About Ilyophis brunneus

Ilyophis brunneus commonly known as the muddy arrowtooth eel, is a species of cutthroat eel in the family Synaphobranchidae. It is found in deep-sea environments worldwide at depths exceeding 1,000 meters. This species is characterized by its elongated body and can grow up to 160 cm in length. As a benthic predator, it plays a significant role in deep-sea ecosystems by feeding on smaller fish and invertebrates, contributing to the trophic dynamics of its habitat.

Classification

Animalia (Kingdom); Chordata (Phylum); Vertebrata (Subphylum); Gnathostomata (Infraphylum); Osteichthyes (Parvphylum); Actinopterygii (Gigaclass); Actinopteri (Superclass); Teleostei (Class); Anguilliformes (Order); Synaphobranchidae (Family); Ilyophinae (Subfamily); Ilyophis (Genus); Ilyophis brunneus (Species)

Original Name

Ilyophis brunneus Gilbert, 1891

Key Reference Paper

1. Gilbert C H. Descriptions of apodal fishes from the tropical Pacific[M]. US Government Printing Office, 1891. (Gilbert et al., 1891)

Distribution

Gulf of Mexico, New Zealand, North Atlantic Ocean, South Africa. Found in the seamounts and knolls of Canadian Atlantic waters. Found at depths of 450- 3120 m


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Ilyophis brunneusChordataIlyophis sp. 2 JC-2022, Muddy arrowtooth eel (MAE)Deep sea3,500Mariana Trench (11.65369°N,138.62139°E)2920202

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completeness (%)Scaffold/Contig N50 (kb)GC content (%)Repeat Rate (%)Gene Number
ASM2270252v11.5GbChromosome2022JAKUDJ01Chinese Academy of Sciences, ChinaPRJNA79246594.30 115,310/2,76042.0948.4121,632

References
TitleJournalPubmed ID
Pseudo-chromosome-length genome assembly for a deep-sea eel Ilyophis brunneus sheds light on the deep-sea adaptationScience China Life Sciences36648612

Results of comparison between Ilyophis brunneus and its nearshore relatives from the paper (Chen et al., 2023)

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Annotation IDDescriptionTypeSubtypeGeneRatioEvolution TypeP-valueQ-value
GO:0044441ciliary partGOCellular Component12expanded0.001040.00565
GO:0032549ribonucleoside bindingGOMolecular Function14expanded0.001040.00565
GO:0006351transcription, DNA-templatedGOBiological Process18expanded0.001050.00568
GO:0001882nucleoside bindingGOMolecular Function14expanded0.001060.00571
GO:0019222regulation of metabolic processGOBiological Process34expanded0.001070.00572
GO:0051246regulation of protein metabolic processGOBiological Process12expanded0.001090.00584
GO:0003779actin bindingGOMolecular Function12expanded0.00110.00589
GO:0051252regulation of RNA metabolic processGOBiological Process18expanded0.001110.00592
GO:0043492ATPase activity, coupled to movement of substancesGOMolecular Function7expanded0.001150.00612
GO:0014866skeletal myofibril assemblyGOBiological Process3expanded0.001170.00615
GO:0039694viral RNA genome replicationGOBiological Process3expanded0.001170.00615
GO:0001671ATPase activator activityGOMolecular Function3expanded0.001170.00615
GO:0097367carbohydrate derivative bindingGOMolecular Function36expanded0.001210.00634
GO:0080090regulation of primary metabolic processGOBiological Process31expanded0.001220.00635
GO:0008216spermidine metabolic processGOBiological Process2expanded0.001240.00644
GO:0046618drug exportGOBiological Process2expanded0.001240.00644
GO:2001025positive regulation of response to drugGOBiological Process2expanded0.001240.00644
GO:0006725cellular aromatic compound metabolic processGOBiological Process33expanded0.001250.00644
GO:0051241negative regulation of multicellular organismal processGOBiological Process3expanded0.001250.00644
GO:0015171amino acid transmembrane transporter activityGOMolecular Function5expanded0.001250.00644
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