
The Mariana snailfish or Mariana hadal snailfish Pseudoliparis swirei is a species of snailfish found in the Mariana Trench in the western Pacific Ocean. It is known from a depth range of 6,198–8,076 m,which is possibly the record for a fish caught on the seafloor. Various anatomical, physiological, molecular and genetic adaptions help this species survive in such depths. It is abundant in their deep-sea habitat and has several unusual adaptions for its dark and high pressure habitat, including transparent skin that lacks pigment, certain organs and eggs that are enlarged, the muscles are thinner, the ossification of its bones (notably the skull) is incomplete.
| Species | Phylum | Common Name | Ecosystem | Depth | Habitat | NCBI Taxonomy ID |
|---|---|---|---|---|---|---|
| Pseudoliparis swirei | Chordata | hadal snailfish | Deep sea | 7,254 | the Mariana Trench (142°26′E, 11°07′N) | 2059687 |
| Genome Assembly | Genome Size | Assembly level | Released year | WGS accession | Submitter | BioProject | BUSCO completeness | Gene Number |
|---|---|---|---|---|---|---|---|---|
| NWPU_hadal_v1 | 626.4Mb | Chromosome | 2023 | JANBZZ01 | Northwestern Polytechnical University | PRJNA852951 | 96.00% | 21,161 |
| Title | Journal | Pubmed ID |
|---|---|---|
| Chromosome-level genome assembly of hadal snailfish reveals mechanisms of deep-sea adaptation in vertebrates | Elife | 38134226 |
| Gene ID | Description |
|---|---|
| HS07901 | |
| HS07902 | |
| HS07903 | XAP-5 PROTEIN-RELATED |
| HS07904 | INTERLEUKIN-17 RECEPTOR |
| HS07905 | SERYL-TRNA SYNTHETASE |
| HS07906 | PHOSPHOTYROSINE INTERACTION DOMAIN-CONTAINING FAMILY MEMBER |
| HS07907 | TRANSMEMBRANE PROTEIN 106B |
| HS07908 | TENSIN |
| HS07909 | INTERMEDIATE FILAMENT |
| HS07910 | INTERMEDIATE FILAMENT |
| HS07911 | |
| HS07912 | GATA-TYPE DOMAIN-CONTAINING PROTEIN |
| HS07913 | |
| HS07914 | GATA-TYPE DOMAIN-CONTAINING PROTEIN |
| HS07915 | GATA-TYPE DOMAIN-CONTAINING PROTEIN |
| HS07916 | MITOGEN-ACTIVATED PROTEIN KINASE |
| HS07917 | PLEXIN |
| HS07918 | PLEXIN |
| HS07919 | PROTEIN KINASE DOMAIN-CONTAINING PROTEIN-RELATED |
| HS07920 | LIPOMA HMGIC FUSION PARTNER-LIKE PROTEIN |
| HS07921 | COPINE |
| HS07922 | KRUEPPEL-LIKE TRANSCRIPTION FACTOR |
| HS07923 | DIVALENT CATION TRANSPORTER SOLUTE CARRIER FAMILY 41 |
| HS07924 | CHROMOSOME-ASSOCIATED KINESIN KIF4A-RELATED |
| HS07925 | GDP-FUCOSE PROTEIN O-FUCOSYLTRANSFERASE 1 |
| HS07926 | ZINC FINGER PROTEIN 200 |
| HS07927 | TRANSMEMBRANE 9 SUPERFAMILY PROTEIN |
| HS07928 | TYROSINE-PROTEIN KINASE |
| HS07929 | RETINOBLASTOMA BINDING PROTEIN 8 |
| HS07930 | TRANSCRIPTION FACTOR GATA FAMILY MEMBER |
| HS07931 | RHO FAMILY GTPASE |
| HS07932 | THIAMIN PYROPHOSPHOKINASE |
| HS07933 | GLUCOCORTICOID MODULATORY ELEMENT-BINDING PROTEIN |
| HS07934 | THIAMIN PYROPHOSPHOKINASE |
| HS07935 | PROENKEPHALIN |
| HS07936 | EUKARYOTIC TRANSLATION INITIATION FACTOR 2-ALPHA KINASE EIF2-ALPHA KINASE -RELATED |
| HS07937 | SERINE/THREONINE-PROTEIN KINASE |
| HS07938 | DENN DOMAIN-CONTAINING PROTEIN 2 |
| HS07939 | INSULIN-LIKE GROWTH FACTOR I |
| HS07940 | |
| HS07941 | UNCHARACTERIZED |
| HS07942 | N-ACYLGLUCOSAMINE-2-EPIMERASE |
| HS07943 | PEROXISOME ASSEMBLY PROTEIN 10 |
| HS07944 | PHOSPHOINOSITIDE-SPECIFIC PHOSPHOLIPASE C FAMILY PROTEIN |
| HS07945 | IONOTROPIC GLUTAMATE RECEPTOR |
| HS07946 | SKI ONCOGENE-RELATED |
| HS07947 | FANCONI ANEMIA CORE COMPLEX-ASSOCIATED PROTEIN 20 |
| HS07948 | REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN |
| HS07949 | RIBOSOMAL PROTEIN S6 KINASE |
| HS07950 | PROTEIN EVA-1 |