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_09147ALANYL-TRNA SYNTHETASE
Hgig_09148ENDOSULFINE
Hgig_09149N-ALPHA-ACETYLTRANSFERASE 30
Hgig_09150
Hgig_09151ADAPTIN, ALPHA/GAMMA/EPSILON
Hgig_09152STOMATIN-LIKE PROTEIN 2, MITOCHONDRIAL
Hgig_09153ADAPTIN, ALPHA/GAMMA/EPSILON
Hgig_09154LD41958P
Hgig_09155
Hgig_09156
Hgig_09157
Hgig_09158
Hgig_09159CALCIUM-INDEPENDENT PHOSPHOLIPASE A2
Hgig_09160
Hgig_09161GDP-L-FUCOSE SYNTHASE
Hgig_09162REVERSE TRANSCRIPTASES
Hgig_09163
Hgig_09164AGAP004733-PA
Hgig_09165CAAX PRENYL PROTEASE 1
Hgig_09166
Hgig_09167
Hgig_09168
Hgig_09169
Hgig_09170SCAFFOLD ATTACHMENT FACTOR B-RELATED
Hgig_09171ALPHA-(1,3)-FUCOSYLTRANSFERASE C-RELATED
Hgig_09172SCAFFOLD ATTACHMENT FACTOR B-RELATED
Hgig_09173
Hgig_09174
Hgig_09175NUDIX HYDROLASE, NUDC SUBFAMILY
Hgig_09176MEMBER OF THE HIR1 FAMILY OF WD-REPEAT PROTEINS
Hgig_09177MITOCHONDRIAL IMPORT INNER MEMBRANE TRANSLOCASE SUBUNIT TIM44
Hgig_09178TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_09179
Hgig_09180CARBAMOYLTRANSFERASE FAMILY MEMBER
Hgig_09181PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1
Hgig_09182CARBAMOYLTRANSFERASE FAMILY MEMBER
Hgig_09183CARBAMOYLTRANSFERASE FAMILY MEMBER
Hgig_09184CARBAMOYLTRANSFERASE FAMILY MEMBER
Hgig_09185ALLANTOINASE
Hgig_09186ORNITHINE CARBAMOYLTRANSFERASE, MITOCHONDRIAL
Hgig_09187SHISA
Hgig_0918839S RIBOSOMAL PROTEIN L14, MITOCHONDRIAL
Hgig_09189RNA BINDING PROTEIN
Hgig_09190POLY A -SPECIFIC RIBONUCLEASE/TARGET OF EGR1, MEMBER 1
Hgig_09191MITOCHONDRIAL 2-OXODICARBOXYLATE CARRIER
Hgig_09192
Hgig_09193EUKARYOTIC TRANSLATION INITIATION FACTOR 4E-BINDING PROTEIN
Hgig_09194CCR4-NOT TRANSCRIPTION COMPLEX SUBUNIT 10
Hgig_09195CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 3-RELATED-RELATED
Hgig_09196ADP RIBOSYLATION FACTOR-RELATED
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