The Orinoco Delta is one of the most biodiverse regions on Earth. Its mix of freshwater rivers, brackish estuaries, and flooded forests supports an incredible variety of life. Key species include the Jaguar, Amazon River Dolphin, Giant Otter, Green Anaconda, and the critically endangered Orinoco Crocodile. The region is also a birdwatcher's paradise, with over 200 recorded species in the immediate vicinity.
Explore the Species Guide
🦅 Birds of the Orinoco Delta
Over 200 native species have been recorded in the delta's waterways and jungles. Listed alphabetically.
- Amazon Kingfisher (Chloroceryle amazona)
- Amazonian Grosbeak (Cyanoloxia rothschildii)
- American Pygmy Kingfisher (Chloroceryle aenea)
- Bananaquit (Coereba flaveola)
- Bat Falcon (Falco rufigularis)
- Bay-headed Tanager (Tangara gyrola)
- Bicolored Wren (Campylorhynchus griseus)
- Black Nunbird (Monasa atra)
- Black Skimmer (Rynchops niger)
- Black Vulture (Coragyps atratus)
- Black-banded Owl (Strix huhula)
- Black-chested Tyrant (Taeniotriccus andrei)
- Black-collared Hawk (Busarellus nigricollis)
- Black-crowned Night Heron (Nycticorax nycticorax)
- Black-eared Fairy (Heliothryx auritus)
- Black-headed Parrot (Pionites melanocephalus)
- Black-necked Aracari (Pteroglossus aracari)
- Black-tailed Tityra (Tityra cayana)
- Blue Dacnis (Dacnis cayana)
- Blue-and-yellow Macaw (Ara ararauna)
- Blue-black Grassquit (Volatinia jacarina)
- Blue-chinned Sapphire (Chlorestes notata)
- Blue-gray Tanager (Thraupis episcopus)
- Blue-tailed Emerald (Chlorostilbon mellisugus)
- Boat-billed Flycatcher (Megarynchus pitangua)
- Brown-chested Martin (Progne tapera)
- Brown-throated Parakeet (Eupsittula pertinax)
- Buff-breasted Wren (Cantorchilus leucotis)
- Buff-throated Saltator (Saltator maximus)
- Buff-throated Woodcreeper (Xiphorhynchus guttatus)
- Capped Heron (Pilherodius pileatus)
- Carib Grackle (Quiscalus lugubris)
- Cattle Tyrant (Machetornis rixosa)
- Cayenne Jay (Cyanocorax cayanus)
- Channel-billed Toucan (Ramphastos vitellinus)
- Chestnut-bellied Seed-Finch (Sporophila angolensis)
- Cinnamon Attila (Attila cinnamomeus)
- Cocoi Heron (Ardea cocoi)
- Collared Forest-Falcon (Micrastur semitorquatus)
- Common Ground Dove (Columbina passerina)
- Common Pauraque (Nyctidromus albicollis)
- Common Squirrel-Cuckoo (Piaya cayana)
- Common Tody-Flycatcher (Todirostrum cinereum)
- Crane Hawk (Geranospiza caerulescens)
- Cream-colored Woodpecker (Celeus flavus)
- Crested Caracara (Caracara plancus)
- Crested Oropendola (Psarocolius decumanus)
- Crimson-crested Woodpecker (Campephilus melanoleucos)
- Delta Amacuro Softtail (Thripophaga amacurensis) — Endemic
- Eared Dove (Zenaida auriculata)
- Fasciated Antshrike (Cymbilaimus lineatus)
- Forest Elaenia (Myiopagis gaimardii)
- Fork-tailed Palm Swift (Tachornis squamata)
- Fork-tailed Woodnymph (Thalurania furcata)
- Fulvous-crested Tanager (Tachyphonus surinamus)
- Glittering-throated Emerald (Chionomesa fimbriata)
- Golden-headed Manakin (Ceratopipra erythrocephala)
- Golden-winged Parakeet (Brotogeris chrysoptera)
- Gray Kingbird (Tyrannus dominicensis)
- Gray-breasted Martin (Progne chalybea)
- Gray-breasted Sabrewing (Campylopterus largipennis)
- Gray-cowled Wood-Rail (Aramides cajaneus)
- Gray-headed Kite (Leptodon cayanensis)
- Gray-lined Hawk (Buteo nitidus)
