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_20447
Hgig_20448AGAP005574-PA
Hgig_20449METHYLMALONYL-COA MUTASE
Hgig_2045050S/60S RIBOSOMAL PROTEIN L16
Hgig_20451DIHYDROLIPOAMIDE ACETYL/SUCCINYL-TRANSFERASE-RELATED
Hgig_20452CYTOCHROME C OXIDASE POLYPEPTIDE VIC-2
Hgig_20453PROTEIN CBG27172
Hgig_20454UNCHARACTERIZED
Hgig_20455POL PROTEIN
Hgig_20456
Hgig_20457ZINC FINGER CCHC DOMAIN CONTAINING PROTEIN
Hgig_20458RRNA PROCESSING PROTEIN EBNA1-BINDING PROTEIN-RELATED
Hgig_20459
Hgig_20460
Hgig_20461DIADENOSINE 5,5-P1,P4-TETRAPHOSPHATE PYROPHOSPHOHYDROLASE MUTT
Hgig_20462
Hgig_20463
Hgig_20464TRANSDUCIN-LIKE ENHANCER PROTEIN
Hgig_20465TRANSDUCIN-LIKE ENHANCER PROTEIN
Hgig_2046640S RIBOSOMAL PROTEIN SA
Hgig_2046740S RIBOSOMAL PROTEIN SA
Hgig_20468CENTROSOMAL PROTEIN-RELATED
Hgig_20469CENTROSOMAL PROTEIN-RELATED
Hgig_20470CENTROSOMAL PROTEIN-RELATED
Hgig_20471CENTROSOMAL PROTEIN-RELATED
Hgig_20472REVERSE TRANSCRIPTASES
Hgig_20473
Hgig_20474EUKARYOTIC TRANSLATION INITIATION FACTOR 3 -RELATED
Hgig_20475FATTY-ACID AMIDE HYDROLASE
Hgig_20476
Hgig_20477TRANSLOCATION ASSOCIATED MEMBRANE PROTEIN
Hgig_204782-DEOXYGLUCOSE-6-PHOSPHATE PHOSPHATASE 2
Hgig_2047939S RIBOSOMAL PROTEIN L43
Hgig_20480ANTIGEN BSP, PUTATIVE-RELATED
Hgig_20481MEIOTIC CHECKPOINT REGULATOR TSG24 FAMILY MEMBER
Hgig_20482VESICLE PROTEIN SORTING-ASSOCIATED
Hgig_20483LEISHMANOLYSIN-LIKE PEPTIDASE
Hgig_20484UNCHARACTERIZED
Hgig_20485
Hgig_20486STRUCTURAL CONTITUENT OF CUTICLE
Hgig_20487GROUP II PYRIDOXAL-5-PHOSPHATE DECARBOXYLASE
Hgig_20488
Hgig_20489TYROSINE-PROTEIN KINASE
Hgig_20490PRE-MRNA SPLICING FACTOR
Hgig_20491POLYCOMB GROUP PROTEIN
Hgig_20492SYNAPTIC ADHESION-LIKE MOLECULE SALM
Hgig_20493ANTIGEN BSP, PUTATIVE-RELATED
Hgig_20494BETA-HEXOSAMINIDASE
Hgig_20495
Hgig_20496
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