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
1. Birstein J A, Vinogradov M E. Pelagicheskie gammaridy (Amphipoda, Gammaridea) Kurilo-Kamchatskoi Vpadiny[J]. Akademiya Nauk SSSR, Trudy Instituta Okeanologii, 1955, 12: 219-257. (Birstein et al., 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_07647 | BETA-HEXOSAMINIDASE |
Hgig_07648 | ABC TRANSPORTER G FAMILY MEMBER 28 |
Hgig_07649 | PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1 |
Hgig_07650 | |
Hgig_07651 | |
Hgig_07652 | FIBRINOGEN/TENASCIN/ANGIOPOEITIN |
Hgig_07653 | PEPTIDASE |
Hgig_07654 | CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN |
Hgig_07655 | |
Hgig_07656 | |
Hgig_07657 | |
Hgig_07658 | |
Hgig_07659 | PRE-MRNA-PROCESSING FACTOR 19 |
Hgig_07660 | |
Hgig_07661 | CXC DOMAIN-CONTAINING PROTEIN-RELATED |
Hgig_07662 | |
Hgig_07663 | REVERSE TRANSCRIPTASE |
Hgig_07664 | |
Hgig_07665 | |
Hgig_07666 | KELCH PROTEIN |
Hgig_07667 | |
Hgig_07668 | |
Hgig_07669 | PROTEIN KINASE RELATED |
Hgig_07670 | NUP107-RELATED |
Hgig_07671 | |
Hgig_07672 | |
Hgig_07673 | NUP107-RELATED |
Hgig_07674 | RIBONUCLEASE H1 |
Hgig_07675 | RNA BINDING PROTEIN |
Hgig_07676 | RNA BINDING PROTEIN |
Hgig_07677 | S-ADENOSYL-METHYLTRANSFERASE MRAW |
Hgig_07678 | AATF PROTEIN APOPTOSIS ANTAGONIZING TRANSCRIPTION FACTOR |
Hgig_07679 | KELCH PROTEIN |
Hgig_07680 | LEUCINE-RICH PPR MOTIF-CONTAINING PROTEIN, MITOCHONDRIAL |
Hgig_07681 | |
Hgig_07682 | LEUCINE-RICH PPR MOTIF-CONTAINING PROTEIN, MITOCHONDRIAL |
Hgig_07683 | |
Hgig_07684 | |
Hgig_07685 | |
Hgig_07686 | |
Hgig_07687 | |
Hgig_07688 | ALPHA-MANNOSIDASE |
Hgig_07689 | ALPHA-MANNOSIDASE |
Hgig_07690 | ALPHA-MANNOSIDASE |
Hgig_07691 | |
Hgig_07692 | EXPRESSED PROTEIN |
Hgig_07693 | AAA DOMAIN-CONTAINING |
Hgig_07694 | |
Hgig_07695 | AAA DOMAIN-CONTAINING |
Hgig_07696 | AAA DOMAIN-CONTAINING |