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_26099
Hgig_26100
Hgig_26101
Hgig_26102
Hgig_26103DEATH-ASSOCIATED PROTEIN 1
Hgig_26104ADENOSINE/GUANOSINE DIPHOSPHATASE
Hgig_26105
Hgig_26106
Hgig_26107
Hgig_26108MITOCHONDRIAL RIBOSOMAL PROTEIN S25
Hgig_26109MITOCHONDRIAL RIBOSOMAL PROTEIN S25
Hgig_26110TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_26111
Hgig_26112
Hgig_26113
Hgig_26114
Hgig_26115
Hgig_26116TRIACYLGLYCEROL LIPASE
Hgig_26117LD44032P
Hgig_26118POL PROTEIN
Hgig_26119REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_26120LD44032P
Hgig_26121PROTEIN CBG27172
Hgig_26122TRANSMEMBRANE PROTEIN 234
Hgig_26123TETRASPANIN
Hgig_26124
Hgig_26125
Hgig_26126
Hgig_26127ENOLASE-PHOSPHATASE E1
Hgig_26128DOPAMINE BETA HYDROXYLASE RELATED
Hgig_26129WD40 REPEAT PF20
Hgig_26130BASIGIN RELATED
Hgig_26131
Hgig_26132SPHINGOMYELIN PHOSPHODIESTERASE
Hgig_26133SPHINGOMYELIN PHOSPHODIESTERASE
Hgig_26134VITAMIN K EPOXIDE REDUCTASE COMPLEX, SUBUNIT 1
Hgig_26135BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, HES-RELATED
Hgig_26136
Hgig_26137SPHINGOMYELIN PHOSPHODIESTERASE
Hgig_26138
Hgig_26139NAD(P)-BINDING ROSSMANN-FOLD SUPERFAMILY PROTEIN-RELATED
Hgig_26140WD REPEAT-CONTAINING PROTEIN 81
Hgig_26141WD REPEAT-CONTAINING PROTEIN 81
Hgig_26142WD REPEAT-CONTAINING PROTEIN 81
Hgig_26143
Hgig_26144ADAMTS A DISINTEGRIN AND METALLOPROTEASE WITH THROMBOSPONDIN MOTIFS PROTEASE
Hgig_26145ADAM A DISINTEGRIN AND METALLOPROTEASE DOMAIN
Hgig_26146RNA-BINDING PROTEIN MUSASHI HOMOLOG RBP6
Hgig_26147
Hgig_26148
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