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:0015881creatine transportGOBiological Process5expanded1.81E-101.44E-08
GO:0005308creatine transmembrane transporter activityGOMolecular Function5expanded1.81E-101.44E-08
GO:0008037cell recognitionGOBiological Process14expanded2.31E-101.75E-08
GO:0016459myosin complexGOCellular Component12expanded2.97E-102.16E-08
GO:0042558pteridine-containing compound metabolic processGOBiological Process10expanded5.14E-103.59E-08
GO:0009566fertilizationGOBiological Process14expanded6.14E-104.05E-08
GO:0072337modified amino acid transportGOBiological Process7expanded6.26E-104.05E-08
GO:0006599phosphagen metabolic processGOBiological Process6expanded8.80E-104.96E-08
GO:0006603phosphocreatine metabolic processGOBiological Process6expanded8.80E-104.96E-08
GO:0042396phosphagen biosynthetic processGOBiological Process6expanded8.80E-104.96E-08
GO:0046314phosphocreatine biosynthetic processGOBiological Process6expanded8.80E-104.96E-08
GO:0046148pigment biosynthetic processGOBiological Process11expanded1.33E-097.23E-08
GO:0005875microtubule associated complexGOCellular Component15expanded1.97E-090.000000104
GO:0005868cytoplasmic dynein complexGOCellular Component8expanded2.56E-090.000000132
GO:0004111creatine kinase activityGOMolecular Function6expanded3.19E-090.000000151
GO:0016775phosphotransferase activity, nitrogenous group as acceptorGOMolecular Function6expanded3.19E-090.000000151
GO:0072349modified amino acid transmembrane transporter activityGOMolecular Function6expanded3.19E-090.000000151
GO:0009987cellular processGOBiological Process138expanded4.13E-090.00000019
GO:0005930axonemeGOCellular Component12expanded4.86E-090.000000218
GO:0097014ciliary plasmGOCellular Component12expanded5.95E-090.00000026
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