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_21247
Hgig_21248
Hgig_21249LIPASE
Hgig_21250
Hgig_21251SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_21252VITELLOGENIN-RELATED
Hgig_21253VITELLOGENIN-RELATED
Hgig_21254
Hgig_21255CYTOCHROME C OXIDASE SUBUNIT IV
Hgig_21256AGAP008810-PA
Hgig_21257AGAP008810-PA
Hgig_21258CYTOCHROME C OXIDASE SUBUNIT IV
Hgig_212593-5 EXONUCLEASE
Hgig_21260DIOXYGENASE RV0097-RELATED
Hgig_21261DNA MISMATCH REPAIR PROTEIN MLH, PMS, MUTL
Hgig_21262METHYLENETETRAHYDROFOLATE REDUCTASE
Hgig_21263INTRAFLAGELLAR TRANSPORT PROTEIN 25 HOMOLOG
Hgig_21264CYSTEINE PROTEASE ATG4
Hgig_21265CYSTEINE PROTEASE ATG4
Hgig_21266SOLUTE CARRIER FAMILY 31 COPPER TRANSPORTERS
Hgig_21267NIBRIN-RELATED
Hgig_21268VACUOLAR ATP SYNTHASE SUBUNIT H
Hgig_21269SARCOSINE DEHYDROGENASE-RELATED
Hgig_21270XAA-PRO AMINOPEPTIDASE 1
Hgig_21271ARSENITE-RESISTANCE PROTEIN 2
Hgig_21272
Hgig_21273SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_21274
Hgig_21275SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_21276
Hgig_21277NUCLEAR DISTRIBUTION PROTEIN NUDE HOMOLOG 1
Hgig_21278
Hgig_21279
Hgig_21280SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_21281GRANULIN
Hgig_21282RIBOSOMAL PROTEIN L7AE FAMILY MEMBER
Hgig_21283RNA RECOGNITION MOTIF RRM DOMAIN CONTAINING PROTEIN
Hgig_21284
Hgig_21285
Hgig_21286INHIBITOR OF APOPTOSIS
Hgig_21287BACULOVIRAL IAP REPEAT-CONTAINING PROTEIN 1
Hgig_21288
Hgig_21289
Hgig_21290RBR FAMILY RING FINGER AND IBR DOMAIN-CONTAINING
Hgig_21291RBR FAMILY RING FINGER AND IBR DOMAIN-CONTAINING
Hgig_21292DRAB5-RELATED
Hgig_21293DRAB5-RELATED
Hgig_21294TRNA (GUANINE-9-) METHYLTRANSFERASE
Hgig_21295
Hgig_21296MALONYL-COA ACP TRANSACYLASE, ACP-BINDING
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