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_21797TRANSPOSASE-RELATED
Hgig_21798BAND 7 PROTEIN-RELATED
Hgig_21799PROTEIN CBG27172
Hgig_21800
Hgig_21801G-PROTEIN COUPLED RECEPTOR 158-RELATED
Hgig_21802
Hgig_21803ANTIGEN BSP, PUTATIVE-RELATED
Hgig_21804ANTIGEN BSP, PUTATIVE-RELATED
Hgig_21805
Hgig_21806
Hgig_21807AUTOPHAGY PROTEIN 16-LIKE
Hgig_21808ATP-BINDING CASSETTE TRANSPORTER SUBFAMILY A ABCA
Hgig_21809
Hgig_21810AMILORIDE-SENSITIVE SODIUM CHANNEL-RELATED
Hgig_21811CYTOCHROME P450 508A4-RELATED
Hgig_21812PROTEIN CBG27172
Hgig_21813ATP-BINDING CASSETTE TRANSPORTER SUBFAMILY A ABCA
Hgig_21814MITOCHONDRIAL IMPORT INNER MEMBRANE TRANSLOCASE SUBUNIT TIM21
Hgig_21815
Hgig_21816
Hgig_21817
Hgig_21818UNCHARACTERIZED
Hgig_21819SCD6 PROTEIN-RELATED
Hgig_21820SH3 DOMAIN-BINDING PROTEIN 5
Hgig_21821BETA1,3-GALACTOSYLTRANSFERASE
Hgig_21822
Hgig_21823
Hgig_21824
Hgig_21825
Hgig_21826SPONDIN
Hgig_21827
Hgig_2182880 KDA MCM3-ASSOCIATED PROTEIN
Hgig_21829
Hgig_21830
Hgig_21831
Hgig_21832
Hgig_21833MYOSIN HEAVY CHAIN, NON-MUSCLE
Hgig_21834MYOSIN HEAVY CHAIN, NON-MUSCLE
Hgig_21835
Hgig_21836WD-40 REPEAT PROTEIN
Hgig_21837EUKARYOTIC TRANSLATION INITIATION FACTOR 4E RELATED
Hgig_21838
Hgig_21839
Hgig_21840
Hgig_21841PINSTRIPE, ISOFORM A
Hgig_21842RNA BINDING PROTEIN
Hgig_21843ANGIOTENSIN-CONVERTING ENZYME
Hgig_21844
Hgig_21845ANGIOTENSIN-CONVERTING ENZYME
Hgig_21846ANGIOTENSIN-CONVERTING ENZYME
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