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_15847 | |
Hgig_15848 | MASK PROTEIN |
Hgig_15849 | PHOSPHATIDYLINOSITOL KINASE |
Hgig_15850 | NEUROTRANSMITTER GATED ION CHANNEL |
Hgig_15851 | GENERAL TRANSCRIPTION FACTOR IIIC, POLYPEPTIDE 5 |
Hgig_15852 | |
Hgig_15853 | COPINE |
Hgig_15854 | |
Hgig_15855 | DNA REPAIR PROTEIN REV1 |
Hgig_15856 | |
Hgig_15857 | |
Hgig_15858 | NEURALIZED |
Hgig_15859 | NEURALIZED |
Hgig_15860 | |
Hgig_15861 | |
Hgig_15862 | |
Hgig_15863 | |
Hgig_15864 | |
Hgig_15865 | RHO GUANINE EXCHANGE FACTOR-RELATED |
Hgig_15866 | PROTEASE FAMILY M14 CARBOXYPEPTIDASE A,B |
Hgig_15867 | ABC TRANSPORTER G FAMILY MEMBER 28 |
Hgig_15868 | RHO GUANINE EXCHANGE FACTOR-RELATED |
Hgig_15869 | DNAJ HOMOLOG SUBFAMILY C MEMBER 10 |
Hgig_15870 | ABC1 FAMILY PROTEIN |
Hgig_15871 | AGAP011572-PA |
Hgig_15872 | |
Hgig_15873 | METALLO PHOSPHOESTERASE RELATED |
Hgig_15874 | KH DOMAIN CONTAINING RNA BINDING PROTEIN |
Hgig_15875 | GUANINE NUCLEOTIDE-BINDING PROTEIN BETA G PROTEIN BETA |
Hgig_15876 | |
Hgig_15877 | |
Hgig_15878 | |
Hgig_15879 | |
Hgig_15880 | ADAMTS A DISINTEGRIN AND METALLOPROTEASE WITH THROMBOSPONDIN MOTIFS PROTEASE |
Hgig_15881 | ADAMTS A DISINTEGRIN AND METALLOPROTEASE WITH THROMBOSPONDIN MOTIFS PROTEASE |
Hgig_15882 | C-TYPE LECTIN DOMAIN-CONTAINING PROTEIN 180 |
Hgig_15883 | C-TYPE LECTIN DOMAIN-CONTAINING PROTEIN 180 |
Hgig_15884 | |
Hgig_15885 | |
Hgig_15886 | |
Hgig_15887 | |
Hgig_15888 | |
Hgig_15889 | REVERSE TRANSCRIPTASE |
Hgig_15890 | CYSTEINE PROTEASE FAMILY C1-RELATED |
Hgig_15891 | |
Hgig_15892 | TRANSPOSASE-RELATED |
Hgig_15893 | CYSTEINE PROTEASE FAMILY C1-RELATED |
Hgig_15894 | CYSTEINE PROTEASE FAMILY C1-RELATED |
Hgig_15895 | REVERSE TRANSCRIPTASE |
Hgig_15896 |