Hgig_00454TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00455TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00456SIDESTEP PROTEIN
Hgig_00457CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_00458
Hgig_00459
Hgig_00460ZINC FINGER PROTEIN
Hgig_00461
Hgig_00462SIDESTEP PROTEIN
Hgig_00463
Hgig_00464
Hgig_00465
Hgig_00466BEAT PROTEIN
Hgig_00467
Hgig_00468
Hgig_00469ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_00470
Hgig_00471REVERSE TRANSCRIPTASE
Hgig_00472
Hgig_00473PROTEIN STAR
Hgig_004745'-NUCLEOTIDASE-RELATED
Hgig_00475
Hgig_00476SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_00477REVERSE TRANSCRIPTASES
Hgig_00478SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_00479
Hgig_00480POLYCYSTIN FAMILY MEMBER
Hgig_00481ECDYSONE-INDUCIBLE GENE E1, ISOFORM A
Hgig_00482ECDYSONE-INDUCIBLE GENE E1, ISOFORM A
Hgig_00483HOMEOBOX PROTEIN NKX
Hgig_00484
Hgig_004854-NITROPHENYLPHOSPHATASE-RELATED
Hgig_00486NEURALIZED
Hgig_00487RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE LARGE CHAIN
Hgig_00488TNF RECEPTOR ASSOCIATED FACTOR
Hgig_00489TNF RECEPTOR ASSOCIATED FACTOR
Hgig_00490CARBOXYLESTERASE
Hgig_00491ENOLASE (DUF1399)
Hgig_00492
Hgig_00493
Hgig_00494IP22168P
Hgig_00495IP22168P
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