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_25449NEUROTRANSMITTER GATED ION CHANNEL
Hgig_25450SYNAPTOTAGMIN
Hgig_25451
Hgig_25452TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25453TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25454SYNAPTOTAGMIN
Hgig_25455
Hgig_25456REVERSE TRANSCRIPTASE
Hgig_25457ELONGATOR COMPLEX PROTEIN 5
Hgig_25458WD REPEAT DOMAIN-CONTAINING FAMILY
Hgig_25459PROTEIN CBG27172
Hgig_25460
Hgig_25461
Hgig_25462TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25463REVERSE TRANSCRIPTASES
Hgig_25464ADAM A DISINTEGRIN AND METALLOPROTEASE DOMAIN
Hgig_25465
Hgig_25466TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25467
Hgig_25468OXIDASE/PEROXIDASE
Hgig_25469
Hgig_25470
Hgig_25471GLUTAMYL-TRNA GLN AMIDOTRANSFERASE SUBUNIT B MITOCHONDRIAL AND PROKARYOTIC PET112-RELATED
Hgig_25472
Hgig_25473
Hgig_25474
Hgig_25475TRANSMEMBRANE PROTEASE SERINE
Hgig_25476GALACTOSYLGALACTOSYLXYLOSYLPROTEIN 3-BETA-GLUCURONOSYLTRANSFERASE BETA-1,3-GLUCURONYLTRANSFERASE
Hgig_25477
Hgig_25478
Hgig_25479
Hgig_25480GALACTOSYLGALACTOSYLXYLOSYLPROTEIN 3-BETA-GLUCURONOSYLTRANSFERASE BETA-1,3-GLUCURONYLTRANSFERASE
Hgig_25481
Hgig_25482
Hgig_25483
Hgig_25484TRANSMEMBRANE PROTEIN C9ORF91
Hgig_25485REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_25486COP9 SIGNALOSOME COMPLEX SUBUNIT 8
Hgig_25487
Hgig_25488TRANSCRIPTION FACTOR GATA FAMILY MEMBER
Hgig_25489
Hgig_25490
Hgig_25491TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25492TRANSCRIPTION FACTOR GATA FAMILY MEMBER
Hgig_25493TRANSCRIPTION FACTOR GATA FAMILY MEMBER
Hgig_25494DEDICATOR OF CYTOKINESIS DOCK
Hgig_25495UPF0193 PROTEIN EVG1
Hgig_25496CHITIN BINDING PERITROPHIN-A
Hgig_25497
Hgig_25498REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
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