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_22697 | ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN |
Hgig_22698 | RABCONNECTIN-3B, ISOFORM A |
Hgig_22699 | RABCONNECTIN-3B, ISOFORM A |
Hgig_22700 | N-ACETYLATED-ALPHA-LINKED ACIDIC DIPEPTIDASE |
Hgig_22701 | N-ACETYLATED-ALPHA-LINKED ACIDIC DIPEPTIDASE |
Hgig_22702 | N-ACETYLATED-ALPHA-LINKED ACIDIC DIPEPTIDASE |
Hgig_22703 | IONOTROPIC GLUTAMATE RECEPTOR |
Hgig_22704 | |
Hgig_22705 | ANCIENT UBIQUITOUS PROTEIN |
Hgig_22706 | |
Hgig_22707 | TESTIS DEVELOPMENT PROTEIN PRTD |
Hgig_22708 | |
Hgig_22709 | PEPTIDYLPROLYL ISOMERASE |
Hgig_22710 | HISTONE DEACETYLASE HDAC1-RELATED |
Hgig_22711 | |
Hgig_22712 | PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1 |
Hgig_22713 | PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1 |
Hgig_22714 | |
Hgig_22715 | ACROSIN-RELATED |
Hgig_22716 | SCAVENGER RECEPTOR CLASS B TYPE-1 SR-B1 |
Hgig_22717 | SCAVENGER RECEPTOR CLASS B TYPE-1 SR-B1 |
Hgig_22718 | DNA REPAIR PROTEIN COMPLEMENTING XP-A CELLS |
Hgig_22719 | SCAVENGER RECEPTOR CLASS B TYPE-1 SR-B1 |
Hgig_22720 | AMINO ACID TRANSPORTER |
Hgig_22721 | ZINC FINGER PROTEIN |
Hgig_22722 | KRUEPPEL-LIKE TRANSCRIPTION FACTOR |
Hgig_22723 | |
Hgig_22724 | ZINC FINGER PROTEIN |
Hgig_22725 | UNCHARACTERIZED |
Hgig_22726 | ROUND SPERMATID BASIC PROTEIN 1 |
Hgig_22727 | FORMIN |
Hgig_22728 | EPHRIN |
Hgig_22729 | EPHRIN |
Hgig_22730 | RHO GTPASE-ACTIVATING PROTEIN 100F |
Hgig_22731 | E3 UBIQUITIN-PROTEIN LIGASE RNF165 |
Hgig_22732 | PROTEIN CBG27172 |
Hgig_22733 | |
Hgig_22734 | |
Hgig_22735 | |
Hgig_22736 | COLLAGEN |
Hgig_22737 | RNA BINDING PROTEIN |
Hgig_22738 | |
Hgig_22739 | |
Hgig_22740 | |
Hgig_22741 | REVERSE TRANSCRIPTASE |
Hgig_22742 | |
Hgig_22743 | |
Hgig_22744 | PROTEIN CBG27172 |
Hgig_22745 | CYSTEINE-RICH SECRETORY PROTEIN-RELATED |
Hgig_22746 | TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN |