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_16447 | |
Hgig_16448 | WD REPEAT-CONTAINING PROTEIN 75 |
Hgig_16449 | SUPEROXIDE DISMUTASE CU-ZN -RELATED |
Hgig_16450 | SHIPPO-1-RELATED |
Hgig_16451 | |
Hgig_16452 | F13M7.16 PROTEIN |
Hgig_16453 | TRANSAMIDASE |
Hgig_16454 | TRANSPOSASE-RELATED |
Hgig_16455 | |
Hgig_16456 | |
Hgig_16457 | |
Hgig_16458 | PROTEIN CBG26694 |
Hgig_16459 | LUNG SEVEN TRANSMEMBRANE RECEPTOR |
Hgig_16460 | REVERSE TRANSCRIPTASE |
Hgig_16461 | THIOPURINE S-METHYLTRANSFERASE |
Hgig_16462 | RETROTRANSPOSON |
Hgig_16463 | SOLUTE CARRIER FAMILY 33 ACETYL-COA TRANSPORTER -RELATED |
Hgig_16464 | SOLUTE CARRIER FAMILY 33 ACETYL-COA TRANSPORTER -RELATED |
Hgig_16465 | |
Hgig_16466 | |
Hgig_16467 | |
Hgig_16468 | |
Hgig_16469 | |
Hgig_16470 | |
Hgig_16471 | |
Hgig_16472 | GUANYLATE CYCLASE SOLUBLE SUBUNIT BETA-2 |
Hgig_16473 | G-PROTEIN COUPLED RECEPTOR |
Hgig_16474 | KRAB DOMAIN C2H2 ZINC FINGER |
Hgig_16475 | SPLICEOSOME ASSOCIATED PROTEIN 114/SWAP SPLICING FACTOR-RELATED |
Hgig_16476 | PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN |
Hgig_16477 | |
Hgig_16478 | |
Hgig_16479 | ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN |
Hgig_16480 | GLYCOSYLTRANSFERASE |
Hgig_16481 | TRNA PSEUDOURIDINE SYNTHASE D |
Hgig_16482 | TRNA PSEUDOURIDINE SYNTHASE D |
Hgig_16483 | TRANSPOSON TY3-I GAG-POL POLYPROTEIN |
Hgig_16484 | PROTEIN CBG26694 |
Hgig_16485 | |
Hgig_16486 | MPS ONE BINDER KINASE ACTIVATOR-LIKE MOB |
Hgig_16487 | NUCLEAR HORMONE RECEPTOR |
Hgig_16488 | |
Hgig_16489 | REVERSE TRANSCRIPTASE |
Hgig_16490 | TRANSCRIPTION INITIATION FACTOR TFIID |
Hgig_16491 | S-ADENOSYLMETHIONINE DECARBOXYLASE |
Hgig_16492 | RAB6A-GEF COMPLEX PARTNER PROTEIN 1 |
Hgig_16493 | TRANSCRIPTION INITIATION FACTOR TFIID |
Hgig_16494 | TRANSCRIPTION INITIATION FACTOR TFIID |
Hgig_16495 | |
Hgig_16496 |