Fish identification archive / Banded Jawfish
Banded Jawfish
Opistognathus macrognathus
Fun facts for your next surface interval
Florida and local context
Opistognathus macrognathus 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
Large-headed tan jawfish with rows of dark body blotches, a prominent black dorsal spot and finely speckled pectoral fins.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus
Size and life stages
Smithsonian reports a maximum length of 20 cm. This is a regional upper record, not a typical local encounter size.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus
Habitat and where to look
Sand-and-rubble burrows; 0–44 m reported.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus
Range and local context
South Florida, Bahamas and Gulf of Mexico to the southern Caribbean. Corridor inclusion instead rests on the named-site evidence below.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus; REEF: named-site cumulative survey supplied with reservation
What is on the menu?
The Smithsonian account lists: Bony fishes and crustaceans.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus
Daily habits and behavior
Burrow-associated; keep fin wash away from the entrance and allow the fish to emerge without coaxing.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus
Mating and the next generation
Brooded eggs and pelagic larvae are listed. Local spawning dates, brood size and detailed parental roles were not verified.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus
Look-alikes and identification traps
Compare other mottled jawfishes using dorsal-spot position and jaw shape; internal mouth details are unsuitable reasons to provoke gaping.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus
Observe without disturbing
Maintain buoyancy and give this fish space. Do not touch, feed, collect or reposition it for a photograph. These are editorial observation recommendations, not a harvest assessment.
Sources: Smithsonian Tropical Research Institute: Opistognathus macrognathus
Harvest, protection and eating safety
Live-only collection; closed sites override
Verified listed-group live collection, not recreational food harvest and not a blanket protected-species designation.
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?
Opistognathidae jawfish; maximum 4 inches total length. Where collection is lawful, land and maintain alive using adequate life support. Daily limit: five of a species within 20 organisms; two-day possession: ten of a species within 40 organisms. Recreational sale prohibited; license and allowed nonlethal gear rules apply.
Florida seasons and areas
No affirmative year-round food-harvest or seasonal clearance assigned. FWC marine-life requirements also apply in federal waters. Check mapped boundaries before any take. Blue Heron Bridge prohibits marine-life collection within the designated dive-site area, not all county fishing. Biscayne prohibits ornamental collection without a superintendent permit and has a mapped March 1–May 31 fishing/possession closure, effective March 2026, with properly stowed continuous transit excepted. Pennekamp prohibits tropical-fish collection and spearfishing. Key Largo Management Area prohibits taking tropical fish and marine invertebrates; the latter exceptions are commercial spiny-lobster/stone-crab trapping and recreational spiny-lobster hand/hand-gear take under applicable rules, not recreational crab collection. It separately prohibits spearfishing. Sanctuary Preservation Areas prohibit fishing and collection subject only to expressly stated exceptions. These are site restrictions, not a corridor-wide fishing ban.
Can it be speared?
Do not spear a live-only collection species. FWC allows specified nonlethal methods; no quinaldine. 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?
Live-only collection is not recreational food harvest. No species/site-specific food-safety clearance or meal frequency was established. Legal harvest does not mean safe to eat; some marine toxins survive cooking and freezing. Consult current Florida Health guidance and local advisories. No dated, species-matched local menu evidence was verified; recipes remain disabled.
Opistognathidae jawfish; maximum 4 inches total length.
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
- FWC current recreational marine-life table
- FAC current marine-life definition landing page; full text not exposed
- FWC current spearing methods and location restrictions
- NOAA current management-area tropical fish, invertebrate and spear restrictions
- NOAA current sanctuary preservation area restrictions
- NPS current Biscayne fishing and collection rules
- FWC current Biscayne mapped closure, effective March 2026
- Florida Health seafood toxin advice
- Florida Health consumption advice
- Florida State Parks Pennekamp brochure; official indexed prohibitions, not a new-rule source
Reviewed 2026-11-11. Rules and advisories can change; check the linked authorities before acting.
Identification and source cautions
- Historical citizen-science occurrence is not an independently reidentified voucher or current sighting probability.
- Regional habitat, depth and range are not proof of presence at every corridor site.
- Maximum length is source-specific; local breeding and daily activity schedules were not established.
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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