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_17447 | EXONUCLEASE, PHAGE-TYPE/RECB, C-TERMINAL DOMAIN-CONTAINING PROTEIN |
Hgig_17448 | SYNAPTIC ADHESION-LIKE MOLECULE SALM |
Hgig_17449 | OSJNBA0013A04.12 PROTEIN |
Hgig_17450 | PROTEIN CBG27172 |
Hgig_17451 | |
Hgig_17452 | INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED |
Hgig_17453 | INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED |
Hgig_17454 | INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED |
Hgig_17455 | INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED |
Hgig_17456 | INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED |
Hgig_17457 | INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED |
Hgig_17458 | INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED |
Hgig_17459 | INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED |
Hgig_17460 | EH DOMAIN |
Hgig_17461 | EH DOMAIN |
Hgig_17462 | SH3 DOMAIN-CONTAINING |
Hgig_17463 | SH3 DOMAIN-CONTAINING |
Hgig_17464 | RHO GUANINE NUCLEOTIDE EXCHANGE FACTOR AT 64C, ISOFORM A |
Hgig_17465 | CALCIUM BINDING PROTEINS |
Hgig_17466 | |
Hgig_17467 | |
Hgig_17468 | |
Hgig_17469 | |
Hgig_17470 | METHYLTRANSF_11 DOMAIN-CONTAINING PROTEIN |
Hgig_17471 | |
Hgig_17472 | |
Hgig_17473 | SIDESTEP PROTEIN |
Hgig_17474 | SIDESTEP PROTEIN |
Hgig_17475 | |
Hgig_17476 | GALACTOSE-3-O-SULFOTRANSFERASE |
Hgig_17477 | SULFOTRANSFERASE SULT |
Hgig_17478 | SULFOTRANSFERASE SULT |
Hgig_17479 | |
Hgig_17480 | REVERSE TRANSCRIPTASE |
Hgig_17481 | APOLIPOPROTEIN D |
Hgig_17482 | CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN |
Hgig_17483 | PROTEIN SIDEKICK |
Hgig_17484 | N-ALPHA-ACETYLTRANSFERASE 60 |
Hgig_17485 | MITOGEN-ACTIVATED PROTEIN KINASE |
Hgig_17486 | |
Hgig_17487 | SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN |
Hgig_17488 | |
Hgig_17489 | |
Hgig_17490 | |
Hgig_17491 | PEPTIDYL-PROLYL CIS-TRANS ISOMERASE |
Hgig_17492 | |
Hgig_17493 | |
Hgig_17494 | WD-40 REPEAT PROTEIN |
Hgig_17495 | |
Hgig_17496 |