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_05196INTEGRASE_SAM-LIKE_N DOMAIN-CONTAINING PROTEIN
Hgig_05197PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_05198
Hgig_05199BEIGE/BEACH-RELATED
Hgig_0520060S RIBOSOMAL PROTEIN L32 AND DNA-DIRECTED RNA POLYMERASE II, SUBUNIT N
Hgig_05201WD REPEAT CONTAINING PROTEIN 3 WDR3
Hgig_05202
Hgig_05203
Hgig_05204NUCLEAR HORMONE RECEPTOR HR3-RELATED
Hgig_05205NUCLEAR HORMONE RECEPTOR HR3-RELATED
Hgig_05206
Hgig_05207DNA REPLICATION-RELATED ELEMENT FACTOR, ISOFORM A
Hgig_05208RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_05209MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 13
Hgig_05210MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 13
Hgig_05211OSJNBA0013A04.12 PROTEIN
Hgig_05212ARRESTIN DOMAIN-CONTAINING PROTEIN D
Hgig_05213NAD-DEPENDENT PROTEIN DEACYLASE SIRTUIN-5, MITOCHONDRIAL-RELATED
Hgig_05214ARCHEASE
Hgig_05215EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT 7
Hgig_05216TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_05217ZGC:174356
Hgig_05218
Hgig_05219POTASSIUM CHANNEL, SUBFAMILY K
Hgig_05220
Hgig_05221PROTEIN DR1
Hgig_05222
Hgig_05223
Hgig_05224
Hgig_05225
Hgig_05226
Hgig_05227THYMIDYLATE SYNTHASE 1
Hgig_05228
Hgig_05229
Hgig_05230CRSP70
Hgig_05231TYROSINE-PROTEIN KINASE RECEPTOR
Hgig_05232PROTEIN CBG16327
Hgig_05233ATP-DEPENDENT RNA HELICASE DBP3
Hgig_05234HISTONE-LYSINE N-METHYLTRANSFERASE SETD1
Hgig_05235
Hgig_05236
Hgig_05237REVERSE TRANSCRIPTASES
Hgig_05238E3 UBIQUITIN-PROTEIN LIGASE RING1 / RING 2 FAMILY MEMBER
Hgig_05239
Hgig_05240TRANSCRIPTIONAL REPRESSOR PROTEIN YY
Hgig_05241
Hgig_05242CENTROSOMAL PROTEIN 2
Hgig_05243ACTIVATING TRANSCRIPTION FACTOR ATF 4/5
Hgig_05244RIBOSOMAL PROTEIN S9
Hgig_05245
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