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_16397 | |
Hgig_16398 | |
Hgig_16399 | PROTEIN CBG27172 |
Hgig_16400 | SERUM RESPONSE FACTOR HOMOLOG |
Hgig_16401 | SUPPRESSOR OF FUSED |
Hgig_16402 | PROTEIN ARGININE N-METHYLTRANSFERASE |
Hgig_16403 | RIBONUCLEASE P SUBUNIT P30 |
Hgig_16404 | |
Hgig_16405 | INTEGRASE_SAM-LIKE_N DOMAIN-CONTAINING PROTEIN |
Hgig_16406 | RAB6A-GEF COMPLEX PARTNER PROTEIN 1 |
Hgig_16407 | S-ADENOSYLMETHIONINE DECARBOXYLASE |
Hgig_16408 | SYNAPTIC VESICLE GLYCOPROTEIN 2 |
Hgig_16409 | |
Hgig_16410 | |
Hgig_16411 | |
Hgig_16412 | TUBBY-RELATED |
Hgig_16413 | TUBBY-RELATED |
Hgig_16414 | TUBBY-RELATED |
Hgig_16415 | TUBBY-RELATED |
Hgig_16416 | |
Hgig_16417 | |
Hgig_16418 | |
Hgig_16419 | MITOCHONDRIAL BASIC AMINO ACIDS TRANSPORTER-RELATED |
Hgig_16420 | |
Hgig_16421 | NEUROTRANSMITTER GATED ION CHANNEL |
Hgig_16422 | NEUROTRANSMITTER GATED ION CHANNEL |
Hgig_16423 | |
Hgig_16424 | NEUROTRANSMITTER GATED ION CHANNEL |
Hgig_16425 | |
Hgig_16426 | |
Hgig_16427 | REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN |
Hgig_16428 | |
Hgig_16429 | TRANSPOSASE-RELATED |
Hgig_16430 | SUPPRESSOR OF VARIEGATION 4-20-RELATED |
Hgig_16431 | |
Hgig_16432 | |
Hgig_16433 | EXPORTIN 1/5 |
Hgig_16434 | NEUROTRANSMITTER GATED ION CHANNEL |
Hgig_16435 | REVERSE TRANSCRIPTASE |
Hgig_16436 | SI:CH211-262H13.3-RELATED-RELATED |
Hgig_16437 | |
Hgig_16438 | |
Hgig_16439 | LIPASE |
Hgig_16440 | REVERSE TRANSCRIPTASE |
Hgig_16441 | |
Hgig_16442 | |
Hgig_16443 | BEAT PROTEIN |
Hgig_16444 | ZINC FINGER PROTEIN WITH KRAB AND SCAN DOMAINS |
Hgig_16445 | WD REPEAT-CONTAINING PROTEIN 75 |
Hgig_16446 | ZINC FINGER PROTEIN WITH KRAB AND SCAN DOMAINS |