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_25299
Hgig_25300SLINGSHOT PROTEIN PHOSPHATASE HOMOLOG
Hgig_25301
Hgig_25302
Hgig_25303
Hgig_25304
Hgig_25305GUANYLATE CYCLASE SOLUBLE SUBUNIT BETA-2
Hgig_25306NEUROBLAST DIFFERENTIATION-ASSOCIATED PROTEIN AHNAK-LIKE PROTEIN
Hgig_25307
Hgig_25308DNA POLYMERASE SUBUNIT GAMMA-1
Hgig_25309
Hgig_25310CYCLIN DEPENDANT KINASE-5 ACTIVATOR
Hgig_25311SH3 DOMAIN-CONTAINING
Hgig_25312
Hgig_25313RHOMBOID-RELATED PROTEIN
Hgig_25314LD44762P
Hgig_25315
Hgig_25316B2 BRADYKININ RECEPTOR/ANGIOTENSIN II RECEPTOR
Hgig_25317UNCHARACTERIZED
Hgig_25318
Hgig_2531939S RIBOSOMAL PROTEIN L52, MITOCHONDRIAL
Hgig_25320PEROXISOME ASSEMBLY PROTEIN 10
Hgig_25321NGFI-A BINDING PROTEIN
Hgig_25322ATP-DEPENDENT RNA HELICASE DBP3
Hgig_25323ATP-DEPENDENT RNA HELICASE DBP3
Hgig_25324ATP-DEPENDENT RNA HELICASE DBP3
Hgig_25325UBX DOMAIN-CONTAINING PROTEIN 1
Hgig_25326
Hgig_25327
Hgig_25328MAP/MICROTUBULE AFFINITY-REGULATING KINASE
Hgig_25329MAP/MICROTUBULE AFFINITY-REGULATING KINASE
Hgig_25330MOTOR NEURON AND PANCREAS HOMEOBOX PROTEIN
Hgig_25331MOTOR NEURON AND PANCREAS HOMEOBOX PROTEIN
Hgig_25332
Hgig_25333GH11867P
Hgig_25334RNA BINDING MOTIF RBM PROTEIN -RELATED
Hgig_25335REVERSE TRANSCRIPTASES
Hgig_25336DNA-DIRECTED RNA POLYMERASE
Hgig_25337TTC17 PROTEIN
Hgig_25338DNA-DIRECTED RNA POLYMERASE
Hgig_25339PROTEIN CBG15282-RELATED
Hgig_25340
Hgig_25341ARYLSULFATASE
Hgig_25342ARYLSULFATASE
Hgig_25343
Hgig_25344RE38146P
Hgig_25345N-LINKED OLIGOSACCHARIDE PROCESSING
Hgig_25346TYROSINE-PROTEIN KINASE
Hgig_25347
Hgig_25348TYROSINE-PROTEIN KINASE
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