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_22447INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED
Hgig_22448
Hgig_22449VOLTAGE-DEPENDENT CALCIUM CHANNEL SUBUNIT ALPHA-2/DELTA-RELATED
Hgig_22450VOLTAGE-DEPENDENT CALCIUM CHANNEL SUBUNIT ALPHA-2/DELTA-RELATED
Hgig_22451
Hgig_22452
Hgig_22453
Hgig_22454IONOTROPIC GLUTAMATE RECEPTOR
Hgig_22455REVERSE TRANSCRIPTASE
Hgig_22456
Hgig_22457
Hgig_22458
Hgig_22459ZINC FINGER PROTEIN
Hgig_22460
Hgig_22461
Hgig_22462
Hgig_22463
Hgig_22464
Hgig_22465MITOCHONDRIAL BASIC AMINO ACIDS TRANSPORTER-RELATED
Hgig_22466SULFATASE MODIFYING FACTOR 1, 2
Hgig_22467SULFATASE MODIFYING FACTOR 1, 2
Hgig_22468PENTRAXIN
Hgig_22469
Hgig_22470
Hgig_22471GLR0591 PROTEIN
Hgig_22472G PATCH DOMAIN CONTAINING PROTEIN 3
Hgig_22473
Hgig_22474SYNAPTOTAGMIN
Hgig_22475
Hgig_22476
Hgig_22477
Hgig_22478TRANSLATION INITIATION FACTOR EIF-2B SUBUNIT EPSILON
Hgig_22479
Hgig_22480WOLFRAMIN
Hgig_22481TUBULIN
Hgig_22482
Hgig_22483
Hgig_22484
Hgig_224853BP-1 RELATED RHOGAP
Hgig_22486NEGATIVE ELONGATION FACTOR A NELF-A
Hgig_22487DYNEIN 2 LIGHT INTERMEDIATE CHAIN, ISOFORM 2
Hgig_22488
Hgig_22489
Hgig_22490REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_22491DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22492
Hgig_22493REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_22494
Hgig_22495
Hgig_22496TRANSPOSASE-RELATED
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