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_078971,4-BETA-D-GLUCAN CELLOBIOHYDROLASE B
Hgig_078981,4-BETA-D-GLUCAN CELLOBIOHYDROLASE B
Hgig_07899REVERSE TRANSCRIPTASE
Hgig_07900
Hgig_07901DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_07902PROTEIN, PUTATIVE-RELATED
Hgig_07903
Hgig_07904
Hgig_07905
Hgig_07906MYD88
Hgig_07907TRANSCRIPTION FACTOR LBX
Hgig_07908
Hgig_07909TRANSCRIPTION FACTOR LBX
Hgig_07910REVERSE TRANSCRIPTASE
Hgig_07911REVERSE TRANSCRIPTASE
Hgig_07912
Hgig_07913HOMEOBOX PROTEIN NKX
Hgig_07914HOMEOBOX PROTEIN NKX
Hgig_07915REVERSE TRANSCRIPTASE
Hgig_07916REVERSE TRANSCRIPTASE
Hgig_07917
Hgig_07918NPC INTRACELLULAR CHOLESTEROL TRANSPORTER 1
Hgig_07919AAA-FAMILY ATPASE
Hgig_07920MADF DOMAIN TRANSCRIPTION FACTOR
Hgig_07921AAA-FAMILY ATPASE
Hgig_07922MADF DOMAIN TRANSCRIPTION FACTOR
Hgig_07923PROTEIN TINCAR
Hgig_07924
Hgig_07925TRANSPOSABLE ELEMENT-RELATED
Hgig_07926TRANSPOSABLE ELEMENT-RELATED
Hgig_07927
Hgig_07928
Hgig_07929PROTEIN CBG27172
Hgig_07930
Hgig_07931TENEURIN AND N-ACETYLGLUCOSAMINE-1-PHOSPHODIESTER ALPHA-N-ACETYLGLUCOSAMINIDASE
Hgig_07932
Hgig_07933ARSENICAL PUMP-DRIVING ATPASE ARSENITE-TRANSLOCATING ATPASE
Hgig_07934DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_07935
Hgig_07936MITOGEN-ACTIVATED PROTEIN KINASE
Hgig_07937
Hgig_07938
Hgig_07939SH3 AND MULTIPLE ANKYRIN REPEAT DOMAINS PROTEIN
Hgig_07940
Hgig_07941
Hgig_07942
Hgig_07943
Hgig_07944
Hgig_07945
Hgig_07946BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, TWIST
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