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 |
|---|---|
| HS01001 | WD REPEAT-CONTAINING PROTEIN 75 |
| HS01002 | SOLUTE CARRIER FAMILY 40 MEMBER |
| HS01003 | |
| HS01004 | ASPARAGINE SYNTHETASE DOMAIN-CONTAINING PROTEIN 1 |
| HS01005 | GLUCOSE-1-PHOSPHATE THYMIDYLTRANSFERASE |
| HS01006 | SYMPLEKIN-RELATED |
| HS01007 | SOLUTE CARRIER FAMILY 35, MEMBER F5 |
| HS01008 | G-PROTEIN COUPLED RECEPTOR 39 |
| HS01009 | KELCH PROTEIN |
| HS01010 | CD59 GLYCOPROTEIN |
| HS01011 | NCK-ASSOCIATED PROTEIN 5 |
| HS01012 | FORMIMINOTRANSFERASE-CYCLODEAMINASE |
| HS01013 | SENTRIN-SPECIFIC PROTEASE |
| HS01014 | INTERPHOTORECEPTOR MATRIX PROTEOGLYCAN |
| HS01015 | TARSH-RELATED FIBRONECTIN DOMAIN-CONTAINING |
| HS01016 | PROTEIN TFG |
| HS01017 | UNCHARACTERIZED |
| HS01018 | POLYCYSTIN FAMILY MEMBER |
| HS01019 | EMILIN ELASTIN MICROFIBRIL INTERFACE-LOCATED PROTEIN ELASTIN MICROFIBRIL INTERFACER |
| HS01020 | F5/8 TYPE C DOMAIN-CONTAINING PROTEIN |
| HS01021 | FILAMIN/GPBP-INTERACTING PROTEIN |
| HS01022 | CELL CYCLE CONTROL PROTEIN 50 |
| HS01023 | PROTEIN CMSS1 |
| HS01024 | EXPRESSED PROTEIN |
| HS01025 | |
| HS01026 | INTERLEUKIN-1 RECEPTOR FAMILY MEMBER |
| HS01027 | TRANSPOSON TY3-I GAG-POL POLYPROTEIN |
| HS01028 | NUCLEAR RECEPTOR SUBFAMILY 0 GROUP B |
| HS01029 | RCG36411 |
| HS01030 | |
| HS01031 | RIBONUCLEASE H2 SUBUNIT B |
| HS01032 | E3 UBIQUITIN-PROTEIN LIGASE TRIM |
| HS01033 | C13ORF1 PROTEIN-RELATED |
| HS01034 | IMPORTIN ALPHA |
| HS01035 | PHD FINGER PROTEIN |
| HS01036 | RHO GUANINE EXCHANGE FACTOR-RELATED |
| HS01037 | NAD P H OXIDOREDUCTASE-RELATED |
| HS01038 | T-CELL ACUTE LYMPHOCYTIC LEUKEMIA/STEM CELL LEUKEMIA-RELATED |
| HS01039 | VANG-LIKE PROTEIN |
| HS01040 | CALSEQUESTRIN |
| HS01041 | POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY E MEMBER 1, 3 |
| HS01042 | SOLUTE CARRIER FAMILY 5 |
| HS01043 | DOPEY-RELATED |
| HS01044 | REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN |
| HS01045 | ZINC FINGER CW-TYPE COILED-COIL DOMAIN PROTEIN 3. |
| HS01046 | CHROMATIN ASSEMBLY FACTOR 1 SUBUNIT B |
| HS01047 | AGAP004733-PA |
| HS01048 | BCL9 |
| HS01049 | BCL9 |
| HS01050 | ACID PHOSPHATASE-RELATED |
