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.
Animalia (Kingdom); Arthropoda (Phylum); Crustacea (Subphylum); Multicrustacea (Superclass); Malacostraca (Class); Eumalacostraca (Subclass); Peracarida (Superorder); Amphipoda (Order); Amphilochidea (Suborder); Lysianassida (Infraorder); Lysianassidira (Parvorder); Lysianassoidea (Superfamily); Hirondelleidae (Family); Hirondellea (Genus); Hirondellea gigas (Species)
Tetronychia gigas Birstein & M. Vinogradov, 1955
Philippine Trench from Philippine Sea, Mariana Trench from North Pacific Ocean and Kuril-Kamchatka Trench
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 (%) | Scaffold/Contig N50 (kb) | GC content (%) | Repeat Rate (%) | Gene Number |
---|---|---|---|---|---|---|---|---|---|---|---|
- | 13.92Gb | Chromosome | 2025 | CNA0142381 | - | CNP0005374 | 89.34 | 458,700/466.1 | 38.8 | 72.75 | 27,881 |
Title | Journal | Pubmed ID |
---|---|---|
The amphipod genome reveals population dynamics and adaptations to hadal environment | Cell | 40054448 |
Gene ID | Description |
---|---|
Hgig_06646 | ZINC FINGER AND SCAN DOMAIN-CONTAINING |
Hgig_06647 | |
Hgig_06648 | |
Hgig_06649 | ZINC FINGER PROTEIN |
Hgig_06650 | ZINC FINGER PROTEIN |
Hgig_06651 | |
Hgig_06652 | ZINC FINGER PROTEIN |
Hgig_06653 | ZINC FINGER PROTEIN |
Hgig_06654 | ZINC FINGER PROTEIN |
Hgig_06655 | REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN |
Hgig_06656 | |
Hgig_06657 | |
Hgig_06658 | PR DOMAIN ZINC FINGER PROTEIN |
Hgig_06659 | ZINC FINGER PROTEIN |
Hgig_06660 | PR DOMAIN ZINC FINGER PROTEIN |
Hgig_06661 | |
Hgig_06662 | |
Hgig_06663 | |
Hgig_06664 | ZINC FINGER PROTEIN |
Hgig_06665 | ZINC FINGER PROTEIN |
Hgig_06666 | |
Hgig_06667 | TRANSPOSABLE ELEMENT-RELATED |
Hgig_06668 | |
Hgig_06669 | ZINC FINGER PROTEIN |
Hgig_06670 | PROTEIN CBG26694 |
Hgig_06671 | |
Hgig_06672 | |
Hgig_06673 | ZINC FINGER PROTEIN |
Hgig_06674 | ZINC FINGER PROTEIN |
Hgig_06675 | |
Hgig_06676 | |
Hgig_06677 | |
Hgig_06678 | |
Hgig_06679 | ZINC FINGER PROTEIN |
Hgig_06680 | REVERSE TRANSCRIPTASE |
Hgig_06681 | ZINC FINGER PROTEIN |
Hgig_06682 | |
Hgig_06683 | ENDONUCLEASE-RELATED |
Hgig_06684 | ZINC FINGER PROTEIN |
Hgig_06685 | |
Hgig_06686 | |
Hgig_06687 | LD33804P |
Hgig_06688 | |
Hgig_06689 | ENDONUCLEASE-RELATED |
Hgig_06690 | |
Hgig_06691 | KELCH PROTEIN |
Hgig_06692 | RIBOSOMAL PROTEIN L5-RELATED |
Hgig_06693 | ZINC FINGER PROTEIN |
Hgig_06694 | |
Hgig_06695 | KRUEPPEL-LIKE TRANSCRIPTION FACTOR |