Classification / Names
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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Sciadonus: Derived from Greek, skiaina, skion = a fish, red mullet + Greek, onos = hake; robinsorum: Named for C. Richard Robins (formerly from UMML) and Rob Robins (UF).
Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
marino batidemersal; rango de profundidad 4416 - 4422 m (Ref. 118598). Deep-water
Distribución
Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Mapa de puntos | Introducciones | Faunafri
Southwest Atlantic: off NE Brazil
Tamaño / Peso / Age
Madurez: Lm ?  range ? - ? cm
Max length : 4.7 cm SL macho / no sexado; (Ref. 118598)
Short description
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 81; Radios blandos anales: 53; Vértebra: 77. This species is distinguished by the following characters: horizontal mouth with no tissue flaps anteriorly on protruding lower jaw; no distinct black pigment spots through the transparent skin; D 81, A 53, pectoral 14 and no pelvic fins; precaudal vertebrae 37, total 77; predorsal length 42.5 % SL (Ref. 118598).
Cross section: compressed.
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Nielsen, J.G., 2018. Revision of the cosmopolitan deep-sea genus Sciadonus (Teleostei, Bythitidae) with two new species. Cybium 42(2):177-187. (Ref. 118598)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesquerías: sin interés
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00172 - 0.01163), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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