How to Identify Spotted Wobbegong

To identify Spotted Wobbegong (Orectolobus maculatus), look at these key features.

Physical Characteristics

Body shape

flat

Coloration

Highly variable, typically a mottled pattern of dark brown, yellowish-brown, or greenish-brown blotches and spots on a lighter background (cream to yellowish). This cryptic coloration provides excellent camouflage against rocky and sandy substrates. Often has a series of dark, saddle-like markings along the dorsal surface.

Scale type

placoid

Mouth position

terminal

Distinctive features

Flattened, broad head and body, Numerous dermal lobes and branched dermal tassels around the mouth and along the sides of the head, forming a 'beard-like' fringe, Two prominent nasal barbels, often branched, Large, wide mouth positioned terminally, Small, widely spaced eyes on top of the head, Distinctive pattern of dark blotches and spots

Dorsal fin

Two dorsal fins, relatively small and set far back on the body, with the first dorsal fin originating over or slightly behind the pelvic fin bases.

Tail fin

Caudal fin is short and lacks a distinct lower lobe; the upper lobe is continuous with the body.

Pectoral fin

Large, broad, and paddle-like, used for resting on the substrate.

Distinctive fins

Pelvic fins are also large and broad, similar in shape to the pectoral fins. Anal fin is absent.

Identification Tips

1. 1

   Head and Dermal Lobes

   Look for the distinctive flattened head and the elaborate fringe of dermal lobes and branched tassels around the mouth and along the sides of the head. This 'beard' is a key identifier.

2. 2

   Coloration and Pattern

   Observe the mottled pattern of dark blotches and spots on a lighter background. The specific arrangement and intensity of these markings can vary but are generally consistent with a camouflage pattern.

3. 3

   Body Shape

   Note the broad, flattened body, which is characteristic of wobbegongs and allows them to lie flat on the seafloor.

4. 4

   Fin Placement

   The two dorsal fins are set far back on the body, with the first dorsal fin originating over or slightly behind the pelvic fin bases. The caudal fin lacks a distinct lower lobe.

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