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_20247KELCH PROTEIN
Hgig_20248
Hgig_20249
Hgig_20250
Hgig_20251
Hgig_20252TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 10
Hgig_20253
Hgig_20254
Hgig_20255MULTIPLE PDZ DOMAIN PROTEIN
Hgig_20256MULTIPLE PDZ DOMAIN PROTEIN
Hgig_20257MULTIPLE PDZ DOMAIN PROTEIN
Hgig_20258MULTIPLE PDZ DOMAIN PROTEIN
Hgig_20259ATP-DEPENDENT RNA HELICASE DBP3
Hgig_20260
Hgig_20261IRON-SULFUR CLUSTER ASSEMBLY 2 HOMOLOG, MITOCHONDRIAL
Hgig_20262
Hgig_20263ZINC FINGER PROTEIN
Hgig_20264ZINC FINGER AND SCAN DOMAIN-CONTAINING
Hgig_20265ZINC FINGER PROTEIN
Hgig_20266PERIOSTIN-RELATED
Hgig_20267CHITINASE
Hgig_20268
Hgig_20269ZINC FINGER PROTEIN
Hgig_20270TRANSPOSASE-RELATED
Hgig_20271ZINC FINGER PROTEIN
Hgig_20272
Hgig_20273
Hgig_20274FINGER PUTATIVE TRANSCRIPTION FACTOR FAMILY-RELATED
Hgig_20275
Hgig_20276ZINC FINGER PROTEIN
Hgig_20277
Hgig_20278ZINC FINGER AND SCAN DOMAIN-CONTAINING
Hgig_20279PR DOMAIN ZINC FINGER PROTEIN
Hgig_20280ZINC FINGER PROTEIN
Hgig_20281ZINC FINGER PROTEIN
Hgig_20282
Hgig_20283ZINC FINGER PROTEIN 142
Hgig_20284ZINC FINGER PROTEIN
Hgig_20285OSJNBA0013A04.12 PROTEIN
Hgig_20286
Hgig_20287
Hgig_20288
Hgig_20289PROTEIN CBG27172
Hgig_20290
Hgig_20291
Hgig_20292CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_20293
Hgig_20294ZINC FINGER PROTEIN
Hgig_20295
Hgig_20296
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