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_23047RIBOSOMAL PROTEIN L5-RELATED
Hgig_23048CHAPERONIN
Hgig_23049REVERSE TRANSCRIPTASES
Hgig_23050CYSTEINE AND HISTIDINE-RICH DOMAIN-CONTAINING PROTEIN 1
Hgig_23051
Hgig_23052REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_23053TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23054
Hgig_23055CYTOCHROME C OXIDASE POLYPEPTIDE VIC-2
Hgig_23056HIV-INDUCED PROTEIN-7-LIKE PROTEASE
Hgig_23057
Hgig_23058
Hgig_23059
Hgig_23060
Hgig_23061DRAB5-RELATED
Hgig_23062HIV-INDUCED PROTEIN-7-LIKE PROTEASE
Hgig_23063
Hgig_23064
Hgig_23065
Hgig_23066ACTIN BUNDLING/MISSING IN METASTASIS-RELATED
Hgig_23067TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_23068EUKARYOTIC TRANSLATION INITIATION FACTOR 3, THETA SUBUNIT
Hgig_23069PROTEIN AF-9 HOMOLOG
Hgig_23070
Hgig_23071PROTEIN AF-9 HOMOLOG
Hgig_23072PROTEIN CIP2A
Hgig_23073PROTEIN CIP2A
Hgig_23074ENDONUCLEASE-RELATED
Hgig_23075
Hgig_23076THIOREDOXIN-LIKE PROTEIN 1
Hgig_23077THIOREDOXIN-LIKE PROTEIN 1
Hgig_23078
Hgig_23079RNA POLYMERASE-ASSOCIATED PROTEIN CTR9
Hgig_23080TRANSCRIPTION INITIATION FACTOR TFIID 55 KD SUBUNIT-RELATED
Hgig_23081
Hgig_23082
Hgig_23083
Hgig_23084
Hgig_23085
Hgig_23086TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23087PROTEIN CBG27172
Hgig_23088
Hgig_23089
Hgig_23090
Hgig_23091
Hgig_23092
Hgig_23093
Hgig_23094PROTEIN CBG26694
Hgig_23095
Hgig_23096RIBONUCLEASE H1
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