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_09047
Hgig_09048
Hgig_09049
Hgig_09050ADP RIBOSYLATION FACTOR-RELATED
Hgig_09051PROTEIN STAR
Hgig_09052
Hgig_09053
Hgig_09054CNH DOMAIN CONTAINING
Hgig_09055
Hgig_09056
Hgig_09057PROTEIN UNC-13 HOMOLOG
Hgig_09058
Hgig_09059CALPONIN HOMOLOGY DOMAIN-CONTAINING PROTEIN DDB_G0272472-RELATED
Hgig_09060
Hgig_09061MAJOR FACILITATOR SUPERFAMILY PROTEIN-RELATED
Hgig_09062MAJOR FACILITATOR SUPERFAMILY PROTEIN-RELATED
Hgig_09063
Hgig_09064
Hgig_09065OXIDASE/PEROXIDASE
Hgig_09066OXIDASE/PEROXIDASE
Hgig_09067NADPH OXIDASE
Hgig_09068
Hgig_09069SNARE PROTEINS
Hgig_09070CLEAVAGE AND POLYADENYLATION SPECIFICITY FACTOR FAMILY MEMBER
Hgig_09071
Hgig_09072EF-HAND AND COILED-COIL DOMAIN-CONTAINING FAMILY MEMBER
Hgig_09073
Hgig_09074POTASSIUM CHANNEL, SUBFAMILY K
Hgig_09075PHOSPHOLIPASE-RELATED
Hgig_09076GLYCEROL-3-PHOSPHATE ACYLTRANSFERASE
Hgig_09077GLYCEROL-3-PHOSPHATE ACYLTRANSFERASE
Hgig_09078GLYCEROL-3-PHOSPHATE ACYLTRANSFERASE
Hgig_09079CHOLINE/ETHANOALAMINE KINASE
Hgig_09080ARYLSULFATASE FAMILY MEMBER
Hgig_09081V-TYPE PROTON ATPASE SUBUNIT C
Hgig_09082
Hgig_09083
Hgig_09084CUTICLE PROTEIN
Hgig_09085
Hgig_09086PROTEASE FAMILY S9B,C DIPEPTIDYL-PEPTIDASE IV-RELATED
Hgig_09087
Hgig_09088BYSTIN
Hgig_09089BYSTIN
Hgig_09090MOTILE SPERM DOMAIN-CONTAINING PROTEIN 2
Hgig_09091
Hgig_09092TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_09093FER-1-LIKE
Hgig_09094FER-1-LIKE
Hgig_09095FER-1-LIKE
Hgig_09096
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