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:0016460myosin II complexGOCellular Component4expanded0.00001450.000244
GO:0000146microfilament motor activityGOMolecular Function4expanded0.00001450.000244
GO:0004948calcitonin receptor activityGOMolecular Function3expanded0.00001420.000244
GO:0047617acyl-CoA hydrolase activityGOMolecular Function4expanded0.00001450.000244
GO:0031503protein complex localizationGOBiological Process8expanded0.00001490.000248
GO:0005623cellGOCellular Component121expanded0.00001550.000253
GO:0044464cell partGOCellular Component121expanded0.00001540.000253
GO:0008080N-acetyltransferase activityGOMolecular Function7expanded0.00001570.000253
GO:0042910xenobiotic transporter activityGOMolecular Function7expanded0.00001710.000274
GO:0048518positive regulation of biological processGOBiological Process24expanded0.00001810.000287
GO:0035721intraciliary retrograde transportGOBiological Process4expanded0.00001960.000308
GO:0012501programmed cell deathGOBiological Process4expanded0.00002230.000347
GO:0010467gene expressionGOBiological Process23expanded0.00002320.000358
GO:0015629actin cytoskeletonGOCellular Component16expanded0.00002590.000389
GO:0016289CoA hydrolase activityGOMolecular Function4expanded0.00002580.000389
GO:0045504dynein heavy chain bindingGOMolecular Function4expanded0.00002580.000389
GO:0036123histone H3-K9 dimethylationGOBiological Process3expanded0.0000280.000398
GO:0065008regulation of biological qualityGOBiological Process14expanded0.00002690.000398
GO:1900109regulation of histone H3-K9 dimethylationGOBiological Process3expanded0.0000280.000398
GO:1902659regulation of glucose mediated signaling pathwayGOBiological Process3expanded0.0000280.000398
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