- Gray-winged Trumpeter (Psophia crepitans)
- Great Black Hawk (Buteogallus urubitinga)
- Great Egret (Ardea alba)
- Great Kiskadee (Pitangus sulphuratus)
- Great Tinamou (Tinamus major)
- Greater Ani (Crotophaga major)
- Greater Yellow-headed Vulture (Cathartes melambrotus)
- Green Aracari (Pteroglossus viridis)
- Green Honeycreeper (Chlorophanes spiza)
- Green Oropendola (Psarocolius viridis)
- Green-and-rufous Kingfisher (Chloroceryle inda)
- Green-backed Trogon (Trogon viridis)
- Green-rumped Parrotlet (Forpus passerinus)
- Green-throated Mango (Anthracothorax viridigula)
- Guianan Puffbird (Notharchus macrorhynchos)
- Helmeted Pygmy-Tyrant (Lophotriccus galeatus)
- Hoatzin (Opisthocomus hoazin)
- Horned Screamer (Anhima cornuta)
- King Vulture (Sarcoramphus papa)
- Large-billed Tern (Phaetusa simplex)
- Laughing Falcon (Herpetotheres cachinnans)
- Least Grebe (Tachybaptus dominicus)
- Lesser Kiskadee (Philohydor lictor)
- Lesser Swallow-tailed Swift (Panyptila cayennensis)
- Lineated Woodpecker (Dryocopus lineatus)
- Little Hermit (Phaethornis longuemareus)
- Little Tinamou (Crypturellus soui)
- Long-tailed Hermit (Phaethornis superciliosus)
- Mangrove Cuckoo (Coccyzus minor)
- Masked Cardinal (Paroaria nigrogenis)
- Mealy Amazon (Amazona farinosa)
- Mouse-colored Antshrike (Thamnophilus murinus)
- Muscovy Duck (Cairina moschata) — Exotic: Escapee
- Neotropic Cormorant (Nannopterum brasilianum)
- Northern Waterthrush (Parkesia noveboracensis)
- Ochre-bellied Flycatcher (Mionectes oleagineus)
- Ochre-throated Foliage-gleaner (Automolus ochrolaemus)
- Olivaceous Schiffornis (Schiffornis olivacea)
- Olive-gray Saltator (Saltator olivascens)
- Orange-winged Amazon (Amazona amazonica)
- Ornate Hawk-Eagle (Spizaetus ornatus)
- Pale-breasted Thrush (Turdus leucomelas)
- Pale-tailed Barbthroat (Threnetes leucurus)
- Pale-vented Pigeon (Patagioenas cayennensis)
- Palm Tanager (Thraupis palmarum)
- Paradise Jacamar (Galbula dea)
- Pied Puffbird (Notharchus tectus)
- Pied Water-Tyrant (Fluvicola pica)
- Piratic Flycatcher (Legatus leucophaius)
- Plain-crowned Spinetail (Synallaxis gujanensis)
- Plumbeous Kite (Ictinia plumbea)
- Plumbeous Pigeon (Patagioenas plumbea)
- Purple Honeycreeper (Cyanerpes caeruleus)
- Purple-throated Fruitcrow (Querula purpurata)
- Red-and-green Macaw (Ara chloropterus)
- Red-bellied Macaw (Orthopsittaca manilatus)
- Red-crowned Woodpecker (Melanerpes rubricapillus)
- Red-fan Parrot (Deroptyus accipitrinus)
- Red-legged Honeycreeper (Cyanerpes cyaneus)
- Red-rumped Cacique (Cacicus haemorrhous)
- Red-shouldered Macaw (Diopsittaca nobilis)
- Red-throated Caracara (Ibycter americanus)
- Reddish Hermit (Phaethornis ruber)
- Ringed Kingfisher (Megaceryle torquata)
- Roadside Hawk (Rupornis magnirostris)
- Rock Pigeon (Columba livia)
- Rose-breasted Chat (Granatellus pelzelni)
- Ruddy Ground Dove (Columbina talpacoti)
- Ruddy Pigeon (Patagioenas subvinacea)
- Rufescent Tiger-Heron (Tigrisoma lineatum)
- Rufous Crab Hawk (Buteogallus aequinoctialis)
- Rufous-breasted Hermit (Glaucis hirsutus)
- Rufous-browed Peppershrike (Cyclarhis gujanensis)
- Rufous-tailed Jacamar (Galbula ruficauda)
- Rufous-throated Sapphire (Hylocharis sapphirina)
- Rufous-vented Chachalaca (Ortalis ruficauda)
- Russet-crowned Crake (Rufirallus viridis)
- Rusty-margined Flycatcher (Myiozetetes cayanensis)
