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_05146
Hgig_05147MONOACYLGLYCEROL LIPASE
Hgig_05148
Hgig_05149LATROPHILIN RECEPTOR-LIKE PROTEIN A
Hgig_05150LATROPHILIN RECEPTOR-LIKE PROTEIN A
Hgig_05151
Hgig_05152
Hgig_05153
Hgig_05154ALPHA-AMYLASE
Hgig_05155REVERSE TRANSCRIPTASES
Hgig_05156RIBOSOMAL PROTEIN L5-RELATED
Hgig_05157
Hgig_05158PNAS-RELATED
Hgig_05159
Hgig_05160LOQUACIOUS, ISOFORM B
Hgig_05161
Hgig_05162MONOCARBOXYLATE TRANSPORTER
Hgig_05163MONOCARBOXYLATE TRANSPORTER
Hgig_05164G-PROTEIN COUPLED RECEPTOR MTH-LIKE 1-RELATED
Hgig_05165G-PROTEIN COUPLED RECEPTOR MTH-LIKE 1-RELATED
Hgig_05166
Hgig_05167
Hgig_05168MONOCARBOXYLATE TRANSPORTER
Hgig_05169REVERSE TRANSCRIPTASE
Hgig_05170
Hgig_05171
Hgig_05172SET DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_05173
Hgig_05174TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_05175REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_05176SERINE/THREONINE-PROTEIN KINASE 17
Hgig_05177
Hgig_05178
Hgig_05179
Hgig_05180METHYLTHIORIBOSE-1-PHOSPHATE ISOMERASE
Hgig_05181TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_05182SAPOSIN-RELATED
Hgig_05183PROTEIN CBG26694
Hgig_05184
Hgig_05185
Hgig_05186PROTEIN CBG24663
Hgig_05187
Hgig_05188TRANSCRIPTION FACTOR 7 FAMILY MEMBER
Hgig_05189
Hgig_05190MATRIN 3/NUCLEAR PROTEIN 220-RELATED
Hgig_05191REVERSE TRANSCRIPTASES
Hgig_05192
Hgig_05193IP06524P-RELATED
Hgig_05194ACETYL-COA C-ACYLTRANSFERASE
Hgig_05195ATILLA, ISOFORM B-RELATED-RELATED
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