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How to Identify Cabezon

Scorpaenichthys marmoratus

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To identify Cabezon (Scorpaenichthys marmoratus), look at these key features.

Physical Characteristics

Body shape
elongated
Coloration
Highly variable, ranging from dark green, olive, brown, to reddish-brown, often with mottled or marbled patterns of lighter and darker shades. Males tend to be reddish or brownish, while females are often greenish. The coloration provides excellent camouflage.
Scale type
none
Mouth position
terminal
Distinctive features
Large, broad head with a wide mouth and fleshy lips., A prominent fleshy flap (cirrus) on the tip of the snout., A pair of cirri above each eye., Absence of scales, skin is smooth., A single, continuous dorsal fin with a deep notch., Pelvic fins located anterior to the pectoral fins., Large, fan-like pectoral fins.
Dorsal fin
Single, long dorsal fin with 11 spines followed by 15-16 soft rays, deeply notched between the spiny and soft-rayed portions.
Tail fin
Rounded caudal fin.
Pectoral fin
Large, fan-shaped pectoral fins with 15-16 rays.
Distinctive fins
Pelvic fins are thoracic, located beneath the pectoral fins, with 1 spine and 5 soft rays. Anal fin has 3 spines and 11-13 soft rays.

Identification Tips

  1. 1

    Head Size and Shape

    Look for the disproportionately large, broad head, which gives the fish its common name 'Cabezon' (Spanish for 'big head').

  2. 2

    Skin and Scales

    The Cabezon has smooth, scaleless skin, unlike many other fish species.

  3. 3

    Cirri

    Presence of a prominent fleshy flap on the snout and smaller cirri above the eyes are key identifiers.

  4. 4

    Coloration

    Observe the highly variable, mottled coloration, which is excellent camouflage. Greenish hues are more common in females, reddish-brown in males.

  5. 5

    Dorsal Fin

    Note the single, long dorsal fin with a distinct notch separating the spiny and soft-rayed portions.

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