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_21847ZINC-FINGER PROTEIN NOLZ1-RELATED
Hgig_21848
Hgig_21849ZINC-FINGER PROTEIN NOLZ1-RELATED
Hgig_21850
Hgig_21851FER-1-LIKE
Hgig_21852ENDOTHELIAL DIFFERENTIATION-RELATED FACTOR 1 MULTIPROTEIN BRIDGING FACTOR 1
Hgig_21853TRANSMEMBRANE CHANNEL-RELATED
Hgig_21854UBIQUITIN-CONJUGATING ENZYME E2
Hgig_21855
Hgig_21856DRAB11-RELATED
Hgig_21857REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_21858
Hgig_21859
Hgig_21860HERMANSKY-PUDLAK SYNDROME 4 PROTEIN LIGHT-EAR PROTEIN-RELATED
Hgig_21861
Hgig_21862UNCHARACTERIZED
Hgig_21863SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_21864CHAPERONIN
Hgig_21865BEAT PROTEIN
Hgig_21866METHYLTRANSFERASE LIKE 7B
Hgig_21867METHYLTRANSFERASE LIKE 7B
Hgig_21868METHYLTRANSFERASE LIKE 7B
Hgig_21869UNCHARACTERIZED
Hgig_21870HEAT SHOCK PROTEIN 90 HSP90 CO-CHAPERONE AHA-1
Hgig_21871
Hgig_21872
Hgig_21873METHYLTRANSFERASE LIKE 7B
Hgig_21874METHYLTRANSFERASE LIKE 7B
Hgig_21875METHYLTRANSFERASE LIKE 7B
Hgig_21876METHYLTRANSFERASE LIKE 7B
Hgig_21877HOMOLOGOUS TO DROSOPHILA SQD (SQUID) PROTEIN
Hgig_21878GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_21879GNAT FAMILY N-ACETYLTRANSFERASE
Hgig_21880GUANINE NUCLEOTIDE EXCHANGE FACTOR
Hgig_21881PKSB
Hgig_21882PROTEASE S51 ALPHA-ASPARTYL DIPEPTIDASE
Hgig_21883
Hgig_21884ANGIOTENSIN-CONVERTING ENZYME
Hgig_21885FATTY-ACID AMIDE HYDROLASE
Hgig_21886
Hgig_21887
Hgig_21888U2 SNRNP AUXILIARY FACTOR, SMALL SUBUNIT
Hgig_21889MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 24
Hgig_21890MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 24
Hgig_21891ARYLSULFATASE
Hgig_21892
Hgig_21893
Hgig_21894ARYLSULFATASE
Hgig_21895
Hgig_21896GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
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