Table of Contents Invertebrates Ampullariidae: apple snail....8 Anisoptera: dragonflies (larva).2 Belostomatidae: giant water bug (adult).....9 Bivalva: bivalves...3 Cambaridae: crayfish.4 Coenagrionidae : damselfly (larva).......5 Corbiculidae: Asian clam...3 Dytiscidae: predaceous diving beetle (adult),water tiger (larva)..6 Ephemeroptera: mayfly (larva)....7 Gastropoda: snails.8 Gyrinidae: whirligig waterbeetle (adult)..7 Heteroptera: true bugs (adult).9-10 Hirudinea: leech11 Naucoridae: alligator flea (adult).10 Nepidae: water scorpion (adult)...10 Palaemonidae: grass shrimp.11 Physidae: physid snail...8 Planorbidae: planorbid snail.....8 Sphaeriidae: fingernail clam..3 Unionidae: freshwater mussel...3 Amphibians Amphiumidae: amphiumas...35 Salamandridae: newts, salamanders.....35 Sirenidae: sirens..36 Fish Amiidae: bowfin.12 Antherinidae: silversides12 Callichthyidae: armored catfish13 Centrarchidae: sunfish...14-20 Clariidae: air breathing catfish..27 Cichlidae: cichlids, tilapia..21-26 Cyprinidae: minnows, shiners27 Cyprinodontidae: pupfish..28 Elassomatidae: pygmy sunfish.28 Fundulidae: topminnows..29-30 Ictaluridae: freshwater catfish..30 Lepisosteidae: gar..31 Loricariidae: South American armored catfish31 Percidae: perch, darters.32 Poeciliidae : livebearers, mollies, mosquitofish33-34 2 Invertebrates Aeshnidae (larva): AESCHCommon name: Darner Cigar-shaped/cylindrical body Mouth parts: flat (a) Libellulidae (larva): LIBELCommon name: Skimmer Wide, flattened body Mouth parts: spoon shaped (a) Unidentified dragonfly larva: ANISCommon name: Dragonfly Caudal gills: three short pointsAnisoptera order Gomphidae (larva): GOMPHCommon name: Clubtail Tapered abdomen Mouthparts: flat, short (a) Native Native Native 3 Invertebrates Exotic Bivalva class Unionidae: UNION Common name: Freshwater mussel Color: native mussels (spikes) are dark brown; others may be yellow, green, or tan and have rays or other pigmented patterns. Protective outer coating often peels off apex of shell (umbo) on older individuals, revealing white calcium un-derneath Sphaeriidae: SPHAE Common name: Fingernail clam Average length: 2-10 mmShell color: cream to slightly rosy Growth rings very small and close together, making the shell feel smooth. Corbicula fluminea: CORFLUCommon name: Asian clam Average length: 35-50 mm Shell is thick, strong Growth rings widely spaced, visible ridges.Rough when scratched with fingernail. Usually dark brown/blackish Exotic 4 Invertebrates Cambaridae family Procambarus fallax: PROALL Common name: Slough crayfish Sexable at 5 mm:a.:Annulus between last set of walking legs b. :Pleopods before first set of swimmeretsCompare to: Procambarus alleni (has headlights) Procambarus alleni: PROALL Common name: Everglades crayfish/Florida crayfish Sexable at 5 mm:a.Annulus between last set of walking legs b.Pleopods before first swimmerets Headlights: two dark pectoral spotsCommon name: Everglades crayfish/Florida crayfish Compare to: Procambarus fallax (no headlights) Native Native Unidentified Procambarus: PROSPP 5 Invertebrates Coenagrionidaefamily 1Coleoptera order Coenagrionidae (larva): COENA Common name: Narrow-winged damselfly Caudal gills: 3 long, feather-like appendages on apex of abdomen Body: slender, with head being the widest part Compare with: Anisoptera, Ephemeroptera (compare caudal gills) Native Native Unknown adult Coleoptera: COLEOA*NOTE: Use this code for unknown specimens and for all families below that do not have a unique code.Include fami-ly name in the notes. Noteridae: burrowing water beetles tiny, orange-brown oval body 40 mm length) Beak: basal segment about half as long as second seg-ment Hind legs: tibia and tarsus flattened and wider than tib-ia and tarsus of middle leg One large and one reduced claw on foreleg Compare with: Belostoma Belostoma spp. (adult): BELOSCommon name: giant water bug Smaller in size than Lethocerus (18-25 mm) Beak: basal segment subequal to second segment Legs: tibia and tarsus of mid and hind similar Hemelytron (forewing): larger transparent area Compare with: Lethocerus Native Native 10 Invertebrates Heteroptera order Pelocorisfemoratus (adult): NAUCO Common name: Alligator flea Dorsoventrally flattened body Antennae: 4 segments, not visible from above Eyes: lines drawn along inner margins of eyes and continued down length of body converge anteriorly Fore legs: raptoral, with huge femora Nepidae family Ranatra spp. (adult): RANATRA Common name: Water scorpion Elongate, stick-like body Antennae: shorter than length of head, originatebelow eyes, not visible from above Legs: all with one tarsal segment, front legs raptorial Long, nonretractile, cylindrical siphon at apex of abdomen Native Native Naucoridae family 11 Invertebrates 1Hirudinea family Hirudinae: HIRUD Common name: Leech Suckers: two on underside, one in the front and one in the back end of the body Variable number of eyespots in the first few body segments Variable colors, patterns Native Unidentified Heteroptera (adult): HETER Common name: true bug Mouthparts: