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_02696MOLTING PROTEIN MLT-4
Hgig_02697WD40 REPEAT PROTEIN
Hgig_02698MULTIPLE INOSITOL POLYPHOSPHATE PHOSPHATASE-RELATED
Hgig_02699CARBOHYDRATE SULFOTRANSFERASE
Hgig_02700CARBOHYDRATE SULFOTRANSFERASE
Hgig_0270139S RIBOSOMAL PROTEIN L12
Hgig_02702
Hgig_02703KINETOCHORE PROTEIN NDC80
Hgig_02704ABL INTERACTOR FAMILY MEMBER
Hgig_02705UNCHARACTERIZED
Hgig_02706RUS1 FAMILY PROTEIN C16ORF58
Hgig_02707ZN-FINGER, C-X8-C-X5-C-X3-H TYPE-CONTAINING
Hgig_02708
Hgig_02709-
Hgig_02710
Hgig_02711DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_02712
Hgig_02713
Hgig_02714POL PROTEIN
Hgig_02715
Hgig_02716CENTROMERE PROTEIN V
Hgig_02717REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_02718
Hgig_02719-
Hgig_02720TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02721MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02722ZINC FINGER PROTEIN
Hgig_02723ZNF44 PROTEIN
Hgig_02724
Hgig_02725DYSFERLIN-RELATED
Hgig_02726
Hgig_02727
Hgig_02728
Hgig_0272930S RIBOSOMAL PROTEIN S14
Hgig_02730
Hgig_0273130S RIBOSOMAL PROTEIN S14
Hgig_02732ELONGATION FACTOR 1 ALPHA
Hgig_02733CCA TRNA NUCLEOTIDYLTRANSFERASE 1, MITOCHONDRIAL
Hgig_02734
Hgig_02735
Hgig_02736EGF-LIKE-DOMAIN, MULTIPLE 7, 8
Hgig_02737
Hgig_02738
Hgig_02739RIBOSOMAL PROTEIN L5-RELATED
Hgig_02740S-ADENOSYLMETHIONINE SYNTHETASE
Hgig_02741
Hgig_02742
Hgig_02743
Hgig_02744HMG-BOX TRANSCRIPTION FACTOR BBX
Hgig_02745
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