Illustrated redfish and speckled trout above oyster bottom beside marsh grass.NAMES · FEATURES · FISHING

GET TO KNOW THE FISH

Louisiana fish:names, features and ways to fish.

Look up a fish you have heard about, learn its other names and explore how people fish for it. The guides cover lakes, rivers, coastal waters and the Gulf, with shorter notes for more fish, sharks and rays.

COMMON NAMES & LOCAL NAMES

Different names can lead to the same fish.

Redfish is another name for red drum, and Louisiana anglers often call crappie sac-a-lait. Some everyday names cover a group: bream can refer to sunfish such as bluegill and redear. A familiar name gets you started, but it may not identify one exact kind of fish.

Names can also cross animal groups. Mahi-mahi is a fish also called dolphinfish; a bottlenose dolphin is a mammal. Sharks and rays belong in the fish search below. For dolphins, turtles, shellfish and other animals, use the water-and-wildlife library.

If you are comparing a fish you have caught, look at several features together: body shape, markings, fins and mouth. Use the identification lesson to make those comparisons. The illustrations here introduce animal types and do not show every feature needed to tell similar species apart.

FISH NAMES & BEGINNER GUIDES

Find a fish by its common or local name.

Try a name such as redfish, sac-a-lait or bull shark. The search covers both the short notes and the detailed fishing guides. Short notes appear first; the longer guides follow in coastal, Gulf and freshwater groups. The animal-group and water filters narrow the short notes only.

20 detailed guides · 49 additional short notes

49 SHORT NOTES · LOUISIANA & THE GULF

More fish, sharks and rays

Browse additional fish, shark and ray names. A short note introduces the animal; the linked guide explains the related subject in more detail.

49 of 49 additional entries match. Showing 12.

Habitat means the place an animal lives. Water tags describe broad settings, not today’s location of an animal. Some notes cover a group of animals, marked as a group entry. The illustrations introduce animal types; use a full reference for identification. In fin descriptions, dorsal means along the back, pectoral means at the sides behind the head, and anal means on the underside toward the tail.

Sharks

Blacktip shark

Carcharhinus limbatus

Historical Louisiana survey

A coastal shark associated with bays, river mouths and shelf water. It can resemble a spinner shark, so compare fins and body together.

A starting point

Black-tipped fins can resemble spinner shark; compare the underside fin near the tail and the position of the first back fin.

Estuaries & brackish water · Coast & nearshore

Read the related guide

Sharks

Bull shark

Carcharhinus leucas

Historical Louisiana survey

A heavy-bodied coastal shark that can enter estuaries and freshwater. The setting alone cannot establish whether the animal is a bull shark.

A starting point

Compare the blunt head, small eyes and rear-sloping first fin on the back.

Freshwater · Estuaries & brackish water · Coast & nearshore

Read the related guide

Finfish · Group entry

Bowfin / choupique

Amia spp.

Louisiana freshwater record

A native freshwater fish often confused with introduced snakeheads. Choupique and grinnel are useful local search names.

A starting point

Compare the long back fin, rounded tail and short fin underneath near the tail with the full reference.

Freshwater

Read the related guide

Finfish

Atlantic croaker

Micropogonias undulatus

Louisiana / northern Gulf

A bottom-feeding drum of bays, estuaries and the Gulf. Its croaking sound gives the fish its name.

A starting point

Look for wavy markings and a rounded tail; compare similar spot.

Estuaries & brackish water · Coast & nearshore

Read the related guide

Rays

Cownose ray

Rhinoptera bonasus

Louisiana survey record

A ray recorded in a Louisiana shrimp-fishery catch study. Rays and sharks have skeletons of cartilage, a flexible material rather than bone.

A starting point

Its broad body forms a swimming disc; use the full ray reference for identification.

Estuaries & brackish water · Coast & nearshore

Read the related guide

Finfish

Sand seatrout / white trout

Cynoscion arenarius

Louisiana / northern Gulf

Sand and mud bottoms support this seatrout from estuaries into the Gulf. White trout is a shared local name, so distinguish it from silver seatrout.

A starting point

Often has a yellowish tone; compare the full agency illustration.

Estuaries & brackish water · Coast & nearshore

Read the related guide

Finfish

Silver seatrout

Cynoscion nothus

Louisiana / northern Gulf

A northern Gulf seatrout that is often grouped with sand seatrout under the name white trout. They are different species.

A starting point

A silver body without the yellowish tone described for sand seatrout; use the full comparison.

Estuaries & brackish water · Coast & nearshore

Read the related guide

Finfish

Gafftopsail catfish

Bagre marinus

Louisiana / northern Gulf

A coastal catfish with long fin extensions and whisker-like feelers called barbels. It feeds at different levels between the surface and bottom.

