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_06146
Hgig_06147
Hgig_06148
Hgig_06149LP04239P
Hgig_06150TRANSCRIPTION FACTOR MAF
Hgig_06151
Hgig_06152COILED-COIL DOMAIN-CONTAINING PROTEIN 39
Hgig_06153IFT57/HIPPI
Hgig_06154
Hgig_06155GALACTOSYLGALACTOSYLXYLOSYLPROTEIN 3-BETA-GLUCURONOSYLTRANSFERASE BETA-1,3-GLUCURONYLTRANSFERASE
Hgig_06156
Hgig_06157FAT ATYPICAL CADHERIN-RELATED
Hgig_06158REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_06159PROTEIN CBG27172
Hgig_06160
Hgig_06161CADHERIN-87A
Hgig_06162PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_06163NEGATIVE REGULATOR OF VESICLE FORMATION-RELATED
Hgig_06164
Hgig_06165WNT RELATED
Hgig_06166
Hgig_06167ETS
Hgig_06168ETS
Hgig_06169
Hgig_06170REVERSE TRANSCRIPTASE
Hgig_06171REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_06172
Hgig_06173
Hgig_06174
Hgig_06175METHYLTRANSFERASE-LIKE PROTEIN 24
Hgig_06176
Hgig_06177
Hgig_06178
Hgig_06179REVERSE TRANSCRIPTASE
Hgig_06180THIOESTERASE 1/PROTEASE 1/LYSOPHOSPHOLIPASE L1
Hgig_06181
Hgig_06182DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_06183
Hgig_06184
Hgig_06185CENTROMERE PROTEIN L
Hgig_06186PROTEIN CBG27172
Hgig_06187RIBONUCLEASE Y
Hgig_06188
Hgig_06189
Hgig_06190QUEUINE TRNA-RIBOSYLTRANSFERASE ACCESSORY SUBUNIT 2
Hgig_06191AFADIN
Hgig_06192SOLUTE CARRIER FAMILY 35
Hgig_06193
Hgig_06194
Hgig_06195
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