- Saffron Finch (Sicalis flaveola)
- Savanna Hawk (Buteogallus meridionalis)
- Scaled Dove (Columbina squammata)
- Screaming Piha (Lipaugus vociferans)
- Semipalmated Plover (Charadrius semipalmatus)
- Shiny Cowbird (Molothrus bonariensis)
- Short-tailed Swift (Chaetura brachyura)
- Silver-beaked Tanager (Ramphocelus carbo)
- Silvered Antbird (Sclateria naevia)
- Smooth-billed Ani (Crotophaga ani)
- Snowy Egret (Egretta thula)
- Social Flycatcher (Myiozetetes similis)
- Southern Beardless-Tyrannulet (Camptostoma obsoletum)
- Southern House Wren (Troglodytes musculus)
- Southern Lapwing (Vanellus chilensis)
- Spot-breasted Woodpecker (Colaptes punctigula)
- Streaked Flycatcher (Myiodynastes maculatus)
- Striated Heron (Butorides striata)
- Stripe-backed Wren (Campylorhynchus nuchalis)
- Sulphury Flycatcher (Tyrannopsis sulphurea)
- Swallow-tailed Kite (Elanoides forficatus)
- Swallow-winged Puffbird (Chelidoptera tenebrosa)
- Tropical Kingbird (Tyrannus melancholicus)
- Tropical Mockingbird (Mimus gilvus)
- Tropical Parula (Setophaga pitiayumi)
- Tropical Screech-Owl (Megascops choliba)
- Tufted Coquette (Lophornis ornatus)
- Turkey Vulture (Cathartes aura)
- Turquoise Tanager (Tangara mexicana)
- Variegated Tinamou (Crypturellus variegatus)
- Velvet-fronted Grackle (Lampropsar tanagrinus)
- Vermilion Flycatcher (Pyrocephalus rubinus)
- Versicolored Emerald (Chrysuronia versicolor)
- Violaceous Euphonia (Euphonia violacea)
- Wedge-billed Woodcreeper (Glyphorynchus spirurus)
- Western Cattle-Egret (Ardea ibis)
- Whistling Heron (Syrigma sibilatrix)
- White-bellied Piculet (Picumnus spilogaster)
- White-chested Emerald (Chrysuronia brevirostris)
- White-eyed Parakeet (Psittacara leucophthalmus)
- White-lined Tanager (Tachyphonus rufus)
- White-lored Tyrannulet (Ornithion inerme)
- White-necked Jacobin (Florisuga mellivora)
- White-necked Thrush (Turdus albicollis)
- White-tailed Goldenthroat (Polytmus guainumbi)
- White-throated Toucan (Ramphastos tucanus)
- White-tipped Dove (Leptotila verreauxi)
- White-winged Swallow (Tachycineta albiventer)
- Yellow Oriole (Icterus nigrogularis)
- Yellow-bellied Elaenia (Elaenia flavogaster)
- Yellow-billed Tern (Sternula superciliaris)
- Yellow-crowned Amazon (Amazona ochrocephala)
- Yellow-crowned Tyrannulet (Tyrannulus elatus)
- Yellow-green Grosbeak (Caryothraustes canadensis)
- Yellow-headed Caracara (Daptrius chimachima)
- Yellow-margined Flatbill (Tolmomyias assimilis)
- Yellow-rumped Cacique (Cacicus cela)
- Yellow-tufted Woodpecker (Melanerpes cruentatus)
- Zone-tailed Hawk (Buteo albonotatus)
🐆 Mammals of the Orinoco Delta
Felines (Felidae)
- Jaguar (Panthera onca) — Apex predator of the jungle
- Puma (Puma concolor)
- Ocelot (Leopardus pardalis)
- Margay (Leopardus wiedii)
- Jaguarundi (Herpailurus yagouaroundi)
- Geoffroy’s Cat (Leopardus geoffroyi)
- Southern Tiger Cat (Leopardus guttulus)
Aquatic & Semi-Aquatic Mammals
- Amazon River Dolphin / Boto (Inia geoffrensis)
- Tucuxi / Grey River Dolphin (Sotalia fluviatilis)
- West Indian Manatee (Trichechus manatus)
- Giant Otter (Pteronura brasiliensis)
- Neotropical River Otter (Lontra longicaudis)
- Capybara (Hydrochoerus hydrochaeris) — World’s largest rodent
Primates & Other Land Mammals
- Red Howler Monkey (Alouatta seniculus)
- Brown Capuchin (Cebus olivaceus)
- Spider Monkeys (Ateles spp.)