A starting point

Look for the long fin extensions; the fin spines are sharp. Use the full reference.

Estuaries & brackish water · Coast & nearshore

Read the related guide

Finfish

Hardhead catfish

Louisiana / northern Gulf

A saltwater catfish of coastal water and estuaries, where fresh water and seawater mix. It lacks the gafftopsail catfish’s long fin extensions.

A starting point

Compare the whisker-like chin feelers and fins with the full reference; fin spines are sharp.

Estuaries & brackish water · Coast & nearshore

Read the related guide

Finfish

Striped mullet

Mugil cephalus

Louisiana / northern Gulf

Mullet can group together in rivers, coastal mixed water and the Gulf. They eat algae and small pieces of dead organic material, and larger fish eat them.

A starting point

Look for two separated fins along the back; stripes can be clearer on larger fish.

Freshwater · Estuaries & brackish water · Coast & nearshore

Read the related guide

Finfish

King mackerel / kingfish

Scomberomorus cavalla

Louisiana / northern Gulf

An open-water coastal predator that follows food and temperature. Young kings can have spots, making color alone an unreliable distinction from Spanish mackerel.

A starting point

Compare the sharply dipping line along the side, called the lateral line, and the first fin on the back.

Coast & nearshore · Offshore Gulf

Read the related guide

Finfish

Spanish mackerel

Scomberomorus maculatus

Louisiana / northern Gulf

A coastal predator that swims in groups and feeds heavily on smaller fish. Use the full species reference when comparing it with a young king mackerel.

A starting point

Oval yellowish spots; the lateral line along the side does not dip as sharply as a king mackerel’s.

Coast & nearshore · Offshore Gulf

Read the related guide

37 more match your current filters.

Directory reviewed October 23, 2026. These short notes introduce the subject; follow the guide links to learn more. Use current official requirements before fishing or collecting animals.

Explore mammals, turtles, shellfish & other water life →
Sources and review notes

Our field notes synthesize the references below. Some surveys and biology accounts are historical. Louisiana records are distinguished from the wider Gulf range; existing fishing lessons keep their original source and review notes.

Louisiana Department of Wildlife and Fisheries
Louisiana fish-identification posters, waterbody management plans, the shrimp-fishery bycatch evaluation, wildlife action plan and mussel accounts support local occurrence and animal names. Some official pages were available only as indexed text; direct requests returned access errors.
Louisiana Sea Grant, LSU AgCenter and the University of New Orleans
Sea Grant biological profiles, the 2006 Louisiana shark-nursery study summary, crawfish biology and the 2025 Pontchartrain invertebrate guide inform habitat and identification notes. Historical survey records describe past observations rather than present abundance.
NOAA Fisheries and the U.S. Fish and Wildlife Service
Species profiles, shark-identification references, the Louisiana protected-marine-species list, refuge accounts and the Louisiana pearlshell account inform biology and range. NOAA’s 2026 whale-shark report qualifies the historical Ewing Bank aggregation.
Additional identification comparisons
Texas Parks and Wildlife species profiles inform anatomical comparisons, with Louisiana occurrence checked separately. Texas fishing rules and access information are not applied here. The mammal lessons also retain their attributed Virginia Tech identification comparison.

Recognition cues and illustrations are starting points, rather than complete identification keys. Our Louisiana licenses and rules guide explains how to use the responsible official agency for current requirements.

8 FISHING GUIDES

Fish of the marshes, bays and coast

Explore redfish, trout, drum and other fish associated with Louisiana’s marshes, bays and coastal waters. The individual guides explain the habitats and methods; these fish are not confined to one setting.

6 FISHING GUIDES

Fish of the open Gulf

Meet tuna, wahoo, snappers and other Gulf fish. Compare open-water fishing with fishing around reefs and other underwater features, and learn what each method asks you to do.

6 FISHING GUIDES

Fish of lakes and rivers

Explore bass, crappie, catfish, sunfish and gar in water with little salt. Some guide names cover several species, so read beyond the familiar name.

FROM THE FISH TO THE FISHING

Use the guide to understand the habitat and method.

Habitat is the kind of place a fish lives. A coastal fish might be associated with marsh edges, while another guide describes fishing near a reef or in open water. These broad groups help you browse; they do not tell you exactly where a fish will be today.

Read what the fishing involves before choosing equipment. Lowering bait toward the bottom, casting a lure and pulling a lure behind a moving boat call for different actions. The fish guide introduces the method; the skills lessons explain how to do it.

The seasonal calendar describes fishing patterns. Before keeping a catch, use the current requirements for the identified fish, water and date; a seasonal pattern is not a harvest season.