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_16497 | KICSTOR COMPLEX PROTEIN KAPTIN |
Hgig_16498 | TRANSCRIPTION INITIATION FACTOR TFIID |
Hgig_16499 | LD24308P |
Hgig_16500 | TRANSPOSASE-RELATED |
Hgig_16501 | PROLIFERATING CELL NUCLEAR ANTIGEN |
Hgig_16502 | SPINDLE ASSEMBLY ABNORMAL PROTEIN 6 HOMOLOG |
Hgig_16503 | REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN |
Hgig_16504 | |
Hgig_16505 | |
Hgig_16506 | |
Hgig_16507 | UNCHARACTERIZED |
Hgig_16508 | SIALIC ACID BINDING IMMUNOGLOBULIN-LIKE LECTIN |
Hgig_16509 | INTERLEUKIN-1 RECEPTOR FAMILY MEMBER |
Hgig_16510 | |
Hgig_16511 | PROTEIN CBG27172 |
Hgig_16512 | |
Hgig_16513 | DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED |
Hgig_16514 | REVERSE TRANSCRIPTASE |
Hgig_16515 | TRANSPOSASE-RELATED |
Hgig_16516 | |
Hgig_16517 | TYROSINE-PROTEIN KINASE RECEPTOR |
Hgig_16518 | PLATELET-DERIVED GROWTH FACTOR RECEPTOR LIKE |
Hgig_16519 | PLATELET-DERIVED GROWTH FACTOR RECEPTOR LIKE |
Hgig_16520 | DNAJ HOMOLOG SUBFAMILY C MEMBER 8/LIPOPOLYSACCHARIDE SPECIFIC RESPONSE-7-RELATED |
Hgig_16521 | |
Hgig_16522 | TRANSPOSASE-RELATED |
Hgig_16523 | |
Hgig_16524 | |
Hgig_16525 | |
Hgig_16526 | ZINC FINGER, ZZ DOMAIN CONTAINING 3 |
Hgig_16527 | OSJNBA0013A04.12 PROTEIN |
Hgig_16528 | |
Hgig_16529 | |
Hgig_16530 | PCD6 INTERACTING PROTEIN-RELATED |
Hgig_16531 | DISCS LARGE |
Hgig_16532 | AQUAPORIN TRANSPORTER |
Hgig_16533 | TRANSKETOLASE |
Hgig_16534 | CLASS II CROSSOVER JUNCTION ENDONUCLEASE MUS81 |
Hgig_16535 | |
Hgig_16536 | TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN |
Hgig_16537 | |
Hgig_16538 | |
Hgig_16539 | RIBOSOMAL PROTEIN S6 KINASE |
Hgig_16540 | |
Hgig_16541 | WASP-1 |
Hgig_16542 | PROTEASE FAMILY S9B,C DIPEPTIDYL-PEPTIDASE IV-RELATED |
Hgig_16543 | IONOTROPIC GLUTAMATE RECEPTOR |
Hgig_16544 | |
Hgig_16545 | |
Hgig_16546 |