How to Identify Spotted Drum

To identify Spotted Drum (Equetus punctatus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Adults are predominantly white or silvery-white with prominent black spots covering the body and fins. Juveniles exhibit a striking pattern of broad black and white bands, which gradually transition to the spotted pattern as they mature.

Scale type

ctenoid

Mouth position

inferior

Distinctive features

Extremely elongated and high first dorsal fin, often trailing behind the body., Distinctive black and white spotted pattern in adults., Juveniles have bold black and white vertical bands., Small, inferior mouth.

Dorsal fin

The first dorsal fin is exceptionally tall and elongated, with 10-11 spines, often trailing significantly. The second dorsal fin is much lower and longer, with 1 spine and 36-40 soft rays. The two dorsal fins are deeply notched or nearly separate.

Tail fin

Caudal fin is truncate to slightly rounded.

Pectoral fin

Pectoral fins are relatively small.

Distinctive fins

Pelvic fins are elongated, particularly in juveniles, and often used for tactile exploration.

Identification Tips

1. 1

   Adult Coloration

   Look for a white body covered with numerous distinct black spots of varying sizes. The fins also bear these spots.

2. 2

   Juvenile Coloration

   Identify juveniles by their bold, alternating black and white vertical bands across the body and fins. This pattern is very distinct from the adult's spotted pattern.

3. 3

   Dorsal Fin

   The most striking feature is the extremely tall, sail-like first dorsal fin, which is often held erect or trails gracefully behind the fish.

4. 4

   Mouth Position

   Note the small, inferior mouth, which is characteristic of bottom-feeding species.

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