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_02846MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02847UNCHARACTERIZED
Hgig_02848UNCHARACTERIZED
Hgig_02849
Hgig_02850
Hgig_02851
Hgig_02852
Hgig_02853
Hgig_02854
Hgig_02855
Hgig_02856UNCHARACTERIZED
Hgig_02857
Hgig_02858
Hgig_02859
Hgig_02860
Hgig_02861PECANEX
Hgig_02862PROTEIN CBG27172
Hgig_02863PECANEX
Hgig_02864PECANEX
Hgig_02865SERINE-THREONINE PROTEIN KINASE
Hgig_02866
Hgig_02867
Hgig_02868FGFR1 ONCOGENE PARTNER/LISH DOMAIN-CONTAINING PROTEIN
Hgig_02869TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_02870IMPORTIN BETA
Hgig_02871
Hgig_02872
Hgig_02873SERINE/THREONINE-PROTEIN PHOSPHATASE PP2A 65 KDA REGULATORY SUBUNIT
Hgig_02874NUCLEOPORIN NUP35
Hgig_02875CHONDROITIN SYNTHASE
Hgig_02876
Hgig_02877PUTATIVE PHOSPHOTRANSFERASE
Hgig_02878
Hgig_02879
Hgig_02880INTERLEUKIN ENHANCER-BINDING FACTOR
Hgig_02881
Hgig_02882CALPAIN
Hgig_02883CALPAIN
Hgig_02884IONOTROPIC RECEPTOR 20A-RELATED
Hgig_02885DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_02886DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_02887PEROXISOMAL MULTIFUNCTIONAL ENZYME TYPE 2-RELATED
Hgig_02888DYNEIN INTERMEDIATE CHAIN
Hgig_02889
Hgig_02890DNA POLYMERASE EPSILON SUBUNIT B
Hgig_02891-
Hgig_02892
Hgig_02893CASEIN KINASE-RELATED
Hgig_02894SULFOTRANSFERASE SULT
Hgig_02895TETRASPANIN
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