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_24247
Hgig_24248LD15586P
Hgig_24249LD15586P
Hgig_24250
Hgig_24251
Hgig_24252CARBOXYLESTERASE
Hgig_24253TUBULIN
Hgig_24254TUBULIN
Hgig_24255TUBULIN
Hgig_24256ANGIOTENSIN-CONVERTING ENZYME
Hgig_24257MICROSOMAL GLUTATHIONE S-TRANSFERASE 1
Hgig_24258TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24259MICROSOMAL GLUTATHIONE S-TRANSFERASE 1
Hgig_24260
Hgig_24261POLY A POLYMERASE CID PAP -RELATED
Hgig_24262
Hgig_24263TRNA-SPECIFIC ADENOSINE DEAMINASE 1
Hgig_24264
Hgig_24265UNCHARACTERIZED
Hgig_24266
Hgig_24267TRNA-SPECIFIC ADENOSINE DEAMINASE 1
Hgig_24268
Hgig_24269
Hgig_24270
Hgig_2427160S RIBOSOMAL PROTEIN L22
Hgig_24272SYNAPTOBREVIN FAMILY MEMBER
Hgig_24273RNA LARIAT DEBRANCHING ENZYME
Hgig_24274MENIN
Hgig_24275COILED-COIL-HELIX-COILED-COIL-HELIX DOMAIN-CONTAINING PROTEIN 7
Hgig_24276
Hgig_24277
Hgig_24278
Hgig_24279
Hgig_24280RAB-GAP/TBC-RELATED
Hgig_24281SYNAPTOBREVIN FAMILY MEMBER
Hgig_24282
Hgig_24283PROTEIN SIDEKICK
Hgig_24284EPH RECEPTOR A5
Hgig_24285
Hgig_24286ATILLA, ISOFORM B-RELATED-RELATED
Hgig_24287THIOSULFATE SULFURTRANSFERASE RDL2, MITOCHONDRIAL-RELATED
Hgig_24288
Hgig_24289FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_24290
Hgig_24291THIOSULFATE SULFURTRANSFERASE RDL2, MITOCHONDRIAL-RELATED
Hgig_24292
Hgig_24293THIOSULFATE SULFURTRANSFERASE RDL2, MITOCHONDRIAL-RELATED
Hgig_24294THIOSULFATE SULFURTRANSFERASE RDL2, MITOCHONDRIAL-RELATED
Hgig_24295
Hgig_24296REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
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