How to Identify Marbled electric ray

To identify Marbled electric ray (Torpedo marmorata), look at these key features.

Physical Characteristics

Body shape

flat

Coloration

Dorsal surface is typically mottled or marbled with irregular patterns of dark brown, grey, and black on a lighter background, providing excellent camouflage. Ventral surface is usually white or cream-colored.

Scale type

none

Mouth position

inferior

Distinctive features

Large, kidney-shaped electric organs visible as bulges on either side of the head., Smooth, scaleless skin., Two dorsal fins located on the tail., Short, stout tail with a well-developed caudal fin.

Dorsal fin

Two relatively small, rounded dorsal fins located on the posterior part of the disc and tail.

Tail fin

Well-developed, rounded caudal fin.

Pectoral fin

Large, rounded pectoral fins forming the disc.

Distinctive fins

Pelvic fins are separate from the pectoral fins and are located beneath the disc.

Identification Tips

1. 1

   Body Shape

   Look for the characteristic flattened, disc-shaped body, wider than it is long, with a thick, fleshy appearance.

2. 2

   Coloration

   Observe the marbled or mottled pattern on the dorsal surface, which is highly variable but always provides camouflage.

3. 3

   Electric Organs

   Identify the prominent, kidney-shaped bulges on either side of the head, indicative of its electric organs.

4. 4

   Skin

   Note the smooth, scaleless skin, a key characteristic of electric rays.

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