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_09597
Hgig_09598
Hgig_09599
Hgig_09600
Hgig_09601NADH-CYTOCHROME B5 REDUCTASE
Hgig_09602SINGLE-STRANDED DNA-BINDING PROTEIN
Hgig_09603HYPOXIA-INDUCIBLE FACTOR 1 ALPHA INHIBITOR-RELATED
Hgig_09604-
Hgig_09605HYPOXIA-INDUCIBLE FACTOR 1 ALPHA INHIBITOR-RELATED
Hgig_09606
Hgig_09607
Hgig_09608MPS ONE BINDER KINASE ACTIVATOR-LIKE MOB
Hgig_09609POLY [ADP-RIBOSE] POLYMERASE
Hgig_09610PACHYTENE CHECKPOINT PROTEIN 2
Hgig_09611ELECTRON TRANSPORT PROTIN SCO1/SENC FAMILY MEMBER
Hgig_09612EXTENDED SYNAPTOTAGMIN-LIKE PROTEIN 2, ISOFORM C
Hgig_09613
Hgig_09614FAS APOPTOTIC INHIBITORY MOLECULE FAIM
Hgig_09615SOLUTE CARRIER FAMILY 2
Hgig_09616SOLUTE CARRIER FAMILY 2
Hgig_09617HEN1
Hgig_09618RE52028P
Hgig_09619GLYCOLIPID TRANSFER PROTEIN-RELATED
Hgig_09620
Hgig_09621PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_09622
Hgig_09623REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_09624
Hgig_09625
Hgig_09626
Hgig_09627PROTEASE FAMILY S9B,C DIPEPTIDYL-PEPTIDASE IV-RELATED
Hgig_09628
Hgig_09629
Hgig_09630HISTONE DEACETYLASE HDAC1-RELATED
Hgig_09631SOLUTE CARRIER FAMILY 5
Hgig_09632RIBOSOMAL PROTEIN S7
Hgig_09633WW DOMAIN-BINDING PROTEIN 11
Hgig_09634RIBOSOMAL PROTEIN S7
Hgig_09635RALA BINDING PROTEIN 1 RALBP1
Hgig_09636PROTEIN PHOSPHATASE 1 REGULATORY SUBUNIT 12
Hgig_09637IMMUNOGLOBULIN-BINDING PROTEIN 1
Hgig_09638RALA BINDING PROTEIN 1 RALBP1
Hgig_09639SUCCINATE DEHYDROGENASE
Hgig_09640SERINE PROTEASE-RELATED
Hgig_09641
Hgig_09642SERINE PROTEASE-RELATED
Hgig_09643PHYTOENE DEHYDROGENASE
Hgig_09644UPF0692 PROTEIN C19ORF54
Hgig_09645PHYTOENE DEHYDROGENASE
Hgig_09646
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