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_22597PROTEIN PHOSPHATASE
Hgig_22598UBIQUITIN-CONJUGATING ENZYME E2
Hgig_22599PROTEIN CBG27172
Hgig_22600
Hgig_22601PHOSPHATASE AND ACTIN REGULATOR PHACTR
Hgig_22602
Hgig_22603
Hgig_22604
Hgig_22605GAG-RELATED PROTEIN
Hgig_22606ATP-DEPENDENT RNA HELICASE DBP3
Hgig_22607UNCHARACTERIZED
Hgig_22608UDP-GLUCOSE DEHYDROGENASE/UDP-MANNAC DEHYDROGENASE
Hgig_22609LIPOMA HMGIC FUSION PARTNER-LIKE PROTEIN
Hgig_22610
Hgig_22611UDP-GLUCOSE DEHYDROGENASE/UDP-MANNAC DEHYDROGENASE
Hgig_22612UNCHARACTERIZED PROTEIN KIAA2013
Hgig_22613UNCHARACTERIZED PROTEIN KIAA2013
Hgig_22614G KINASE ANCHORING PROTEIN 1
Hgig_22615WD-REPEAT PROTEIN INTERACTING WITH PHOSPHOINOSIDES WIPI -RELATED
Hgig_22616DNA-DIRECTED RNA POLYMERASE
Hgig_22617INNER CENTROMERE PROTEIN
Hgig_22618
Hgig_22619
Hgig_22620
Hgig_22621SOLUTE CARRIER FAMILY 17
Hgig_22622
Hgig_22623GANGLIOSIDE INDUCED DIFFERENTIATION ASSOCIATED PROTEIN 2-RELATED
Hgig_22624GANGLIOSIDE INDUCED DIFFERENTIATION ASSOCIATED PROTEIN 2-RELATED
Hgig_22625ATP-BINDING CASSETTE SUB-FAMILY C
Hgig_22626
Hgig_22627ATP-BINDING CASSETTE SUB-FAMILY C
Hgig_22628
Hgig_22629CYSTEINE-RICH MOTOR NEURON 1 PROTEIN
Hgig_22630
Hgig_22631
Hgig_22632
Hgig_22633TUBULIN POLYGLUTAMYLASE
Hgig_22634PROTEIN ARGININE N-METHYLTRANSFERASE
Hgig_22635COLLAGEN ALPHA
Hgig_22636
Hgig_22637SUBGROUP IIII AMINOTRANSFERASE
Hgig_22638COILED-COIL DOMAIN-CONTAINING PROTEIN 51
Hgig_22639PEPTIDYL-PROLYL CIS-TRANS ISOMERASE-RELATED
Hgig_22640PEPTIDYL-PROLYL CIS-TRANS ISOMERASE-RELATED
Hgig_22641
Hgig_22642INTERFERON-RELATED DEVELOPMENTAL REGULATOR
Hgig_22643
Hgig_22644ISOMERASE
Hgig_22645
Hgig_22646EUKARYOTIC ELONGATION FACTOR 2 KINASE-RELATED
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