Guide river fish and other species that live in the rivers of the Iberian Peninsula, contains a picture of each species its common name, scientific name and a detailed description.

  56 species classified in salmonids, cyprinids, centrarchids and percids, esocidos and siluriformes, other species and other river faunas are included.
  It includes photo and description of the following species: brown trout, rainbow trout, reo or salmon trout, hucho or Danube salmon, brook trout, Pacific salmon, bleak, barbel, barbel graells, the redstart barbel, comizo barbel, gypsy barbel, Mediteráneo barbel, southern barbel, roach, gizani, Iberian nase, vogue douro, river otter, Loina, minnows, chub or escallo, catfish, chub, carp, royal, calandino, crucian carp, crucian carp golden goby , jarabugo, sarda, tench, pardilla, minnow, black bass or largemouth bass, sunfish, perch, walleye, pike, catfish, catfish, eel, fish friar, loach, lamprehuela, river lamprey, brook lamprey, shad, mosquito fish, flounder, native crayfish in the Iberian peninsula, red or American crab, crab signal, Australian crab and common frog.