How to Identify Silvercheeked Puffer

To identify Silvercheeked Puffer (Lagocephalus sceleratus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Dorsal side is typically dark grey to greenish-brown, often with darker spots or blotches. The ventral side is white. A prominent, iridescent silver band runs horizontally along the flanks, from the snout to the caudal fin base. The cheeks are silvery.

Scale type

none

Mouth position

terminal

Distinctive features

Robust, elongated body, capable of inflation., Two strong teeth fused into a beak-like structure in each jaw., Absence of pelvic fins., Small, spineless dorsal and anal fins positioned posteriorly., A distinct silver band along the flanks., Dark spots or blotches on the dorsal surface.

Dorsal fin

Single, small, and spineless, positioned far back on the body, typically with 10-13 soft rays.

Tail fin

Truncate to slightly emarginate, with 11-13 rays.

Pectoral fin

Relatively small, rounded, with 15-18 rays.

Distinctive fins

Pelvic fins are absent. All fins are soft-rayed.

Identification Tips

1. 1

   Body Shape and Coloration

   Look for an elongated, robust body with a dark grey to greenish-brown dorsal side, white belly, and a prominent silver band running along the flanks. Dark spots or blotches may be present on the back.

2. 2

   Mouth and Teeth

   Observe the beak-like mouth formed by two fused teeth in each jaw, characteristic of pufferfish.

3. 3

   Fins

   Note the absence of pelvic fins and the small, spineless dorsal and anal fins positioned far back on the body.

4. 4

   Inflation Capability

   If threatened, the fish will inflate its body into a spherical shape by ingesting water or air.

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