The Lusitanian toadfish (Halobatrachus didactylus) is a species of toadfish found along the Atlantic and Mediterranean Coasts of western Europe and western Africa, from the Bay of Biscay to Ghana, with an isolated and old northern record from the Norwegian side of the Kattegat.

Locally, it is known as gripau (Catalan), charroco, encharroco, xarroco (Portuguese), and pez sapo (Spanish)).

[3] The fish is also known to make a variety of noises, such as whistles, grunts, croaks, and a boatwhistle that is used both to attract females and to deter intruding males.

[4] The Lusitanian toadfish is a sedentary fish which is found in substrates consisting of soft sand or mud and which often lies partially buried or conceals itself in rock crevices.

It is an oviparous species and after laying, the female leaves the eggs to be guarded by the male.