Mackerels · Saltwater · 2026 season

| Where | Season | Size limit | Daily limit |
|---|---|---|---|
| State waters | Open year-round | No size limit | No daily limit |
Source: DNREC Division of Fish & Wildlife, captured 2026-09-20 (2026 season).
Say it, snap a photo, or type the length. SlotGauge answers KEEP or RELEASE using today's Delaware rules.
Open SlotGauge for Cero MackerelSpecies of fish
The cero, also known as the pintado, kingfish, cero mackerel, cerite or painted mackerel, is a ray-finned bony fish in the family Scombridae, better known as the mackerel family. More specifically, this fish is a member of the tribe Scomberomorini, the Spanish mackerels, and is the type species of the genus Scomberomorus.
Read more about Cero (fish) on Wikipedia →
Text from Wikipedia, CC BY-SA 4.0. Regulations on this page come from DNREC Division of Fish & Wildlife, not Wikipedia.
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No size limit in Delaware state waters.
No daily limit.
Open year-round.
Cero Mackerel has no size limit today, with no daily limit.