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_19447
Hgig_19448RE45066P-RELATED
Hgig_19449MANNOSE-P-DOLICHOL UTILIZATION DEFECT 1 LEC35 -RELATED
Hgig_19450ABC TRANSPORTER G FAMILY MEMBER 28
Hgig_19451ABC TRANSPORTER G FAMILY MEMBER 28
Hgig_19452BETA-CAROTENE DIOXYGENASE
Hgig_19453ZGC:174356
Hgig_19454ZGC:174356
Hgig_19455ZGC:174356
Hgig_19456SPLICING FACTOR YJU2
Hgig_19457ZINC FINGER MYM-TYPE PROTEIN
Hgig_19458ZINC FINGER MYM-TYPE PROTEIN
Hgig_19459NUCLEOPROTEIN TPR-RELATED
Hgig_19460NUCLEOPROTEIN TPR-RELATED
Hgig_19461
Hgig_19462
Hgig_19463TONSOKU-LIKE PROTEIN
Hgig_19464SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_19465CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_19466
Hgig_19467
Hgig_19468CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_19469CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_19470TRANSCRIPTIONAL REPRESSOR CTCFL-RELATED
Hgig_19471
Hgig_19472UNCHARACTERIZED
Hgig_19473
Hgig_19474UNCHARACTERIZED
Hgig_19475
Hgig_19476
Hgig_19477
Hgig_19478MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 25
Hgig_19479
Hgig_19480
Hgig_19481NUCLEAR HORMONE RECEPTOR
Hgig_19482
Hgig_19483
Hgig_19484
Hgig_19485SEGMENTATION PROTEIN EVEN-SKIPPED
Hgig_19486
Hgig_19487TUBULIN
Hgig_19488-
Hgig_19489STRUCTURAL CONTITUENT OF CUTICLE
Hgig_19490CONNECTOR ENCHANCER OF KINASE SUPPRESSOR OF RAS
Hgig_19491P53 INDUCED PROTEIN
Hgig_19492
Hgig_19493DNA POLYMERASE I
Hgig_19494
Hgig_19495
Hgig_19496-
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