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_02446
Hgig_02447DNAJ HOMOLOG SUBFAMILY C MEMBER 7
Hgig_02448EPM2A-INTERACTING PROTEIN 1
Hgig_02449
Hgig_02450SR-RELATED CTD ASSOCIATED FACTOR 6
Hgig_02451TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02452UNCHARACTERIZED
Hgig_02453UNCHARACTERIZED
Hgig_02454SR-RELATED CTD ASSOCIATED FACTOR 6
Hgig_02455IONOTROPIC RECEPTOR 20A-RELATED
Hgig_02456
Hgig_02457
Hgig_02458TRANSCRIPTION ELONGATION REGULATOR 1
Hgig_02459TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02460PROTEIN CBG27172
Hgig_02461MYOSIN
Hgig_02462
Hgig_02463UNCHARACTERIZED
Hgig_02464
Hgig_02465GH17980P-RELATED
Hgig_02466
Hgig_02467
Hgig_02468
Hgig_02469
Hgig_02470
Hgig_02471RAD54-LIKE
Hgig_02472
Hgig_02473
Hgig_02474
Hgig_02475
Hgig_02476
Hgig_02477
Hgig_02478LIM DOMAIN-CONTAINING PROTEIN
Hgig_02479FOUR AND A HALF LIM DOMAINS PROTEIN
Hgig_02480
Hgig_02481FOUR AND A HALF LIM DOMAINS PROTEIN
Hgig_02482
Hgig_02483
Hgig_02484UNCHARACTERIZED
Hgig_02485SOLUBLE LIVER ANTIGEN/LIVER PANCREAS ANTIGEN
Hgig_02486SOLUBLE LIVER ANTIGEN/LIVER PANCREAS ANTIGEN
Hgig_02487UNCHARACTERIZED
Hgig_02488
Hgig_02489PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1
Hgig_02490
Hgig_02491
Hgig_02492
Hgig_02493SYNAPTOSOMAL ASSOCIATED PROTEIN
Hgig_02494ANOCTAMIN
Hgig_02495DIPHTHINE SYNTHASE
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