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_24147
Hgig_24148
Hgig_24149TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_24150TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24151RE43931P-RELATED
Hgig_24152ALANINE--GLYOXYLATE AMINOTRANSFERASE 2, MITOCHONDRIAL
Hgig_24153
Hgig_24154
Hgig_24155
Hgig_24156
Hgig_24157TUMOR PROTEIN D52
Hgig_24158
Hgig_24159
Hgig_24160-
Hgig_24161TRYPTOPHANYL-TRNA SYNTHETASE
Hgig_24162UNCHARACTERIZED
Hgig_24163
Hgig_24164PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_24165FALZ-RELATED BROMODOMAIN-CONTAINING PROTEINS
Hgig_24166RBP-RELATED
Hgig_24167CGI-140
Hgig_24168FALZ-RELATED BROMODOMAIN-CONTAINING PROTEINS
Hgig_24169RIBOSOMAL PROTEIN L5-RELATED
Hgig_24170
Hgig_24171
Hgig_24172ANKYRIN REPEAT AND PROTEIN KINASE DOMAIN-CONTAINING PROTEIN
Hgig_24173ANKYRIN REPEAT-CONTAINING
Hgig_24174
Hgig_24175ANKYRIN REPEAT CONTAINING
Hgig_24176PORCUPINE
Hgig_24177FLAP ENDONUCLEASE FAMILY MEMBER
Hgig_24178FLAP ENDONUCLEASE FAMILY MEMBER
Hgig_24179UNCHARACTERIZED
Hgig_24180
Hgig_24181U7 SNRNA-ASSOCIATED SM-LIKE PROTEIN LSM11
Hgig_24182U7 SNRNA-ASSOCIATED SM-LIKE PROTEIN LSM11
Hgig_24183
Hgig_24184ETS
Hgig_24185
Hgig_24186SOLUTE CARRIER FAMILY 39 ZINC TRANSPORTER , MEMBER 9-RELATED
Hgig_24187PLACENTAL PROTEIN 11-RELATED
Hgig_24188PLACENTAL PROTEIN 11-RELATED
Hgig_24189HEMOPEXIN DOMAIN-CONTAINING PROTEIN
Hgig_24190OPSIN
Hgig_24191SORBITOL DEHYDROGENASE
Hgig_24192
Hgig_24193HISTONE-LYSINE N-METHYLTRANSFERASE E(Z)
Hgig_24194HISTONE-LYSINE N-METHYLTRANSFERASE E(Z)
Hgig_24195
Hgig_24196HISTONE-LYSINE N-METHYLTRANSFERASE E(Z)
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