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_26649ZINC FINGER CCCH DOMAIN-CONTAINING PROTEIN 18
Hgig_26650ZINC FINGER CCCH DOMAIN-CONTAINING PROTEIN 18
Hgig_26651ZINC FINGER CCCH DOMAIN-CONTAINING PROTEIN 18
Hgig_26652SYNDECAN
Hgig_26653ZINC FINGER PROTEIN
Hgig_26654
Hgig_26655HISTIDINE TRIAD HIT PROTEIN MEMBER
Hgig_26656HISTIDINE TRIAD HIT PROTEIN MEMBER
Hgig_26657TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_26658REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_26659SYNDECAN
Hgig_26660
Hgig_26661E3 UBIQUITIN-PROTEIN LIGASE NHLRC1-RELATED
Hgig_26662
Hgig_26663SOLUTE CARRIER FAMILY 12, CATION COTRANSPORTERS
Hgig_26664
Hgig_26665
Hgig_26666VACUOLAR ATP SYNTHASE SUBUNIT H
Hgig_26667
Hgig_26668MITOCHONDRIAL RIBOSOMAL PROTEIN L37
Hgig_26669MITOCHONDRIAL 28S RIBOSOMAL PROTEIN S30/P52 PRO-APOTOTIC PROTEIN
Hgig_26670
Hgig_26671
Hgig_26672MITOCHONDRIAL 28S RIBOSOMAL PROTEIN S30/P52 PRO-APOTOTIC PROTEIN
Hgig_26673CALCIUM-INDEPENDENT PHOSPHOLIPASE A2 IPLA2 -RELATED
Hgig_26674MITOCHONDRIAL 28S RIBOSOMAL PROTEIN S30/P52 PRO-APOTOTIC PROTEIN
Hgig_26675
Hgig_26676
Hgig_26677
Hgig_26678CALCIUM-INDEPENDENT PHOSPHOLIPASE A2 IPLA2 -RELATED
Hgig_26679RIBONUCLEASE H1
Hgig_26680CALCIUM-INDEPENDENT PHOSPHOLIPASE A2 IPLA2 -RELATED
Hgig_26681POTASSIUM CHANNEL, SUBFAMILY K
Hgig_26682PEFLIN
Hgig_26683
Hgig_26684
Hgig_26685RIBOSOMAL PROTEIN L5-RELATED
Hgig_26686
Hgig_26687
Hgig_26688TELOMERE REPEAT-BINDING FACTOR 2-INTERACTING PROTEIN 1
Hgig_26689TELOMERE REPEAT-BINDING FACTOR 2-INTERACTING PROTEIN 1
Hgig_26690
Hgig_26691
Hgig_26692
Hgig_26693NEURABIN
Hgig_26694NEURABIN
Hgig_26695
Hgig_26696
Hgig_26697TRANSCRIPTIONAL REPRESSOR PROTEIN YY
Hgig_26698TRANSPOSON
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