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:1902661positive regulation of glucose mediated signaling pathwayGOBiological Process3expanded0.0000280.000398
GO:0030485smooth muscle contractile fiberGOCellular Component3expanded0.0000280.000398
GO:0032432actin filament bundleGOCellular Component6expanded0.00002710.000398
GO:0005515protein bindingGOMolecular Function98expanded0.00002950.000415
GO:0036159inner dynein arm assemblyGOBiological Process4expanded0.00003330.000463
GO:0042641actomyosinGOCellular Component6expanded0.00003340.000463
GO:0030182neuron differentiationGOBiological Process4expanded0.00003680.000505
GO:0006915apoptotic processGOBiological Process4expanded0.00003740.00051
GO:0009108coenzyme biosynthetic processGOBiological Process10expanded0.00003870.000524
GO:0006732coenzyme metabolic processGOBiological Process14expanded0.00003940.000529
GO:0007281germ cell developmentGOBiological Process17expanded0.00004150.000554
GO:0009084glutamine family amino acid biosynthetic processGOBiological Process4expanded0.00004240.000561
GO:0001835blastocyst hatchingGOBiological Process3expanded0.00004850.000588
GO:0007018microtubule-based movementGOBiological Process13expanded0.00004820.000588
GO:0009059macromolecule biosynthetic processGOBiological Process22expanded0.00004620.000588
GO:0009756carbohydrate mediated signalingGOBiological Process3expanded0.00004850.000588
GO:0009757hexose mediated signalingGOBiological Process3expanded0.00004850.000588
GO:0010182sugar mediated signaling pathwayGOBiological Process3expanded0.00004850.000588
GO:0010255glucose mediated signaling pathwayGOBiological Process3expanded0.00004850.000588
GO:0010646regulation of cell communicationGOBiological Process13expanded0.00004580.000588
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