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_22897UNCHARACTERIZED
Hgig_22898
Hgig_22899ACTIVATING SIGNAL COINTEGRATOR 1 COMPLEX SUBUNIT 1
Hgig_22900UNCHARACTERIZED
Hgig_22901
Hgig_22902
Hgig_22903IMPORTIN BETA
Hgig_22904VOLTAGE-GATED CATION CHANNEL CALCIUM AND SODIUM
Hgig_22905VOLTAGE-GATED CATION CHANNEL CALCIUM AND SODIUM
Hgig_22906
Hgig_22907-
Hgig_22908BUCENTAUR RELATED
Hgig_22909
Hgig_22910TEASHIRT-RELATED
Hgig_22911
Hgig_22912
Hgig_22913TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_22914-
Hgig_22915NADH-UBIQUINONE OXIDOREDUCTASE B22 SUBUNIT
Hgig_22916
Hgig_22917-
Hgig_22918
Hgig_22919
Hgig_22920PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1
Hgig_22921GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_22922GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_22923GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
Hgig_22924TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_22925GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
Hgig_22926GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
Hgig_22927MATRIX METALLOPROTEINASE
Hgig_22928MATRIX METALLOPROTEINASE
Hgig_22929XK-RELATED PROTEIN
Hgig_22930HAMARTIN
Hgig_22931NUCLEOPORIN NUP84-RELATED
Hgig_22932REVERSE TRANSCRIPTASES
Hgig_22933
Hgig_22934GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_22935
Hgig_22936GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_22937GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_22938
Hgig_22939VOLTAGE-GATED POTASSIUM CHANNEL
Hgig_22940VOLTAGE-GATED POTASSIUM CHANNEL
Hgig_22941VOLTAGE-GATED POTASSIUM CHANNEL
Hgig_22942
Hgig_22943
Hgig_22944
Hgig_22945
Hgig_22946
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