Fish nocturnal

Rusty Carpetshark

Parascyllium ferrugineum

Meet the 'eel-shark' of the southern reefs. The Rusty Carpetshark is a master of camouflage, spending its nights gliding through seagrass and its days hidden within rocky cathedrals.

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Quick Identification

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Size

Grows up to 80 cm (2.6 ft) in total length; hatchlings are approximately 17 cm (6.7 in).

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Colors

Rusty-brown to ginger-orange base color with numerous small dark spots and occasional faint white flecks; lighter cream or pale belly.

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Key Features

Slender, eel-like body shape
Large, dark 'collar' marking near the gill region
Two dorsal fins of similar size located far back on the body
Small barbels near the nostrils for sensing prey

When You’ll See Them

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Activity pattern nocturnal

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Peak hours 9 PM - 4 AM

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Season Year-round

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Diet A carnivorous scavenger that primarily feeds on small crustaceans like crabs and shrimp, as well as various molluscs found along the seafloor.

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Habitat Inhabits temperate coastal waters, specifically rocky reefs and dense seagrass beds on the continental shelf at depths of 5–150 meters.

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Behavior

The Rusty Carpetshark is a shy, bottom-dwelling species that spends its daylight hours tucked away in the safety of rocky crevices and caves. Because of their slender, flexible bodies, they can squeeze into incredibly tight spots to avoid larger predators. Unlike more active shark species, they are relatively sedentary during the day, often remaining motionless for hours at a time.

When night falls, these sharks emerge to become active hunters. They use a 'crawling' motion, using their pectoral and pelvic fins to move along the substrate rather than swimming through the open water. While they are true sharks, they are completely harmless to humans and are generally quite docile, often ignoring divers and underwater cameras if approached slowly and without bright, flashing lights.

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Camera Tips

Capturing the Rusty Carpetshark requires specialized underwater trail camera equipment, as they are strictly marine animals. To get the best footage, position your camera unit at the base of a rocky reef or right at the 'edge' where a reef meets a seagrass meadow. These sharks are bottom-dwellers that 'walk' along the sand, so a camera angle placed very low—no more than 10-15 centimeters (4-6 inches) off the seafloor—will provide the most intimate, full-body perspective.

Since they only emerge in total darkness, your camera's infrared (IR) or low-light capabilities are critical. Standard white-light flashes can startle them and cause them to flee back into a crevice. Instead, use a camera with 'No-Glow' IR LEDs or a diffused red-light source, which is less visible to marine life. Setting your camera to record 20-30 second video clips is highly recommended over still photos, as it allows you to capture their unique serpentine movement as they hunt through the seagrass.

To attract a Rusty Carpetshark to your lens, you can use a scent lure. A small, perforated PVC tube filled with crushed shellfish or oily fish scraps can be tethered in front of the camera. The shark's sensitive barbels will pick up the scent trail, leading it directly into your frame. Be sure to check your local marine regulations regarding baiting before setting your trap. For the clearest images, try to deploy your camera during periods of low surge and high water clarity, typically after a few days of calm winds.

Similar Species

Species that look similar or are commonly confused with Rusty Carpetshark.

Necklace Carpetshark

Has a much more distinct, black-spotted 'necklace' or collar and more prominent white spotting across the body.

Varied Carpetshark

Features a more complex pattern of dark blotches and a less uniform rusty-orange coloration.

Frequently Asked Questions

The Rusty Carpetshark is strictly nocturnal, meaning it is most active during the middle of the night, typically between 9 PM and 4 AM, when it leaves its cave to hunt.

You can attract them by placing your camera near rocky crevices or seagrass beds and using a scent-based lure, such as a mesh bag containing crushed crabs or oily fish.

They are bottom-feeders that primarily consume small crustaceans (like shrimp and crabs) and various molluscs they find hiding in the sand or seagrass.

They are not found in suburban backyards, but they are common in the 'blue backyards' of coastal southern Australia, from New South Wales around to Western Australia.

Look for its very slender, eel-like body and the distinct dark 'collar' or band around its neck area, which distinguishes it from other similar carpetsharks.

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