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_07246
Hgig_07247UNCHARACTERIZED
Hgig_07248REVERSE TRANSCRIPTASE
Hgig_07249
Hgig_07250
Hgig_07251REVERSE TRANSCRIPTASES
Hgig_07252NEUROLIGIN
Hgig_07253CDP-DIACYLGLYCEROL--SERINE O-PHOSPHATIDYLTRANSFERASE
Hgig_07254CDP-DIACYLGLYCEROL--SERINE O-PHOSPHATIDYLTRANSFERASE
Hgig_07255CDP-DIACYLGLYCEROL--SERINE O-PHOSPHATIDYLTRANSFERASE
Hgig_07256
Hgig_07257POPEYE DOMAIN CONTAINING PROTEIN
Hgig_07258
Hgig_07259REVERSE TRANSCRIPTASE
Hgig_07260POPEYE DOMAIN CONTAINING PROTEIN
Hgig_07261PPP4R2-RELATED PROTEIN
Hgig_07262
Hgig_07263PROTEIN CBG27172
Hgig_07264KALLIKREIN-RELATED
Hgig_07265PROTEIN CBG27172
Hgig_07266
Hgig_07267AMINO ACID TRANSPORTER
Hgig_07268GOLGI MEMBRANE PROTEIN YIP1
Hgig_07269
Hgig_07270UNCHARACTERIZED
Hgig_07271
Hgig_07272ZINC FINGER HIT DOMAIN CONTAINING PROTEIN 2 PROTEIN FON -RELATED
Hgig_07273
Hgig_07274OS02G0815200 PROTEIN
Hgig_07275FORKHEAD BOX PROTEIN N3-LIKE PROTEIN-RELATED
Hgig_07276
Hgig_07277
Hgig_07278
Hgig_07279REVERSE TRANSCRIPTASE
Hgig_07280
Hgig_07281WSCD FAMILY MEMBER CG9164
Hgig_07282-
Hgig_07283
Hgig_07284PROTEIN DIAPHANOUS
Hgig_07285
Hgig_07286
Hgig_07287HEADCASE PROTEIN
Hgig_07288
Hgig_07289PHOSPHOGLYCERATE KINASE
Hgig_07290LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_07291CAMP-REGULATED PHOSPHOPROTEIN 21 RELATED R3H DOMAIN CONTAINING PROTEIN
Hgig_07292
Hgig_07293
Hgig_07294ARSENITE INDUCUBLE RNA ASSOCIATED PROTEIN AIP-1-RELATED
Hgig_07295DYNAMIN
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