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
ACP7-Chromosome27-1732898-1823843PURPLE ACID PHOSPHATASE
ACP7-Chromosome27-2302031-2357845PURPLE ACID PHOSPHATASE
ACP7-Chromosome27-436174-547794PURPLE ACID PHOSPHATASE
ACP7-Chromosome7-231216-310407PURPLE ACID PHOSPHATASE
ACP7-Chromosome7-33016-99519PURPLE ACID PHOSPHATASE
Hgig_00001TRYPTASE-RELATED
Hgig_00002CYTOCHROME P450 508A4-RELATED
Hgig_00003
Hgig_00004PROTEIN NEDD1
Hgig_00005
Hgig_00006
Hgig_00007SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_00008
Hgig_00009
Hgig_00010
Hgig_00011AFADIN
Hgig_00012
Hgig_00013
Hgig_00014ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_00015
Hgig_00016UNCHARACTERIZED
Hgig_00017TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00018TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00019GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_00020
Hgig_00021TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00022
Hgig_00023IMPORTIN-7, 8, 11
Hgig_00024IMPORTIN-7, 8, 11
Hgig_00025
Hgig_00026STEROL O-ACYLTRANSFERASE
Hgig_00027
Hgig_00028
Hgig_00029
Hgig_00030
Hgig_00031RAS-RELATED PROTEIN RAB
Hgig_00032
Hgig_00033-
Hgig_00034
Hgig_00035TRANSPOSABLE ELEMENT-RELATED
Hgig_0003660S RIBOSOMAL PROTEIN L35A
Hgig_00037TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_00038CHARGED MULTIVESICULAR BODY PROTEIN
Hgig_00039
Hgig_00040SIMILAR TO 1700123O20RIK PROTEIN
Hgig_00041SIMILAR TO 1700123O20RIK PROTEIN
Hgig_00042MAP/MICROTUBULE AFFINITY-REGULATING KINASE
Hgig_00043
Hgig_00044SPLICING FACTOR 3A SUBUNIT 2
Hgig_00045TRANSPOSABLE ELEMENT-RELATED
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