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_05246
Hgig_05247
Hgig_05248
Hgig_05249
Hgig_05250LIPASE
Hgig_05251TUBULIN
Hgig_05252NEUROTRANSMITTER GATED ION CHANNEL
Hgig_05253TUBULIN
Hgig_05254
Hgig_05255
Hgig_05256ADP-RIBOSYLATION FACTOR-LIKE PROTEIN 16
Hgig_0525730S RIBOSOMAL PROTEIN S18
Hgig_05258
Hgig_05259REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_05260PA14 DOMAIN-CONTAINING PROTEIN
Hgig_05261PROTEIN PHOSPHATASE 1 REGULATORY SUBUNIT SDS22-RELATED
Hgig_05262FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_05263AGAP001705-PA
Hgig_05264
Hgig_05265POTASSIUM CHANNEL, SUBFAMILY K
Hgig_05266FIVE-SPAN TRANSMEMBRANE PROTEIN M83
Hgig_05267
Hgig_05268PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_05269STAGA COMPLEX 65 SUBUNIT GAMMA
Hgig_05270PROTEIN CBG26694
Hgig_05271SIGNAL RECOGNITION PARTICLE 19 KD PROTEIN
Hgig_05272-
Hgig_05273
Hgig_05274
Hgig_05275ATP-DEPENDENT RNA AND DNA HELICASE
Hgig_05276
Hgig_05277
Hgig_05278BROMO ADJACENT HOMOLOGY DOMAIN-CONTAINING 1 PROTEIN
Hgig_05279
Hgig_05280CAPZ-INTERACTING PROTEIN AND RELATED PROTEINS
Hgig_05281
Hgig_05282
Hgig_05283ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
Hgig_05284TRANSMEMBRANE PROTEIN 98
Hgig_05285
Hgig_05286
Hgig_05287
Hgig_05288JM1 PROTEIN
Hgig_05289RIBOSOMAL PROTEIN L5-RELATED
Hgig_05290ENDONUCLEASE
Hgig_05291
Hgig_05292REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_05293PROTEIN CBG27172
Hgig_05294E3 UBIQUITIN-PROTEIN LIGASE SIAH2
Hgig_05295MITOFERRIN-1-RELATED
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