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_18797
Hgig_18798ANOCTAMIN
Hgig_18799PROTEIN CBG26694
Hgig_18800
Hgig_18801
Hgig_18802UNCHARACTERIZED
Hgig_18803OXA1
Hgig_18804PHEROMONE SHUTDOWN PROTEIN
Hgig_18805NEUROTRANSMITTER GATED ION CHANNEL
Hgig_18806TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 10
Hgig_18807ZINC METALLOPROTEASE FAMILY M13 NEPRILYSIN-RELATED
Hgig_18808
Hgig_18809
Hgig_18810CARBOXYLESTERASE
Hgig_18811FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_18812FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_18813
Hgig_18814LIPIN
Hgig_18815
Hgig_18816ZINC FINGER CCHC DOMAIN-CONTAINING PROTEIN 7
Hgig_18817MOLYBDOPTERIN SYNTHASE RELATED
Hgig_18818ENDONUCLEASE/EXONUCLEASE/PHOSPHATASE FAMILY DOMAIN-CONTAINING PROTEIN 1
Hgig_18819
Hgig_18820
Hgig_18821BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, TWIST
Hgig_18822
Hgig_18823PROTEIN LZIC
Hgig_18824
Hgig_18825SCC1 / RAD21 FAMILY MEMBER
Hgig_18826HOMEO BOX HB9 LIKE A-RELATED
Hgig_18827PROTEIN LZIC
Hgig_18828
Hgig_18829
Hgig_18830HOMEOBOX PROTEIN
Hgig_18831HOMEOBOX PROTEIN
Hgig_18832
Hgig_18833HOMEOBOX PROTEIN
Hgig_18834
Hgig_18835TRANSLATION FACTOR
Hgig_18836IONOTROPIC GLUTAMATE RECEPTOR
Hgig_18837EQUILIBRATIVE NUCLEOSIDE TRANSPORTER
Hgig_18838SNF2/RAD54 FAMILY MEMBER
Hgig_18839LD30288P
Hgig_18840VITELLOGENIN-RELATED
Hgig_18841VACUOLAR MEMBRANE PROTEIN YPL162C
Hgig_18842VACUOLAR MEMBRANE PROTEIN YPL162C
Hgig_18843
Hgig_18844
Hgig_18845DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_18846PROTEIN CBG27172
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