What special fishing regulations apply at Mispillion River?

Mispillion River carries 3 special-regulation overlays that override Delaware's statewide 2026 rules, covering Striped bass and Weakfish (sea trout / gray trout). One of them reads: "Tidal estuary + Mispillion Inlet; striped bass + white perch + bluefish + summer flounder; year-round + 28-31 in striped bass slot + 1 / day." Every overlay on this water body is listed in full above.

Do I need a fishing license to fish Mispillion River?

Yes. Mispillion River is in Delaware, so a valid Delaware fishing license is required just as it is anywhere else in the state, issued by Delaware Department of Natural Resources & Environmental Control (DNREC) — Division of Fish & Wildlife. The special regulations on this page change the bag, size, slot, or gear rules for Mispillion River; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Delaware rules.

Do Mispillion River's special rules replace Delaware's statewide limits?

Only where they conflict. Delaware's statewide 2026 regulations apply on Mispillion River by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.

Which species have special rules on Mispillion River?

Striped bass and Weakfish (sea trout / gray trout) have a water-body-specific rule on Mispillion River, each linking to its full Delaware regulations above. Species not listed here follow the statewide Delaware limits.

2026 regulation year

Mispillion River 2026 — Delaware Fishing Regulations

Delaware statewide rules apply unless overridden below.

Last updated June 3, 2026

Mispillion River carries 3 special-regulation overlays on top of Delaware's 2026 fishing rules — covering Striped bass, Weakfish (sea trout / gray trout). Verify the agency booklet before launching: in-season changes are not yet wired to this page.

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State-level special regulation

Tidal estuary + Mispillion Inlet; striped bass + white perch + bluefish + summer flounder; year-round + 28-31 in striped bass slot + 1 / day
Source: Delaware special-water list

Per-species rules on Mispillion River

Striped bass regulations →
28-31 in slot, 1 / day; 20-24 in summer slot July 1 – Aug 31 (Delaware Bay tributary); tidal estuary + Mispillion Inlet
Weakfish (sea trout / gray trout) regulations →
13 in min, 1 / day; Slaughter Beach + Mispillion Inlet spring run

Official source

Delaware Department of Natural Resources & Environmental Control (DNREC) — Division of Fish & Wildlife publishes the authoritative 2026 Delaware fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.

Visit official Delaware fishing regulations →

Emergency-order channel

In-season closures, slot-limit changes, and run-count-driven harvest pauses are posted to Delaware Department of Natural Resources & Environmental Control's emergency-order feed — check it before any Delaware trip during the active season.

Other special-regulation waters in Delaware

Browse all water bodies →

Frequently asked questions

What special fishing regulations apply at Mispillion River?: Mispillion River carries 3 special-regulation overlays that override Delaware's statewide 2026 rules, covering Striped bass and Weakfish (sea trout / gray trout). One of them reads: "Tidal estuary + Mispillion Inlet; striped bass + white perch + bluefish + summer flounder; year-round + 28-31 in striped bass slot + 1 / day." Every overlay on this water body is listed in full above.
Do I need a fishing license to fish Mispillion River?: Yes. Mispillion River is in Delaware, so a valid Delaware fishing license is required just as it is anywhere else in the state, issued by Delaware Department of Natural Resources & Environmental Control (DNREC) — Division of Fish & Wildlife. The special regulations on this page change the bag, size, slot, or gear rules for Mispillion River; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Delaware rules.
Do Mispillion River's special rules replace Delaware's statewide limits?: Only where they conflict. Delaware's statewide 2026 regulations apply on Mispillion River by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.
Which species have special rules on Mispillion River?: Striped bass and Weakfish (sea trout / gray trout) have a water-body-specific rule on Mispillion River, each linking to its full Delaware regulations above. Species not listed here follow the statewide Delaware limits.

← Back to Delaware regulations overview