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.
Species | Phylum | Common Name | Ecosystem | Depth | Habitat | NCBI Taxonomy ID |
---|---|---|---|---|---|---|
Hirondellea gigas | Arthropoda | - | Deep sea | 6,800-11,000 | Mariana Trench in the northwestern Pacific Ocean | 1518452 |
Genome Assembly | Genome Size | Assembly level | Released year | WGS accession | Submitter | BioProject | BUSCO completeness | Gene Number |
---|---|---|---|---|---|---|---|---|
- | 13.92Gb | Chromosome | 2025 | CNA0142381 | - | CNP0005374 | 89.34% | 27,881 |
Title | Journal | Pubmed ID |
---|---|---|
The amphipod genome reveals population dynamics and adaptations to hadal environment | Cell | 40054448 |
Gene ID | Description |
---|---|
Hgig_05796 | |
Hgig_05797 | JTB PROTEIN-RELATED |
Hgig_05798 | CLASS IV SAM-BINDING METHYLTRANSFERASE-RELATED |
Hgig_05799 | OPSIN |
Hgig_05800 | B2 BRADYKININ RECEPTOR/ANGIOTENSIN II RECEPTOR |
Hgig_05801 | |
Hgig_05802 | PROTEASE FAMILY M24 METHIONYL AMINOPEPTIDASE, AMINOPEPTIDASE P |
Hgig_05803 | PROTEASE FAMILY M24 METHIONYL AMINOPEPTIDASE, AMINOPEPTIDASE P |
Hgig_05804 | REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN |
Hgig_05805 | PROTEASE FAMILY M24 METHIONYL AMINOPEPTIDASE, AMINOPEPTIDASE P |
Hgig_05806 | REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN |
Hgig_05807 | TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN |
Hgig_05808 | H2.0-LIKE HOMEOBOX PROTEIN |
Hgig_05809 | MITOGEN-ACTIVATED PROTEIN KINASE KINASE KINASE 20-RELATED |
Hgig_05810 | MITOGEN-ACTIVATED PROTEIN KINASE KINASE KINASE 20-RELATED |
Hgig_05811 | DOLICHYL-PHOSPHATE-MANNOSE--PROTEIN MANNOSYLTRANSFERASE |
Hgig_05812 | IRON-SULFUR CLUSTER ASSEMBLY PROTEIN |
Hgig_05813 | |
Hgig_05814 | |
Hgig_05815 | NUCLEOLAR PROTEIN FAMILY A MEMBER 1 SNORNP PROTEIN GAR1 |
Hgig_05816 | DEVELOPMENTALLY REGULATED GTP-BINDING PROTEIN-RELATED |
Hgig_05817 | |
Hgig_05818 | DEVELOPMENTALLY REGULATED GTP-BINDING PROTEIN-RELATED |
Hgig_05819 | |
Hgig_05820 | |
Hgig_05821 | ASPARTYL/LYSYL-TRNA SYNTHETASE |
Hgig_05822 | ASPARTYL/LYSYL-TRNA SYNTHETASE |
Hgig_05823 | SERINE/THREONINE-PROTEIN KINASE IAL-RELATED |
Hgig_05824 | CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN |
Hgig_05825 | |
Hgig_05826 | |
Hgig_05827 | |
Hgig_05828 | |
Hgig_05829 | FI18240P1-RELATED |
Hgig_05830 | OTU DOMAIN CONTAINING PROTEIN |
Hgig_05831 | LOW-TEMPERATURE VIABILITY PROTEIN LTV1-RELATED |
Hgig_05832 | PROTEIN-S ISOPRENYLCYSTEINE O-METHYLTRANSFERASE |
Hgig_05833 | DNA2/NAM7 HELICASE FAMILY |
Hgig_05834 | |
Hgig_05835 | PROTEIN CBG27172 |
Hgig_05836 | FI18240P1-RELATED |
Hgig_05837 | |
Hgig_05838 | DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED |
Hgig_05839 | DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED |
Hgig_05840 | OVOCHYMASE-RELATED |
Hgig_05841 | CUTICLE PROTEIN |
Hgig_05842 | |
Hgig_05843 | DOUBLESEX AND MAB-3 RELATED TRANSCRIPTION FACTOR DMRT |
Hgig_05844 | APICAL ENDOSOMAL GLYCOPROTEIN PRECURSOR. |
Hgig_05845 | LIPASE |