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_20847
Hgig_20848
Hgig_20849SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_20850L-ASPARAGINASE
Hgig_20851UNCHARACTERIZED
Hgig_20852
Hgig_20853
Hgig_20854ZINC FINGER PROTEIN
Hgig_20855
Hgig_20856BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_20857-
Hgig_20858REVERSE TRANSCRIPTASE
Hgig_20859
Hgig_20860
Hgig_20861CELL DIVISION CYCLE 20 CDC20 FIZZY -RELATED
Hgig_20862TRANSPOSASE-RELATED
Hgig_20863MYOSIN LIGHT CHAIN 1, 3
Hgig_20864REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20865REVERSE TRANSCRIPTASE
Hgig_20866
Hgig_20867UNCHARACTERIZED
Hgig_20868AAA DOMAIN-CONTAINING
Hgig_20869WW DOMAIN BINDING PROTEIN 2, ISOFORM E
Hgig_20870
Hgig_20871T-BOX PROTEIN-RELATED
Hgig_20872IA-2 PROTEIN TYROSINE PHOSPHATASE, ISOFORM C
Hgig_20873
Hgig_20874
Hgig_20875
Hgig_20876
Hgig_20877
Hgig_20878
Hgig_20879HYPOXIA-INDUCIBLE FACTOR 1 ALPHA
Hgig_20880HYPOXIA-INDUCIBLE FACTOR 1 ALPHA
Hgig_20881HYPOXIA-INDUCIBLE FACTOR 1 ALPHA
Hgig_20882TRANSMEMBRANE PROTEIN 117
Hgig_20883MIDNOLIN
Hgig_20884MIDNOLIN
Hgig_2088526S PROTESOME SUBUNIT 6
Hgig_20886E3 UBIQUITIN-PROTEIN LIGASE TRIM37
Hgig_20887
Hgig_20888ARP2/3 COMPLEX 34 KDA SUBUNIT
Hgig_208893-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE
Hgig_20890UNCHARACTERIZED
Hgig_20891
Hgig_20892SPLICING FACTOR 3A SUBUNIT 2
Hgig_20893
Hgig_20894
Hgig_20895RIBOSOMAL PROTEIN S7
Hgig_20896
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