The Ultimate Fishing Guide for Dusky Morwong

Dusky Morwong
Dactylophora nigricans
Commonly known as: Butterfish
Dusky Morwong

The Dusky Morwong (Dactylophora nigricans) is a relatively large and robust coastal reef fish found in the temperate waters of southern Australia. While it is not commonly targeted by recreational anglers, as it lacks the table appeal of more prized species, it occasionally shows up as bycatch for those fishing in reef or kelp-covered areas. Though it can put up a modest fight, most recreational fishers do not seek it out for sport or dining. Its firm and often strongly flavored flesh generally leads to a low culinary rating, making it less desirable to keep compared to other more palatable fish species that share similar habitats.

How to identify the Dusky Morwong

The Dusky Morwong is characterized by a sturdy, elongated body and a slightly compressed profile. Its coloration typically ranges from dark grayish-brown to a dusky olive hue along the upper body, transitioning into lighter shades toward the underside. In certain light conditions, a greenish or bluish tinge may be visible, particularly along the flanks. The fins tend to be darker, with the pectoral fins occasionally showing a subtle orange or reddish tinge. While the head is somewhat blunt, the mouth is modest in size with thick, fleshy lips.

Distinguishing Features

A key identifying feature of the Dusky Morwong is its robust body shape and relatively large size compared to other morwong species. Its dorsal fin is continuous and runs along a significant portion of the back, while the anal fin is shorter but still prominent. Large, well-defined scales cover the body, and the tail is rounded rather than forked. These combined traits, along with the fish’s coloration, help distinguish it from similar species encountered in the same environment.

Typical Sizes

Dusky Morwong are capable of reaching respectable sizes, often growing up to 80 centimeters (around 31 inches) in length and occasionally weighing several kilograms. Most specimens caught by recreational anglers, however, will generally range between 40 and 60 centimeters in length.

Similar Species

Several other morwong species share the same general habitat as the Dusky Morwong, including the Red Morwong (Cheilodactylus fuscus) and the Painted Morwong (Cheilodactylus ephippium). These species tend to be smaller and exhibit more vibrant coloration or distinct markings. The Red Morwong, for instance, often displays a pronounced reddish-brown hue and banded patterns. Compared to these, the Dusky Morwong’s darker and more uniformly dusky appearance makes it relatively straightforward to identify once you are familiar with the variety of local morwongs.

Where to find Dusky Morwong

The Dusky Morwong is found predominantly in the temperate marine waters of southern Australia. Its range extends from the coastal areas of southwestern Western Australia, continuing along the southern coastline, and up along parts of the eastern seaboard into New South Wales. Sightings and catches are common in regions with abundant kelp forests and rocky reefs, particularly in cooler, nutrient-rich waters.

Preferred Environments

Dusky Morwong favor shallow coastal reefs, rocky outcrops, and areas with plentiful kelp and other marine vegetation. They are well-adapted to habitats featuring complex structures, such as crevices and rocky ledges. These fish are most often found at depths ranging from just a few meters to around 20 meters, though they can occasionally occur in slightly deeper waters where suitable habitat and food sources exist.

Environmental Conditions

Typically, the Dusky Morwong thrives in areas with moderate water movement and good water quality. They often stay close to the seabed, where they feed on a variety of small invertebrates, crustaceans, and occasionally algae. Though not strongly tide-dependent, periods of moderate current may bring additional food into their feeding grounds. The presence of lush kelp beds and other marine vegetation is a strong indicator that Dusky Morwong may be present, as these habitats offer shelter from predators and a steady supply of prey.

Associations with Other Species

In these reef and kelp environments, Dusky Morwong coexist with a range of other reef-associated fishes, including wrasses, leatherjackets, and various smaller schooling species. While they are not aggressive predators, their diet often involves foraging for small crustaceans, mollusks, and worms living on or near the seabed. Their presence can sometimes indicate a healthy, well-structured reef ecosystem.

Fishing for Dusky Morwong

From a purely recreational fishing perspective, the Dusky Morwong does not rank highly compared to more popular targets. Anglers rarely set out to catch them intentionally, as their lack of culinary appeal and somewhat lackluster fighting qualities leave them overshadowed by species like Snapper, Bream, and various reef predators. Nonetheless, when one is hooked, it can provide a moderate but unspectacular tussle.

Tackle and Techniques

Should you happen upon a Dusky Morwong while fishing, it is usually caught using fairly standard reef-fishing tackle. A medium to medium-heavy rod and reel setup with a 20-30 lb braided or monofilament line is sufficient. Morwongs, including the Dusky variety, are bottom dwellers, so using a simple running sinker or paternoster rig with a relatively small but strong hook (size 2/0 to 4/0) can be effective.

Baits:
These fish are opportunistic feeders with a preference for items found near the sea floor. Fresh baits such as squid strips, prawns, and small crabs work well. Worms, pipis, or even cut fish fillets can also attract their attention. Generally, if you are fishing for other reef species, the same baits that lure in Snapper, Bream, or Trevally can occasionally tempt a Dusky Morwong.

Lures:
They are not typically targeted with artificial lures, but that does not mean they are impossible to fool. Soft plastics, especially those resembling small crustaceans or worms, worked slowly across the bottom can sometimes entice a bite. However, the low desirability of this species as a target means few anglers deliberately employ lure tactics for them.

Techniques:
A patient, simple approach works best. Drop your bait near or into kelp beds and rocky outcrops, where the Dusky Morwong might be lurking. Occasionally, gently lifting and dropping your bait can simulate natural movements that encourage investigation. If you feel a subtle, persistent nibble, it may be worth a gentle strike. However, keep in mind that these fish are rarely the ultimate prize in a session’s catch.

Preparing and eating Dusky Morwong

When it comes to the table, the Dusky Morwong’s reputation is poor. Its flesh is often described as coarse and strongly flavored, with a distinctly fishy taste that is off-putting to many diners. It is not nearly as sought after as species like Snapper, Flathead, or Whiting, all of which offer more delicate and palatable flesh. Because of this, many anglers simply release Dusky Morwong back into the water after capture, especially in areas where more desirable species might be caught.

Preparation and Cooking

For those who do decide to keep and cook their Dusky Morwong, proper preparation can help mitigate some of its less appealing qualities. Bleeding the fish promptly after capture and ensuring it is kept chilled can help improve the flavor. Filleting carefully to remove darker portions of the flesh and any strong-tasting fat deposits may also help reduce the intensity of its flavor.

Suggested Cooking Methods:

  • Hearty Stews or Curries: The stronger flavor of the flesh can sometimes work as a base for heavily seasoned stews or curries, where robust spices and aromatic herbs can mask some of the fishy taste.
  • Smoking: A strong brine and a smoking process can impart a pleasant smoky aroma that complements the fish’s natural flavor. This method may yield a more tolerable flavor profile for some palates.
  • Pickling or Marinating: Techniques that involve vinegar, citrus, or acidic marinades may help tenderize and mellow the fish’s flavor over time.

Even with these methods, many anglers find that the effort does not justify the culinary result. If you have a particular fondness for experimenting in the kitchen, feel free to try, but most fishermen will agree that releasing this fish, or using it as bait for more desirable species, is a more practical choice.

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