How to Identify Kingfish

To identify Kingfish (Menticirrhus spp.), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Generally silvery-gray to brownish on the dorsal side, fading to white or silvery on the belly. Many species exhibit faint, oblique bars or blotches on their sides. Fins are typically dusky or yellowish.

Scale type

ctenoid

Mouth position

subterminal

Distinctive features

Single, short, fleshy barbel on the chin, Subterminal mouth, Elongated body with a relatively flat ventral profile, Two dorsal fins, the first spiny and the second soft-rayed, Absence of an air bladder (unique among Sciaenidae)

Dorsal fin

Two dorsal fins; the first is high and spiny (typically 9-11 spines), the second is long and soft-rayed (23-27 rays). The two fins are distinctly separated.

Tail fin

Slightly emarginate to truncate caudal fin.

Pectoral fin

Moderately sized, rounded pectoral fins.

Distinctive fins

Anal fin with 1-2 spines and 7-9 soft rays. Pelvic fins thoracic.

Identification Tips

1. 1

   Chin Barbel

   Look for a single, short, fleshy barbel on the underside of the chin. This is a key distinguishing feature for the genus Menticirrhus.

2. 2

   Dorsal Fins

   Observe the two distinct dorsal fins. The first is spiny and noticeably taller than the second, soft-rayed dorsal fin.

3. 3

   Body Shape and Coloration

   Note the elongated body and silvery-gray to brownish coloration, often with faint oblique bars or blotches on the sides. The belly is typically lighter.

4. 4

   Absence of Air Bladder

   While not visible externally, the lack of an air bladder is a unique characteristic of Menticirrhus, contributing to their demersal lifestyle and inability to produce drumming sounds like other croakers.

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