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Narrow Sawfish
Fish crepuscular

Narrow Sawfish

Anoxypristis cuspidata

A prehistoric wonder of the shallows, the Narrow Sawfish navigates the murky coastal tides with a tooth-lined blade and a shark-like grace. This rare estuarine resident is a master of detection, using its saw to find life hidden beneath the sand.

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Quick Identification

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Size

Typically grows up to 3.5 meters (11.5 feet) in length; the rostrum (saw) usually accounts for one-third of the total body length.

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Colors

Dorsal side is olive-gray to greenish-brown; ventral side (belly) is white or pale cream. Fins may have a slightly lighter trailing edge.

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Key Features

  • Extremely narrow rostrum (saw) with 16-29 pairs of teeth
  • Basal one-quarter of the rostrum is entirely toothless
  • Shark-like body with a distinctly flattened head and underside
  • First dorsal fin is positioned well behind the pelvic fins

When You’ll See Them

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Activity pattern crepuscular
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Peak hours 5-8 AM and 5-9 PM, coinciding with high-tide movements in coastal areas.
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Season Year-round in tropical climates, with increased sightings during the wet season as they move closer to shore.
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Diet A carnivorous hunter that eats small schooling fish, squid, and bottom-dwelling invertebrates like shrimp and crabs.
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Habitat Shallow coastal waters, silt-bottomed estuaries, and mangrove-lined river mouths.

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Behavior

The Narrow Sawfish is a specialized predator that patrols the interface between sea and land. Unlike its more pelagic shark cousins, it is a bottom-oriented species that uses its highly sensitive rostrum to detect the electrical signatures of prey hidden in the mud. It is known for its unique hunting style, where it swings its saw in rapid, horizontal swipes to stun schooling fish or dislodge crustaceans from the seabed.

While they are solitary animals, they are highly migratory within their local ranges, following the pulse of the tides into estuaries and mangrove forests. They are generally non-aggressive toward humans, preferring to retreat into deeper or murkier water when disturbed. However, their reliance on shallow coastal habitats makes them very sensitive to coastal development and human activity.

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Camera Tips

Capturing a Narrow Sawfish on camera is a challenge that requires an underwater setup, specifically targeting estuarine environments. For those with property bordering saltwater canals or mangroves, use a waterproof drop-camera or an action camera mounted on a weighted tripod. The best placement is on a flat, sandy, or muddy bottom in about 3 to 6 feet of water. Angle the lens slightly upward to capture the distinct silhouette of the rostrum as the fish cruises by.

Luring a Narrow Sawfish requires appealing to their sense of smell and electroreception. A perforated PVC pipe filled with mashed sardines or mullet—known as a 'chum pipe'—can be anchored in front of the camera. The scent will draw them in, and you may even capture footage of them using their saw to investigate the source of the smell. Ensure the lure is placed in a spot with moderate tidal flow so the scent trail carries, but not so much that the water becomes too turbid for a clear image.

Because these fish are most active during the low-light hours of dawn and dusk, your camera should be set to a high ISO or equipped with an external red-light illuminator. Red light is less likely to spook the fish than bright white LEDs. Set your trigger interval to 'Ultra-Fast' or use continuous video recording if battery life allows, as sawfish often move surprisingly quickly when they enter a feeding strike. Check your local regulations regarding 'chumming' or baiting, as some protected habitats have strict rules to ensure the safety of these endangered animals.

Similar Species

Species that look similar or are commonly confused with Narrow Sawfish.

Largetooth Sawfish

The Largetooth Sawfish has a much wider rostrum with teeth that continue all the way to the base of the snout.

Green Sawfish

Green Sawfish are significantly larger, reaching up to 7 meters, and have more pairs of rostral teeth (usually 23-37).

Frequently Asked Questions

Narrow Sawfish are primarily crepuscular, meaning they are most active during the low-light periods of dawn and dusk. This is when they move into shallower water to hunt for fish and crustaceans.
If you live on a coastal canal, you can attract them using scent-based lures like oily fish in a mesh bag. However, they are endangered, so it is important to observe them passively without trying to catch or handle them.
They use their saw to stun small fish like mullet and to dig up crustaceans like crabs and shrimp from the muddy bottom of estuaries.
They are rare and listed as endangered. While they can be found in suburban canals in parts of Northern Australia or Southeast Asia, they avoid high-traffic areas and prefer quiet, mangrove-rich environments.
The easiest way to identify a Narrow Sawfish is by its 'saw.' Unlike other species, the first quarter of its rostrum (closest to the head) has no teeth, and the overall blade is much thinner.

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