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Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.
You can return unused standard items within 30 days for exchange or refund.
We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do.
This item is available for next day delivery. You can pick this in the checkout.
We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.
We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.
Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.
You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.
The Megabass Dark Sleeper 3″ in the 21g (3/4 oz) configuration is a unique “high-density” lure. At Gerry’s Fishing, we recommend this specific model for anglers who need the finesse profile of a small 3-inch bait but require the weight of a much larger lure to reach the bottom in challenging conditions. This “compact heavyweight” allows you to mimic small gobies or blennies in deep water or fast currents where standard light lures would be swept away.
The hallmark of the Dark Sleeper is its integrated weighting and concealed hook system. By shielding the hook within a split dorsal fin, Megabass has created a lure that can “crawl” through the most “gnarly” underwater terrain—jagged rocks, heavy kelp, and sunken timber—without snagging.
Concealed Hook Fins: The soft dual dorsal fins do more than just hide the hook; they act as a natural deflector against snags. This allows the lure to slide over complex structure, while the soft material collapses instantly during a strike to ensure a high-percentage hook-set.
Low Center of Gravity (LCG): With 21g concentrated in a small 3″ belly, this lure features an ultra-low center of gravity. Combined with the stabilizing pectoral and bottom fins, it ensures the lure always lands upright and maintains a stable, natural posture on the seabed.
High-Frequency Paddle Tail: Despite the heavy weight-to-size ratio, the tail is highly active. It produces a tight, frantic “kick” on the retrieve and an enticing “shiver” on the drop, sending out vibrations that predators can home in on in deep or murky water.
Dense Silhouette: The 7.7cm (3″) length provides a “bite-sized” target that is often less intimidating to wary predators, while the 21g weight provides the “thud” and bottom-contact feel needed for technical jigging.
| Feature | Details |
| Model | Megabass Dark Sleeper |
| Length | 3 Inches (Approx. 77mm / 7.7cm) |
| Weight | 21g (3/4 oz) |
| Design | Internal Lead Weight / Concealed Top Hook |
| Body Style | Compact Goby / Sculpin Imitation |
| Action | High-Response Paddle Tail |
| Target Species | Perch, Zander, Bass, and Pollack |
| Pack Size | 1 Piece per pack |
The 21g 3″ Dark Sleeper is a precision tool for “heavy-finesse” bottom fishing. The Gerry’s team suggests:
Deep-Water Finesse: When predators are focused on small fry but are holding in 20ft–30ft of water, the 21g weight is essential. It gets the small 3″ profile down to the “kill zone” quickly and keeps it pinned to the deck.
Tidal Stream LRF: For Light Rock Fishing in areas with significant tidal flow, this lure stays in contact with the bottom where lighter baits fail. Use it to search the base of pier pilings or deep rock gullies.
Vertical Boat Jigging: The heavy weight makes this an excellent vertical lure. It stays directly under the boat even in a stiff breeze, providing the pinpoint accuracy required when targeting fish shown on your sonar.
The “Bottom Thump”: Use short, sharp “hops” of the rod tip. The heavy 21g weight causes the lure to hit the bottom with a distinct “thud,” mimicking the sound of a bottom-dweller darting for cover—a major trigger for Zander and large Perch.
Gerry’s Verdict:
The Megabass Dark Sleeper 3″/21g is the ultimate solution for “matching the hatch” in deep or moving water. It provides the stealth and realism of a small baitfish with the casting distance and depth-handling of a much heavier lure. If you are targeting fish that are “pinned” to the bottom in difficult conditions, this is a vital addition to your lure bo
Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.
You can return unused standard items within 30 days for exchange or refund.
We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do.
This item is available for next day delivery. You can pick this in the checkout.
We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.
We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.
Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.
You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.




Penn Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
Wader Waist Guide
Small (28″-30″)
Medium (30″-33″)
Large (34″-37″)
XLarge (37″-39″)
XXLarge (39″-42″)
3XLarge (42″-45″)
Kinetic/Westin Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
3XLarge (54″-56″)
Grundens Chest Size Guide
Small (36″-37″)
Medium (38″-40″)
Large (42″-44″)
XLarge (46″-48″)
XXLarge (50″-52″)
3XLarge (54″-56″)
Vass Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Trakker Chest Size Guide
Small (38-40″)
Medium (41-43″)
Large (44-46″)
Xlarge (47-49″)
XXLarge (50-52″)
XXXLarge (53-55″)
Korda Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Guy Cotten Chest Size Guide
Small (86 – 94cm)
Medium (94 – 102cm)
Large (102 – 110cm)
XLarge (110 – 124cm)
XXLarge (124 – 134cm)
3XLarge (134 – 154cm)
Fox Chest Size Guide
Small (36″-38″)
Medium (39″-41″)
Large (42″-44″)
XLarge (45″-47″)
XXLarge (48″-50″)
3XLarge (51″-54″)
4XLarge (55″-60″)
Nash Chest Size Guide
Small (36″-38″)
Medium (39″-41″)
Large (42″-44″)
XLarge (45″-47″)
XXLarge (48″-50″)
3XLarge (51″-54″)
4XLarge (55″-60″)
Aqua Chest Size Guide
Small (38-40″)
Medium (41-43″)
Large (44-46″)
Xlarge (47-49″)
XXLarge (50-52″)
XXXLarge (53-55″)
Guru Chest Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Preston Chest Innovations Size Guide
Small (36″-38″)
Medium (38″-41″)
Large (42″-44″)
XLarge (45″-46″)
XXLarge (47″-48″)
3XLarge (49″-51″)
Trouser Waist Guide (Inches)
Small – 28″ – 32″
Medium 32″ – 34″
Large – 34″ – 36″
X-Large 36″ – 38″
XX-Large – 38″ – 42″
XXX-Large 42″ – 46″
XXXX-Large 46″ – 52″