- Tapir (Tapirus terrestris)
- Collared Peccary (Pecari tajacu)
- White-lipped Peccary (Tayassu pecari)
Anteaters (Vermilingua) & Rodents
- Giant Anteater (Myrmecophaga tridactyla) — "Oso Palmero"
- Southern Tamandua (Tamandua tetradactyla)
- Silky Anteater (Cyclopes didactylus)
- Paca / Lapa (Cuniculus paca)
- Orinoco Agouti (Dasyprocta guamara) — Endemic
- Guianan Squirrel (Guerlinguetus aestuans)
🦎 Reptiles of the Orinoco Delta
Crocodilians
- Orinoco Crocodile (Crocodylus intermedius) — Critically Endangered
- Spectacled Caiman (Caiman crocodilus)
- Cuvier's Dwarf Caiman (Paleosuchus palpebrosus)
Turtles & Tortoises
- Arrau River Turtle (Podocnemis expansa) — Critically Endangered
- Yellow-spotted River Turtle (Podocnemis unifilis)
- Mata Mata (Chelus fimbriatus)
- Yellow-footed Tortoise (Geochelone denticulata)
- Green Sea Turtle (Chelonia mydas) — Endangered
- Olive Ridley Sea Turtle (Lepidochelys olivacea) — Endangered
Snakes
- Green Anaconda (Eunectes murinus)
- Red-tailed Boa (Boa constrictor)
- Fer-de-Lance (Bothrops atrox) — Venomous
- Bushmaster (Lachesis muta) — Venomous
- Coral Snake (Micrurus dissoleucus) — Venomous
- Sipo Snake (Chironius carinatus)
- Water Snake (Helicops angulatus)
Lizards & Geckos
- Green Iguana (Iguana iguana)
- Delta Anole (Anolis deltae) — Endemic
- Turnip-tailed Gecko (Thecadactylus rapicauda)
- Giant Tegu (Tupinambis teguixin)
- Ameiva (Ameiva ameiva)
🐟 Fish of the Orinoco Delta
With over 438 recorded species, the delta is a massive interface between freshwater and marine life. Listed alphabetically.
- Acoupa Weakfish (Cynoscion acoupa)
- Arawana (Osteoglossum bicirrhosum)
- Armored Catfish / Plecos (Hypostomus spp., Pterygoplichthys spp.)
- Atlantic Needlefish (Strongylura marina)
- Atlantic Sabretooth Anchovy (Lycengraulis grossidens)
- Atlantic Tarpon (Megalops atlanticus)
- Banded Knifefish (Gymnotus carapo)
- Banded Leporinus (Leporinus fasciatus)
- Banded Puffer (Colomesus psittacus)
- Bates' Anchovy (Lycengraulis batesii)
- Bay Whiff (Citharichthys spilopterus)
- Black Ghost Knifefish (Apteronotus albifrons)
- Black Piranha (Serrasalmus rhombeus)
- Black Spot Piranha / Caribe (Pygocentrus cariba)
- Bloch's Catfish (Pimelodus blochii)
- Bluntnose Knifefish (Brachyhypopomus beebei)
- Bonaparte's Knifefish (Apteronotus bonapartii)
- Brazilian Cownose Ray (Rhinoptera brasiliensis)
- Bull Shark (Carcharhinus leucas)
- Bullnose Eagle Ray (Myliobatis freminvillei)
- Burro Grunt (Pomadasys crocro)
- Caitipa Mojarra (Diapterus rhombeus)
- Candiru (Vandellia beccarii)
- Checkered Puffer (Sphoeroides testudineus)
- Chola Guitarfish (Rhinobatos percellens)
- Common Snook (Centropomus undecimalis)
- Crevalle Jack (Caranx hippos)
- Cuvier's Pike-characin (Boulengerella cuvieri)
- Cyprinoid Curimata (Curimata cyprinoides)
- Discus Ray (Paratrygon aiereba)
- Dogtooth Herring (Chirocentrodon bleekerianus)
- Drab Sole (Achirus achirus)
- Duckbill Catfish (Platynematichthys notatus)
- Duckbill Catfish (Sorubim lima)
- Eartheater (Geophagus abalios)
- Electric Eel (Electrophorus electricus)
- Elongate Triportheus (Triportheus auritus)
- Fat Sleeper (Dormitator maculatus)
- Fat Snook (Centropomus parallelus)
- Firewood Catfish (Sorubimichthys planiceps)
- Flag Cichlid (Mesonauta egregius)
- Flatwhiskered Catfish (Pinirampus pirinampu)
- Florida Pompano (Trachinotus carolinus)
- Freshwater Goby (Awaous flavus)
- Freshwater Needlefish (Potamorrhaphis guianensis)
- Freshwater Stingrays (Potamotrygon spp.)
