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_22097ZINC FINGER PROTEIN
Hgig_22098TOLL-LIKE RECEPTOR
Hgig_22099SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_22100STRIATED MUSCLE ACTIVATOR OF RHO-DEPENDENT SIGNALING-RELATED
Hgig_22101STRIATED MUSCLE ACTIVATOR OF RHO-DEPENDENT SIGNALING-RELATED
Hgig_22102ARYLSULFATASE
Hgig_22103CARBONIC ANHYDRASE
Hgig_22104DIHYDROLIPOAMIDE ACETYLTRANSFERASE COMPONENT OF PYRUVATE DEHYDROGENASE COMPLEX
Hgig_22105
Hgig_22106
Hgig_22107VESICLE PROTEIN SORTING-ASSOCIATED
Hgig_22108STRIATIN
Hgig_22109
Hgig_22110
Hgig_22111
Hgig_22112PROTEIN-COUPLED RECEPTOR GPR1, PUTATIVE-RELATED
Hgig_22113
Hgig_22114ORGANIC ANION TRANSPORTER
Hgig_22115
Hgig_22116ORGANIC ANION TRANSPORTER
Hgig_22117SOLUTE CARRIER FAMILY 25 MEMBER 44
Hgig_22118PEROXISOMAL MEMBRANE PROTEIN 2, PXMP2 MPV17
Hgig_22119
Hgig_22120DENTIN MATRIX PROTEIN 4 PROTEIN FAM20
Hgig_22121LP07818P1
Hgig_22122AMINO ACID TRANSPORTER
Hgig_22123AMINO ACID TRANSPORTER
Hgig_22124PROTEIN CBG27172
Hgig_22125CARBONIC ANHYDRASE
Hgig_22126
Hgig_22127PROTEIN, PUTATIVE-RELATED
Hgig_22128
Hgig_22129
Hgig_22130LP09875P
Hgig_22131
Hgig_22132
Hgig_22133NEUROLIGIN
Hgig_22134
Hgig_22135NEUROLIGIN
Hgig_22136NEUROLIGIN
Hgig_22137
Hgig_22138LITHOSTATHINE
Hgig_22139
Hgig_22140LITHOSTATHINE
Hgig_22141
Hgig_22142SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_22143UNCHARACTERIZED
Hgig_22144LITHOSTATHINE
Hgig_22145EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT F-RELATED
Hgig_22146PROTEIN CBG27172
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