Arno goby (Padogobius nigricans)

Image source: Riccardo Novaga | inaturalist.org
General data
- Main name: Arno goby
- Climates: Subtropical
- Habitat: Freshwater
- Native: Europe
- Distribution: Arno, Tiber
Classification
- Genus: Padogobius - Padogobius
- Family: Gobiidae - Gobies
- Order: Gobiiformes - Gobies
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes
Description
Padogobius nigricans, the Arno goby, is a species of goby endemic to central Italy (Tevere, Arno and Ombrone drainages) on Tyrrhenian slope. It occurs in streams, staying to well-vegetated edge areas Males of this species reach a length of 12.5 centimetres (4.9 in) TL while the females only reach 7 centimetres (2.8 in) TL.