Cero

Bluish-green back fading to silvery sides and belly, silvery-yellow side spots that may form broken lines, a yellowish stripe from pectoral to tail, a dark blotch at the front of the first dorsal fin, and a gently sloping lateral line.

Silvery mackerel with yellowish side stripe and spots, a dark first-dorsal blotch and gently sloping lateral line.

2–5 lb.

About 2.7 ft and 17 lb.

Small fish and squid are documented prey.

The reviewed Florida profile documents offshore spawning in midsummer; this timing is not asserted for Puerto Rico.

Found in Puerto Rico. Start in the documented habitat and substrate for this species, then narrow the search using depth, current, structure and food activity. Habitat reference: Coastal waters, especially coral reefs and other structure. The reviewed Florida profile is regional and does not establish Puerto Rico abundance.

Coastal waters, especially coral reefs and other structure. The reviewed Florida profile is regional and does not establish Puerto Rico abundance.

Open-water species; activity commonly shifts through the upper water column with bait, temperature and current structure.

Start near the surface and upper water column around bait, weed lines, current edges or floating structure; work deeper only when marks or bait show deeper.

Water: marine. Habitat: reef.

Fish when local reports show bait and pelagic activity; in Puerto Rico these fisheries can be productive in multiple seasons rather than one universal peak.

Dawn through mid-morning and late afternoon are common starting windows, but active bait and current can produce throughout the day.

Offshore current edges, rips and convergences usually matter more than the tide table alone; fish the side holding bait.

Choose sea state, wind and visibility that let you hold position and handle the fish safely. Avoid treating rough weather as a feeding advantage.

Live pilchards and ballyhoo.

Small spoons and jigs.

Start with a medium-heavy offshore outfit, 30–50 lb main line, 50–80 lb leader and a bait/lure matched to the forage; scale up for larger fish.

A practical starting range is roughly 5/0–9/0 for natural bait, scaled to bait size and the target; use strong, non-stainless hooks when release is likely.

30–80 lb class mono or braid is a common offshore starting range; scale heavier for large tuna or billfish and lighter for school-size fish.

40–100 lb mono/fluorocarbon is a common starting range; toothy species may need heavier abrasion-resistant or wire bite protection.

Troll small spoons along the reef edge or drift live baits in a chum slick.

Let it go quickly if you're not keeping it.

Cero has documented food use in the BigJoe catalog/source set. Freshness matters — keep it on ice, and watch for any toxin or mercury advisory.

People do eat this species. We don't have taste or table-quality notes yet.

Safety first: FOOD TOXIN RISK — this fish belongs to a group associated with ciguatera in tropical/Caribbean waters. Risk varies by location, species and fish; the toxin cannot be detected by appearance, taste or smell and cooking does not destroy it. FOOD STORAGE HAZARD — if this fish is not promptly and properly chilled after catch, histamine/scombrotoxin can form. Cooking, freezing or smoking does not reliably destroy the toxin once formed. Ice it right away. Use a clean board and sharp knife; scale or skin only when appropriate, remove the viscera or fillet cleanly, trim damaged tissue/bloodline as desired, minimize warm-water exposure, and keep the edible portion cold. If the fish carries venomous spines, dangerous teeth or a toxin advisory, follow the safety warning before cleaning.

For routine cooked preparation, FDA seafood guidance uses 145°F (63°C) as the safe internal-temperature target for fish; flesh should be opaque and separate easily with a fork. Grilling, baking, broiling, steaming or pan-cooking can all work after the fish is positively identified, legally retained and cleared for applicable toxin/mercury advisories.

FOOD TOXIN RISK — this fish belongs to a group associated with ciguatera in tropical/Caribbean waters. Risk varies by location, species and fish; the toxin cannot be detected by appearance, taste or smell and cooking does not destroy it. FOOD STORAGE HAZARD — if this fish is not promptly and properly chilled after catch, histamine/scombrotoxin can form. Cooking, freezing or smoking does not reliably destroy the toxin once formed.

Rules: Cero — Puerto Rico minimum size: 16 in fork length minimum. 16 in fork length minimum. Verify current DRNA orders before fishing.

Avoid needless kills and follow protected-species, area and season rules.