About Hirondellea gigas

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.


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Hirondellea gigasArthropoda-Deep sea6,800-11,000Mariana Trench in the northwestern Pacific Ocean1518452

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completenessGene Number
-13.92GbChromosome2025CNA0142381-CNP000537489.34%27,881

References
TitleJournalPubmed ID
The amphipod genome reveals population dynamics and adaptations to hadal environmentCell40054448

Gene Information

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Gene IDDescription
Hgig_21197
Hgig_21198
Hgig_21199-
Hgig_21200G PROTEIN-COUPLED RECEPTOR KINASE/RIBOSOMAL PROTEIN S6 KINASE
Hgig_21201
Hgig_21202CENTROMERE PROTEIN E
Hgig_21203SI:CH211-266K2.1
Hgig_21204PHOSPHATIDYLINOSITOL-GLYCAN BIOSYNTHESIS CLASS F PROTEIN-RELATED
Hgig_21205BOMBESIN RECEPTOR-ACTIVATED PROTEIN C6ORF89
Hgig_21206TUBULIN
Hgig_21207
Hgig_21208HISTIDINE-RICH GLYCOPROTEIN
Hgig_21209
Hgig_21210PHOSPHOLIPASE A2 FAMILY MEMBER
Hgig_21211PAIRED BOX PROTEIN PAX-6-RELATED-RELATED
Hgig_21212ANGIOTENSIN-CONVERTING ENZYME
Hgig_21213
Hgig_21214
Hgig_21215
Hgig_21216
Hgig_21217NPC INTRACELLULAR CHOLESTEROL TRANSPORTER 1
Hgig_21218NPC INTRACELLULAR CHOLESTEROL TRANSPORTER 1
Hgig_21219
Hgig_21220PROTEIN CBG26694
Hgig_21221RNA RECOGNITION MOTIF RRM DOMAIN CONTAINING PROTEIN
Hgig_21222
Hgig_21223
Hgig_21224RNA RECOGNITION MOTIF RRM DOMAIN CONTAINING PROTEIN
Hgig_21225UNCHARACTERIZED
Hgig_21226ES1 PROTEIN HOMOLOG, MITOCHONDRIAL
Hgig_21227
Hgig_21228CARBOHYDRATE SULFOTRANSFERASE
Hgig_21229FI07246P-RELATED-RELATED
Hgig_21230
Hgig_21231
Hgig_21232
Hgig_21233
Hgig_21234
Hgig_21235FI07246P-RELATED-RELATED
Hgig_21236
Hgig_21237
Hgig_21238
Hgig_21239
Hgig_21240FI07246P-RELATED-RELATED
Hgig_21241
Hgig_21242
Hgig_21243
Hgig_21244
Hgig_21245
Hgig_21246
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