Fish identification archive / Scaled Sardine

Scaled Sardine

Harengula jaguana

Fun facts for your next surface interval

A row of 28–31 hard scutes runs along the belly. [source]
Two fleshy lobes border the rear gill opening. [source]
Its dorsal fin has no trailing filament. [source]

Florida and local context

Harengula jaguana is a species-level row in the Blue Heron Bridge (WPB), Phil Foster Park report.

A documented past record does not establish present abundance or guarantee an encounter.

Sources: REEF: named-site cumulative survey supplied with reservation

How to recognize this animal

A moderately deep silver herring with a dark back, clear fins and a dark spot behind the upper gill-cover corner.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine

Size and life stages

Smithsonian reports a maximum of 27.5 cm. This is a source-specific upper length, not a typical local sighting size.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine

Habitat and where to look

Coastal water above sand or mud, including estuaries and very salty lagoons; listed at 0–22 m.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine

Range and local context

New Jersey to Brazil. Local inclusion rests on the supplied named-site survey, not this broad range.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine; REEF: named-site cumulative survey supplied with reservation

What is on the menu?

The database lists animal plankton as food.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine

Daily habits and behavior

A pelagic fish, encountered in the water column rather than resting on the seabed. Local movement schedules were not verified.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine

Mating and the next generation

The database lists pelagic eggs and larvae. Local spawning dates were not verified.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine

Look-alikes and identification traps

Similar herrings and Spanish sardine require multiple features. Note body depth and spot placement; a distant silver fish may remain unidentified.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine

Observe without disturbing

Keep a respectful distance, maintain buoyancy and avoid touching, feeding or repositioning the animal. These are editorial observation recommendations, not a harvest assessment.

Sources: Smithsonian Tropical Research Institute: Scaled Sardine

Harvest, protection and eating safety

Unknown: exact harvest rules need verification

The neutral gray status means the rules or scope have not been fully verified. Exact species and jurisdiction clearance remains unresolved. Unknown is not a protected or prohibited classification.

This color is a qualified summary, not permission to collect or a guarantee that a particular animal is safe to eat.

Can it be hunted or harvested?

Baitfish status is not a season statement. Historic baitfish trawl programs do not establish current recreational Atlantic-corridor clearance. This review does not establish a bag, size, method or season allowance for this exact taxon.

Florida seasons and areas

Annual season and current-trip openness are both unverified. Absence of a listed closure is not affirmative evidence of year-round harvest. Check the mapped site before any take. Blue Heron Bridge closes listed marine-life collection, not all county fishing. Biscayne prohibits ornamental collection without a superintendent permit and has a mapped March 1–May 31 fishing/possession closure effective in 2026, with a stowed continuous-transit exception. Pennekamp disallows tropical-fish collection and spearfishing. Key Largo Management Area prohibits tropical-fish take, marine-invertebrate take except specified lobster/stone-crab activities, and spearfishing. Sanctuary Preservation Areas prohibit fishing/collection except expressly stated exceptions. These are site rules, not whole-corridor bans.

Can it be speared?

Species-specific spearing clearance is unverified; do not treat a missing prohibition as permission. FWC restricts spearfishing near public swimming beaches, fishing piers/bridges, jetties and in state parks. The Long Key-north Monroe restriction concerns state waters; Key Largo Management Area has a separate prohibition. Federal location alone is not clearance.

Is it safe to eat?

No food-safety clearance, recipe or meal frequency is established. Consult current Florida Health guidance for the animal, capture site and consumer. A legal allowance does not establish that a catch is safe to eat. No dated species-matched local menu evidence was verified.

Baitfish status is not a season statement. Historic baitfish trawl programs do not establish current recreational Atlantic-corridor clearance.

This review covers the Vero Beach–Key Largo Atlantic corridor: Indian River, St. Lucie, Martin, Palm Beach, Broward, Miami-Dade and Monroe counties. Florida Atlantic state waters and South Atlantic federal waters are distinct jurisdictions. Do not extend a state-water season tag to federal waters or transfer Atlantic rules to Gulf-side Keys waters. Park and sanctuary boundaries can override a species allowance.

Before you act: Confirm the species, date, exact management area, state or federal waters, gear, licenses and current local closures. A local occurrence record never grants permission to take an animal.

Official rules and health guidance

Reviewed 2026-11-11. Rules and advisories can change; check the linked authorities before acting.

Identification and source cautions

Historical cumulative citizen-science occurrence is not an independently reidentified voucher or a current encounter probability.
Regional habitat, depth and range do not prove occurrence at every corridor site.
Maximum length is source-specific, not a typical encounter size.
Detailed local spawning and activity schedules were not verified.

Sources and review

Biology and taxonomy reviewed 2026-11-11. Photographs on cited sites are reference material and are not reproduced here.

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