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_18347BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, TWIST
Hgig_18348BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, TWIST
Hgig_18349
Hgig_18350TRANSIENT RECEPTOR POTENTIAL CATION CHANNEL PROTEIN PAINLESS
Hgig_18351PROTON CHANNEL OTOP
Hgig_18352
Hgig_18353CALCIUM-ACTIVATED CHLORIDE CHANNEL REGULATOR
Hgig_18354G PATCH AND KOW-CONTAINING
Hgig_18355TYPE-1 ANGIOTENSIN II RECEPTOR-ASSOCIATED PROTEIN
Hgig_18356NADH-UBIQUINONE OXIDOREDUCTASE
Hgig_18357
Hgig_18358SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_18359
Hgig_18360SOLUTE CARRIER FAMILY 17
Hgig_18361SOLUTE CARRIER FAMILY 17
Hgig_18362SOLUTE CARRIER FAMILY 17
Hgig_18363
Hgig_18364CUBILIN
Hgig_18365
Hgig_18366SHORT-CHAIN DEHYDROGENASE/REDUCTASE FAMILY 9C
Hgig_18367
Hgig_18368ZGC:136858
Hgig_18369
Hgig_18370PROTEIN, PUTATIVE-RELATED
Hgig_18371
Hgig_18372TETRASPANIN
Hgig_18373
Hgig_18374
Hgig_18375ZGC:136858
Hgig_18376ZGC:136858
Hgig_18377
Hgig_18378EG:80H7.2 PROTEIN
Hgig_18379EG:80H7.2 PROTEIN
Hgig_18380EG:80H7.2 PROTEIN
Hgig_18381CYTOKINE RECEPTOR
Hgig_18382
Hgig_18383
Hgig_18384PROTEIN CBG27172
Hgig_18385
Hgig_18386CWF19, CELL CYCLE CONTROL PROTEIN
Hgig_18387VESICLE PROTEIN SORTING-ASSOCIATED
Hgig_18388ELONGATION FACTOR TU-RELATED
Hgig_18389
Hgig_18390ZGC:172121
Hgig_18391TRANSPOSABLE ELEMENT-RELATED
Hgig_18392G BETA-LIKE PROTEIN GBL
Hgig_18393POLYSERASE-RELATED
Hgig_18394FI18240P1-RELATED
Hgig_18395
Hgig_18396
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