Hatschekia pygmaea Scott T. & Scott A. 1913

are ectoparasites of

• World Register of Marine Species: Labrus viridis Linnaeus 1758 (Green Wrasse) (adult)
• World Register of Marine Species: Symphodus tinca (Linnaeus 1758) (East Atlantic Peacock Wrasse) (adult)
• World Register of Marine Species: Symphodus tinca (Linnaeus 1758) (East Atlantic Peacock Wrasse) (adult)
• World Register of Marine Species: Symphodus cinereus (Bonnaterre 1788) (Grey Wrasse) (adult)
• World Register of Marine Species: Symphodus roissali (Risso 1810) (罗氏扁隆头鱼) (adult)

ecomorphological guild

• World Register of Marine Species: www.marinespecies.org

geographic distribution

• TreatmentBank: Italy
• TreatmentBank: Tunisia
• World Register of Marine Species: European waters (ERMS scope)
• United Kingdom Species List: United Kingdom
• Irish Sea Species List: irish Sea

latitude

• OBIS environmental data records: 49.7668 degrees (max)
• OBIS environmental data records: 49.7668 degrees (min)

longitude

• OBIS environmental data records: -7.55716 degrees (max)
• OBIS environmental data records: -7.55716 degrees (min)

size

• World Register of Marine Species: 1 mm
• World Register of Marine Species: 1.5 mm

skeleton structure

• World Register of Marine Species: condensed
• World Register of Marine Species: condensed
• World Register of Marine Species: exoskeleton
• World Register of Marine Species: exoskeleton
• World Register of Marine Species: condensed

trophic guild

• World Register of Marine Species: ectoparasite
• World Register of Marine Species: ectoparasite
• World Register of Marine Species: ectoparasite
• World Register of Marine Species: ectoparasite
• World Register of Marine Species: ectoparasite