- Freshwater Worm Eel (Stictorhinus potamius)
- Glass Characin (Roeboides affinis)
- Glass Knifefish (Eigenmannia macrops)
- Golden Mylossoma (Mylossoma aureum)
- Ground Croaker (Bairdiella ronchus)
- Guiana Anchovy (Anchoviella guianensis)
- Guiana Longfin Herring (Odontognathus mucronatus)
- Guayana Pike Conger (Cynoponticus savanna)
- Halfbeak (Hyporhamphus roberti)
- Hard-bellied Silver Dollar (Mylossoma duriventre)
- Horse-eye Jack (Caranx latus)
- Jau Catfish (Zungaro zungaro)
- King Weakfish (Macrodon ancylodon)
- Ladyfish (Elops saurus)
- Leatherjacket (Oligoplites saurus)
- Lebranche Mullet (Mugil liza)
- Lined Sole (Achirus lineatus)
- Longfinger Anchovy (Anchoa filifera)
- Longnose Stingray (Dasyatis guttata)
- Longtail Knifefish (Sternopygus macrurus)
- Longtail Sole (Apionichthys dumerili)
- Lookdown (Selene vomer)
- Manamo Anchovy (Anchoviella manamensis)
- Marbled Headstander (Abramites hypselonotus)
- Maria's Cichlid (Bujurquina mariae)
- Meta Tiger Catfish (Pseudoplatystoma metaense)
- Morocoto / Pacu (Piaractus brachypomus)
- Mud Sleeper (Butis koilomatodon)
- Naked Goby (Gobiosoma bosc)
- Orinoco Laemolyta (Laemolyta orinocensis)
- Orinoco Peacock Bass (Cichla orinocensis)
- Orinoco Silver Dollar (Metynnis orinocensis)
- Orinoco Tiger Catfish / Surubim (Pseudoplatystoma orinocoense)
- Orinoco Triportheus (Triportheus orinocensis)
- Oscar (Astronotus ocellatus)
- Parasitic Catfish (Ochmacanthus alternus)
- Parassi Mullet (Mugil incilis)
- Pesu (Brycon pesu)
- Pike Characin (Acestrorhynchus microlepis)
- Piraíba / Giant Catfish (Brachyplatystoma spp.)
- Ram Cichlid (Mikrogeophagus ramirezi)
- Red-bellied Pacu (Piaractus brachypomus)
- Redhook Silver Dollar (Myloplus rubripinnis)
- Redtail Catfish (Phractocephalus hemioliopterus)
- Redtail Payara (Acestrorhynchus falcatus)
- Ringtail Pike Cichlid (Crenicichla saxatilis)
- Saddle Cichlid (Aequidens tetramerus)
- Scaled Sardine (Harengula jaguana)
- Schroeder's Stingray (Potamotrygon schroederi)
- Severum (Heros severus)
- Sharpsnout Stingray (Dasyatis geijskesi)
- Silver Dollar (Metynnis argenteus)
- Silver Pike-characin (Boulengerella lucius)
- Slender Piranha (Serrasalmus elongatus)
- Smalleye Hammerhead (Sphyrna tudes)
- Smalleyed Round Ray (Urotrygon microphthalmum)
- Smalltooth Sawfish (Pristis pectinata)
- Smooth Butterfly Ray (Gymnura micrura)
- Smooth Weakfish (Cynoscion leiarchus)
- Smoothback River Stingray (Potamotrygon orbignyi)
- South American Silver Croaker (Plagioscion squamosissimus)
- Southern Kingcroaker (Menticirrhus americanus)
- Speckled Worm Eel (Myrophis punctatus)
- Spicule Anchovy (Anchoa spinifer)
- Spinycheek Sleeper (Eleotris pisonis)
- Spotted Eagle Ray (Aetobatus narinari)
- Spotted Pike-characin (Boulengerella maculata)
- Stardrums (Stellifer spp.)
