Fig. 4From: An illustrated key to the soft-bottom caprellids (Crustacea: Amphipoda) of the Iberian Peninsula and remarks to their ecological distribution along the Andalusian coastDetails of the main morphological characters to identify the soft-bottom caprellids of the Iberian Peninsula. Numbers (1–18) and letters (a, b) correspond to the options of the taxonomical key providedBack to article page