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 |
|---|---|
| HS18351 | SIGNALING LYMPHOCYTIC ACTIVATION MOLECULE |
| HS18352 | SIGNALING LYMPHOCYTIC ACTIVATION MOLECULE |
| HS18353 | VANG-LIKE PROTEIN |
| HS18354 | |
| HS18355 | RHO GUANINE NUCLEOTIDE EXCHANGE FACTOR 2, ISOFORM D |
| HS18356 | MYELOID-ASSOCIATED DIFFERENTIATION MARKER MYADM FAMILY MEMBER |
| HS18357 | GTPASE, IMAP FAMILY MEMBER-RELATED |
| HS18358 | GTPASE, IMAP FAMILY MEMBER-RELATED |
| HS18359 | ENDONUCLEASE-RELATED |
| HS18360 | BILE ACID BETA-GLUCOSIDASE-RELATED |
| HS18361 | REDUCED GROWTH PHENOTYPE 1 RGP1, YEAST -RELATED |
| HS18362 | BETA-MICROSEMINOPROTEIN |
| HS18363 | PHOSPHATIDYLINOSITOL KINASE |
| HS18364 | LIM DOMAIN KINASE 1 |
| HS18365 | FATTY-ACID AMIDE HYDROLASE |
| HS18366 | NEGATIVE ELONGATION FACTOR A NELF-A |
| HS18367 | NEUROPEPTIDE-LIKE PROTEIN C4ORF48 |
| HS18368 | GNAT FAMILY N-ACETYLTRANSFERASE |
| HS18369 | DNA POLYMERASE I |
| HS18370 | GOLGIN- RELATED |
| HS18371 | PROSTAGLANDIN REDUCTASE |
| HS18372 | THIOREDOXIN-LIKE PROTEIN 1 |
| HS18373 | COMPLEMENT COMPONENT-RELATED SUSHI DOMAIN-CONTAINING |
| HS18374 | AMINO ACID TRANSPORTER |
| HS18375 | |
| HS18376 | GMP REDUCTASE |
| HS18377 | B-BOX DOMAIN CONTAINING |
| HS18378 | B-BOX DOMAIN CONTAINING |
| HS18379 | ZINC-FINGERS AND HOMEOBOXES RELATED |
| HS18380 | CELL DEATH ACTIVATOR CIDE |
| HS18381 | TERF1-INTERACTING NUCLEAR FACTOR 2 |
| HS18382 | DEHYDROGENASE/REDUCTASE (SDR FAMILY) MEMBER 4 |
| HS18383 | CAS SCAFFOLDING PROTEIN |
| HS18384 | APOPTOTIC CHROMATIN CONDENSATION INDUCER IN THE NUCLEUS |
| HS18385 | |
| HS18386 | LIM DOMAIN-CONTAINING PROTEIN JUB |
| HS18387 | 39S RIBOSOMAL PROTEIN L52, MITOCHONDRIAL |
| HS18388 | MATRIX METALLOPROTEINASE |
| HS18389 | LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED |
| HS18390 | |
| HS18391 | LEISHMANOLYSIN-LIKE PEPTIDASE |
| HS18392 | |
| HS18393 | UBIQUITIN CARBOXYL-TERMINAL HYDROLASE |
| HS18394 | OXA1 |
| HS18395 | AMINO ACID TRANSPORTER |
| HS18396 | SAL-LIKE PROTEIN |
| HS18397 | E3 UBIQUITIN-PROTEIN LIGASE CCNB1IP1 |
| HS18398 | TETRATRICOPEPTIDE REPEAT PROTEIN 5 |
| HS18399 | N6-ADENOSINE-METHYLTRANSFERASE |
| HS18400 |
