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_04246BCDNA.LD26519-RELATED
Hgig_04247ZINC/IRON TRANSPORTER
Hgig_04248ANKYRIN REPEAT AND PROTEIN KINASE DOMAIN-CONTAINING PROTEIN
Hgig_04249
Hgig_04250BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_04251ANKYRIN REPEAT AND STERILE ALPHA MOTIF DOMAIN-CONTAINING PROTEIN 1
Hgig_04252ANKYRIN REPEAT FAMILY PROTEIN
Hgig_04253PROGRAMMED CELL DEATH PROTEIN 5
Hgig_04254MOLTING PROTEIN MLT-4
Hgig_04255LEUCINE-RICH REPEAT-CONTAINING
Hgig_04256SNF2/RAD54 FAMILY MEMBER
Hgig_04257
Hgig_04258
Hgig_04259LANC-LIKE PROTEIN
Hgig_04260
Hgig_04261LANC-LIKE PROTEIN
Hgig_04262LANC-LIKE PROTEIN
Hgig_04263
Hgig_04264
Hgig_04265ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_04266TELOMERE-ASSOCIATED PROTEIN RIF1
Hgig_04267
Hgig_04268UNCHARACTERIZED
Hgig_04269CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_04270
Hgig_04271
Hgig_04272GH04942P
Hgig_04273
Hgig_04274REVERSE TRANSCRIPTASE
Hgig_04275PHOSPHATIDYLINOSITOL-GLYCAN BIOSYNTHESIS CLASS F PROTEIN-RELATED
Hgig_04276-
Hgig_04277REVERSE TRANSCRIPTASE
Hgig_04278
Hgig_04279DDE_TNP_1_7 DOMAIN-CONTAINING PROTEIN
Hgig_04280
Hgig_04281
Hgig_04282DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_04283
Hgig_04284REVERSE TRANSCRIPTASE
Hgig_04285
Hgig_04286
Hgig_04287
Hgig_04288
Hgig_04289
Hgig_04290
Hgig_04291
Hgig_04292CYCLIC NUCLEOTIDE-GATED CATION CHANNEL SUBUNIT A
Hgig_04293UNCHARACTERIZED
Hgig_04294
Hgig_04295
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