Proteocephalus torulosus (Batsch 1786)

are endoparasites of

• World Register of Marine Species: Leuciscus aspius (Linnaeus 1758) (Кадимки кой балык)
• World Register of Marine Species: Ballerus ballerus (Linnaeus 1758) (blue bream)
• World Register of Marine Species: Rutilus rutilus (Linnaeus 1758) (Roach)
• World Register of Marine Species: Scardinius erythrophthalmus (Linnaeus 1758) (Pearl roach)

body length

• MADtraits: 0.251 mm (single measurement)
• MADtraits: 81.5 mm (single measurement)
• MADtraits: 0.033 mm (max)
• MADtraits: 0.028 mm (single measurement)
• MADtraits: 120 mm (max)

body shape

• MADtraits: lathlike
• MADtraits: cylinder
• MADtraits: sphere

body width

• MADtraits: 0.023 mm (single measurement)
• MADtraits: 0.58 mm (single measurement)
• MADtraits: 0.047 mm (single measurement)
• MADtraits: 0.053 mm (max)
• MADtraits: 0.084 mm (single measurement)

geographic distribution

• World Register of Marine Species: Polish Exclusive Economic Zone
• Switzerland Species List: Switzerland
• Mexico Species List: Mexico
• France Species List: France
• Czech Republic Species List: Czech Republic

number of hosts

• MADtraits: 1
• MADtraits: 2
• MADtraits: 3

prenatal development duration

• MADtraits: 28 days
• MADtraits: 10.5 days

trophic guild

• MADtraits: parasite
• MADtraits: parasite
• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite
• World Register of Marine Species: endoparasite