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_19397MITOCHONDRIAL RNA PSEUDOURIDINE SYNTHASE
Hgig_19398KDEL LYS-ASP-GLU-LEU CONTAINING - RELATED
Hgig_19399CORRINOID ADENOSYLTRANSFERASE
Hgig_19400
Hgig_19401CORRINOID ADENOSYLTRANSFERASE
Hgig_19402GUANYLYL CYCLASE DOMAIN CONTAINING PROTEIN 1 GUCD1
Hgig_19403ZINC FINGER PROTEIN
Hgig_19404ZINC FINGER PROTEIN
Hgig_19405GLYCINE-RICH CELL WALL STRUCTURAL PROTEIN 1-LIKE
Hgig_19406ATP-DEPENDENT RNA AND DNA HELICASE
Hgig_19407
Hgig_19408ATP-DEPENDENT RNA AND DNA HELICASE
Hgig_19409TATA-BOX BINDING PROTEIN
Hgig_19410BOULE-RELATED
Hgig_19411
Hgig_19412OVOCHYMASE-RELATED
Hgig_19413
Hgig_19414GUANYLYL CYCLASE
Hgig_19415GUANYLYL CYCLASE
Hgig_19416GUANYLYL CYCLASE
Hgig_19417
Hgig_19418
Hgig_19419
Hgig_19420MICROSOMAL DIPEPTIDASE
Hgig_19421-
Hgig_19422REVERSE TRANSCRIPTASE
Hgig_19423REVERSE TRANSCRIPTASE
Hgig_19424SUGAR-1-PHOSPHATE GUANYL TRANSFERASE
Hgig_19425SUGAR-1-PHOSPHATE GUANYL TRANSFERASE
Hgig_19426
Hgig_19427PHOSPHOLIPID SCRAMBLASE-RELATED
Hgig_19428NUCLEAR PROTEIN 1 AND 2
Hgig_19429-
Hgig_19430
Hgig_19431
Hgig_19432REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_19433PROTEIN CBG27172
Hgig_19434SPERMATHECAL PHYSIOLOGY VARIANT
Hgig_19435
Hgig_19436
Hgig_19437LYSOSOME-ASSOCIATED MEMBRANE GLYCOPROTEIN
Hgig_19438ZGC:174356
Hgig_19439LYSOSOME-ASSOCIATED MEMBRANE GLYCOPROTEIN
Hgig_19440ZGC:174356
Hgig_19441VOLTAGE-DEPENDENT CALCIUM CHANNEL BETA SUBUNIT
Hgig_19442
Hgig_19443BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_19444ADENYLATE CYCLASE TYPE 1
Hgig_19445
Hgig_19446PROTEIN CBG27172
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