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_19347
Hgig_19348STRUCTURAL CONTITUENT OF CUTICLE
Hgig_19349STRUCTURAL CONTITUENT OF CUTICLE
Hgig_19350STRUCTURAL CONTITUENT OF CUTICLE
Hgig_19351STRUCTURAL CONTITUENT OF CUTICLE
Hgig_19352STRUCTURAL CONTITUENT OF CUTICLE
Hgig_19353
Hgig_19354CARBOHYDRATE SULFOTRANSFERASE
Hgig_19355
Hgig_19356
Hgig_19357ZINC/IRON TRANSPORTER
Hgig_19358ZINC/IRON TRANSPORTER
Hgig_19359TRANSCRIPTIONAL REPRESSOR CTCFL-RELATED
Hgig_19360
Hgig_19361
Hgig_19362
Hgig_19363BASIC HELIX-LOOP-HELIX PROTEIN NEUROGENIN-RELATED
Hgig_19364
Hgig_19365BASIC HELIX-LOOP-HELIX PROTEIN NEUROGENIN-RELATED
Hgig_19366
Hgig_19367EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT G
Hgig_19368DELTA ADAPTIN-RELATED
Hgig_19369DELTA ADAPTIN-RELATED
Hgig_19370EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT G
Hgig_19371
Hgig_19372
Hgig_19373CAPZ-INTERACTING PROTEIN AND RELATED PROTEINS
Hgig_19374TRANSCRIPTIONAL REGULATOR
Hgig_19375WINGED HELIX DOMAIN-CONTAINING PROTEIN
Hgig_19376
Hgig_19377
Hgig_19378ZINC FINGER CCHC-TYPE AND RNA-BINDING MOTIF-CONTAINING PROTEIN 1
Hgig_19379ZINC FINGER CCHC-TYPE AND RNA-BINDING MOTIF-CONTAINING PROTEIN 1
Hgig_19380UDP-GLUCOSE 4-EPIMERASE
Hgig_19381DESTABILASE-RELATED
Hgig_19382ENDOPLASMIC RETICULUM JUNCTION FORMATION PROTEIN LUNAPARK
Hgig_19383AAA ATPASE, PUTATIVE (AFU_ORTHOLOGUE AFUA_2G12920)-RELATED-RELATED
Hgig_19384
Hgig_19385ADP RIBOSYLATION FACTOR-RELATED
Hgig_19386PROTEIN STAR
Hgig_19387
Hgig_19388PHOSPHOLIPID ACYLTRANSFERASE
Hgig_19389WINS1, 2 PROTEIN
Hgig_19390RAS-RELATED PROTEIN RAB
Hgig_19391UNCHARACTERIZED
Hgig_19392PROTEIN C20ORF43 HOMOLOG
Hgig_19393PORPHOBILINOGEN DEAMINASE
Hgig_19394
Hgig_19395YES-ASSOCIATED PROTEIN YAP1 FAMILY MEMBER
Hgig_1939624-DEHYDROCHOLESTEROL REDUCTASE
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