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:0070983dendrite guidanceGOBiological Process3expanded0.00004850.000588
GO:0016410N-acyltransferase activityGOMolecular Function7expanded0.00004520.000588
GO:0047493ceramide cholinephosphotransferase activityGOMolecular Function3expanded0.00004850.000588
GO:1990405protein antigen bindingGOMolecular Function3expanded0.00004850.000588
GO:0051247positive regulation of protein metabolic processGOBiological Process3expanded0.00005090.000613
GO:0048523negative regulation of cellular processGOBiological Process20expanded0.00005240.000627
GO:0001913T cell mediated cytotoxicityGOBiological Process4expanded0.00005310.000631
GO:0031325positive regulation of cellular metabolic processGOBiological Process12expanded0.00005530.000649
GO:0051188cofactor biosynthetic processGOBiological Process11expanded0.00005540.000649
GO:1901700response to oxygen-containing compoundGOBiological Process3expanded0.0000570.00066
GO:0016829lyase activityGOMolecular Function10expanded0.00005710.00066
GO:0022603regulation of anatomical structure morphogenesisGOBiological Process1expanded0.00006510.000738
GO:0005634nucleusGOCellular Component28expanded0.00006450.000738
GO:0016407acetyltransferase activityGOMolecular Function7expanded0.00006470.000738
GO:2000303regulation of ceramide biosynthetic processGOBiological Process4expanded0.00006560.000739
GO:0030241skeletal muscle myosin thick filament assemblyGOBiological Process3expanded0.00007670.000857
GO:0051186cofactor metabolic processGOBiological Process15expanded0.00007710.000857
GO:0043462regulation of ATPase activityGOBiological Process6expanded0.0000780.000862
GO:0043412macromolecule modificationGOBiological Process19expanded0.00008590.000943
GO:0033554cellular response to stressGOBiological Process5expanded0.00009130.000996
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