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_16697 | GAMMA GLUTAMYL TRANSPEPTIDASE |
Hgig_16698 | |
Hgig_16699 | |
Hgig_16700 | TRANSCRIPTIONAL REPRESSOR CTCFL-RELATED |
Hgig_16701 | ALDEHYDE DEHYDROGENASE-RELATED |
Hgig_16702 | SH3 DOMAIN-CONTAINING |
Hgig_16703 | UNCHARACTERIZED |
Hgig_16704 | PROLINE-SERINE-THREONINE PHOSPHATASE INTERACTING PROTEIN 1 |
Hgig_16705 | PROLINE-SERINE-THREONINE PHOSPHATASE INTERACTING PROTEIN 1 |
Hgig_16706 | LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED PROTEIN 2-RELATED |
Hgig_16707 | |
Hgig_16708 | LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED |
Hgig_16709 | |
Hgig_16710 | RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE |
Hgig_16711 | |
Hgig_16712 | LEUCINE-RICH REPEAT, ISOFORM F-RELATED |
Hgig_16713 | |
Hgig_16714 | |
Hgig_16715 | |
Hgig_16716 | |
Hgig_16717 | PROTEIN CBG03580 |
Hgig_16718 | |
Hgig_16719 | |
Hgig_16720 | UNCHARACTERIZED |
Hgig_16721 | GEM-ASSOCIATED PROTEIN 7 |
Hgig_16722 | NADH-UBIQUINONE OXIDOREDUCTASE FLAVOPROTEIN 1 NDUFV1 |
Hgig_16723 | ENDORIBONUCLEASE LACTB2 |
Hgig_16724 | SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A |
Hgig_16725 | |
Hgig_16726 | |
Hgig_16727 | ECSIT EVOLUTIONARILY CONSERVED SIGNALING INTERMEDIATE IN TOLL PATHWAYS |
Hgig_16728 | ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4 |
Hgig_16729 | |
Hgig_16730 | PROTEIN CBG27172 |
Hgig_16731 | SIGNALING LYMPHOCYTIC ACTIVATION MOLECULE |
Hgig_16732 | PROTEIN SIDEKICK |
Hgig_16733 | RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE |
Hgig_16734 | CYCLIN |
Hgig_16735 | NEUROTRANSMITTER GATED ION CHANNEL |
Hgig_16736 | |
Hgig_16737 | KRUEPPEL-LIKE TRANSCRIPTION FACTOR |
Hgig_16738 | THYLAKOID LUMENAL 17.4 KDA PROTEIN, CHLOROPLASTIC |
Hgig_16739 | FORKHEAD BOX PROTEIN |
Hgig_16740 | FORKHEAD BOX PROTEIN |
Hgig_16741 | HOMEOBOX PROTEIN HHEX |
Hgig_16742 | PROTEIN SON |
Hgig_16743 | |
Hgig_16744 | ATP-BINDING TRANSPORT PROTEIN-RELATED |
Hgig_16745 | ARYLSULFATASE |
Hgig_16746 | NUCLEAR SPECKLE SPLICING REGULATORY PROTEIN 1 |