- Striped Mojarra (Eugerres plumieri)
- Swordspine Snook (Centropomus ensiferus)
- Tambaqui (Colossoma macropomum)
- Ternetz's Anostomus (Anostomus ternetzi)
- Threespot Leporinus (Leporinus friderici)
- Three-spot Eartheater (Satanoperca daemon)
- Torroto Grunt (Genyatremus luteus)
- Two-colored Brycon (Brycon bicolor)
- White Mullet (Mugil curema)
- Whitemouth Croaker (Micropogonias furnieri)
- Wingfin Anchovy (Pterengraulis atherinoides)
- Yellowfin River Pellona (Pellona flavipinnis)
- Anchoviella perezi
- Apistogramma guttata
- Apistogramma hoignei
- Apistogramma hongsloi
- Biotoecus dicentrarchus
- Brachyhypopomus brevirostris
- Caenotropus labyrinthicus
- Callichthys callichthys
- Cetengraulis edentulus
- Charax gibbosus
- Charax apurensis
- Charax notulatus
- Chilodus punctatus
- Cichlasoma orinocense
- Cichlasoma taenia
- Cleithracara maronii
- Corydoras spp.
- Creagrutus bolivari
- Creagrutus ephippiatus
- Ctenobrycon spilurus
- Curimata cerasina
- Erythrinus erythrinus
- Exodon paradoxus
- Galeocharax sp.
- Gephyrocharax valencia
- Gnathocharax steindachneri
- Gobioides broussonnetii
- Gobionellus oceanicus
- Gymnocorymbus bondi
- Gymnocorymbus thayeri
- Gymnorhamphichthys hypostomus
- Helicops angulatus
- Hemibrycon metae
- Hemigrammus spp.
- Hoplarchus psittacus
- Hyphessobrycon bentosi
- Hypoclinemus mentalis
- Hypopygus lepturus
- Hypopygus neblinae
- Iguanodectes spilurus
- Jupiaba polylepis
- Kryptolebias ocellatus
- Lagocephalus laevigatus
- Laemolyta fernandezi
- Leptodeira annulata
- Leporinus maculatus
- Leporinus steyermarki
- Lonchurus lanceolatus
- Markiana geayi
- Mesonauta insignis
- Microcharacidium eleotrioides
- Microglanis poecilus
- Micropoecilia bifurca
- Micropoecilia parae
- Micropoecilia picta
- Microsternarchus bilineatus
- Moenkhausia spp.
- Myliobatis freminvillei
- Myrophis punctatus
- Nannacara quadrispinae
- Odontostilbe pulchra
- Paragoniates alburnus
- Paralonchurus brasiliensis
- Pellona castelnaeana
- Pellona harroweri
- Phenacogaster megalostictus
- Phenacogaster microstictus
- Piabucus dentatus
- Pimelodina flavipinnis
- Pimelodus altissimus
- Plagioscion auratus
- Platysilurus mucosus
- Poecilia reticulata
- Poecilia vivipara
- Polycentrus schomburgkii
- Polydactylus virginicus
- Poptella compressa
- Poptella longipinnis
- Potamorrhaphis guianensis
- Prionotus punctatus
- Pristella maxillaris
- Pristobrycon calmoni
- Pristobrycon striolatus
- Propimelodus sp.
- Pseudanos irinae
- Pseudostegophilus nemurus
- Pseudotylosurus microps
- Rachovia maculipinnis
- Rhamphichthys apurensis
- Rhamphichthys rostratus
- Rivulus deltaphilus
- Rivulus hartii
- Scorpaena brasiliensis
- Scomberomorus brasiliensis
- Selene setapinnis
- Serrasalmus altuvei
- Serrasalmus irritans
- Serrasalmus medinai
- Sphoeroides testudineus
- Steatogenys elegans
- Stellifer magoi
- Stellifer microps
- Stellifer naso
- Stellifer rastrifer
- Stellifer stellifer
- Stictorhinus potamius
- Strongylura marina
- Symphurus tessellatus
- Synbranchus marmoratus
- Tetragonopterus chalceus
- Tomeurus gracilis
- Trichiurus lepturus
- Trinectes maculatus
- Trinectes paulistanus
- Triportheus brachipomus
- Triportheus venezuelensis
- Umbrina coroides
- Xenagoniates bondi