How to Identify Queenfish

To identify Queenfish (Seriphus politus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Overall silvery, iridescent, with a darker bluish-gray dorsal surface fading to white on the belly. Fins are typically dusky or yellowish. A prominent, distinct black spot is present at the base of the pectoral fin.

Scale type

ctenoid

Mouth position

superior

Distinctive features

Elongated, compressed body, Large, oblique mouth, Two dorsal fins, deeply notched, Prominent black spot at the base of the pectoral fin, Lateral line curves upward anteriorly

Dorsal fin

Two dorsal fins; the first is spiny with 8-10 spines, and the second is soft-rayed with 1 spine and 20-24 soft rays. The two fins are deeply notched, almost appearing separate.

Tail fin

Moderately forked caudal fin.

Pectoral fin

Relatively long and pointed pectoral fins, with a distinct black spot at their base.

Distinctive fins

Anal fin with 2 spines and 20-23 soft rays. Pelvic fins are thoracic.

Identification Tips

1. 1

   Pectoral Fin Spot

   The most reliable distinguishing feature is the prominent, dark black spot at the very base of the pectoral fin. This is absent in similar species.

2. 2

   Body Shape and Color

   Its slender, silvery body with a slightly darker back and white belly is characteristic. The body is more elongated and less deep-bodied than many other croakers.

3. 3

   Mouth Position

   The mouth is large and oblique, angled upwards, indicating its predatory feeding habit on small, midwater prey.

4. 4

   Dorsal Fins

   The two distinct, deeply notched dorsal fins are also a good identifier within the Sciaenidae family.

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