beak or cone that folds under head when not in use Wings: forewings leathery and opaque at base, membranous and translucent or transparent toward edges; hindwings membranous and transparent. Fold flatat rest, forming an X on back Body often flattened Heteroptera order Palaemonidae family Palaemonetes paludosus: PALPAL Common name: Grass shrimp Body cylindrical, abdomen often curled under Legs: 5 pairs walking legs, small hinged claws on ends of 1st 2 pairs Snout ends in notched spike reaching far past eyes Color: grey to transparent, often turn pink when frozen Native Fish 12 Labidesthes sicculus: LABSIC Common name: brook silverside Long, narrow snout Black, horizontal stripe down length of body Dorsal fins: two; first starts directly above start of anal fin Anal fin: long, sickle-shaped Pectoral fins stick out Compare to: Menidia beryllina (compare position of 1st dorsal fin) Amia calva: AMICAL Common name: bowfin Long, cylindrical body Dorsal fin extends more than half the length of back Mouth: large, extends past eye; many teeth Tubular nostrils Large, bony gular plate Black spot near upper base of caudal fin (in young) Amiidae family Antherinidae family Native Native Fish 13 Hoplosternum littorale: HOPLIT Common name: Brown hoplo Hard, armored exterior Barbels: 4 pairs Adipose fin present, with spine at front Compare with: Bullheads (Ameiurus spp.), Tadpole madtom, Orinoco sailfin catfish, Walking catfish (Clarius batrachus) Exotic Callichthyidae family Fish 14 Centrarchidae key Native Sunfish: Adapted from Loftus and Kushlan 1986 Rounded tail? Suborbital bar? Body has a few brown specks, subopercle unspotted? Gill rakers very short and stubby, not touching each other? Opercular spot black, in-cluding margins? Black spot toward rear end of dorsal fin? Gill rakers long and slender? Opercular spot with light or red margins? No black spot on dorsal fin? Body and subopercle have dark specks? Rhomboidal body? Gill rakers short but touching each other? Enneacanthus gloriosus (ENNGLO) Lepomis gulosus (LEPGUL) YES Lepomis macrochirus (LEPMAC) Lepomis microlophus (LEPMIC) Lepomis punctatus (LEPPUN) Lepomis marginatus (LEPMAR) YES YES YES YES Pectoral finlong and pointed, reaching to/beyond 3rd anal spine? Largemouth (corner of jaws comes back to middle of eye)? NO YES NO YES NO Fish 15 Centrarchidae family Lepomis spp: LEPSPP Common name: unknown sunfish Dark opercular tab Dorsoventrally compressed shape Emarginate tail Compare with: Cichlidae family, especially tilapia (Oreochromis, Tilapia, Cichlasoma) Native Enneacanthus gloriosis: ENNGLO Common name: bluespotted sunfish Black spot on operculum Dark suborbital bar (sometimes faint, especially in small individuals) Caudal fin less emarginated than other sunfish Light spots on unpaired fins Compare to: Other Centrarchidae Tilapia: also have black opercular tab, but always have dark spot on soft dorsal when small. Fish 16 Lepomis gulosus: LEPGUL Common name: warmouth Black spot on operculum Mouth large, extends past anterior margin of eye Emarginate tail Compare to: Other Centrarchidae Tilapia: also have black opercular tab, but always have dark spot on soft dorsal when small. Centrarchidae family Native Fish 17 Lepomis macrochirus: LEPMAC Common name: bluegill sunfish Black opercular tab Pectoral fin long and pointed, reaching to/past 3rd anal spine Black spot on soft dorsal fin Emarginate tail Compare to: Other Centrarchidae, Tilapia (have black opercular tab, but always have dark spot on soft dorsal when small) Centrarchidae family Native Fish 18 Lepomis marginatus: LEPMAR Common name: Dollar sunfish Smallest Lepomis in South Florida Black opercular tab with light margins Pectoral fin short and rounded Emarginate tail Pry back operculum (a) to see gill rakers (b): short and stubby, not touching each otherCompare to: Lepomis punctatus (compare gill rakers), other Centrarchidae, tilapia (have black opercular tab, but always have dark spot on soft dorsal when small) Native Centrarchidae family Fish 19 Lepomis microlophus: LEPMIC Common name: redear sunfish Black opercular tab with red or light margin Pectoral fin long and pointed Emarginate tail Gill rakers long, touching each other (b) Compare to: Lepomis marginatus (compare gill rakers) other Centrarchidae, tilapia (have black opercular tab, but always have dark spot on soft dorsal when small) Native Centrarchidae family Fish 20 Lepomis punctatus: LEPPUN Common name: spotted sunfish Black opercular tab Pectoral fin short and rounded Emarginate tail Pry back operculum (a) to see gill rakers (b): long, touching each other Compare to: Lepomis marginatus (compare gill rakers). other Centrarchidae, tilapia (have black opercular tab, but always have dark spot on soft dorsal when small) Centrarchidae family Native Fish 21 Exotic Astronotus ocellatus: ASTOCECommon name: Oscar Body color: dark/black with bright orange on opercular margin and scattered on sides Mouth: large with thick lips 1st gill arch without lobe Bases of dorsal and anal fins densely scaled Often large black blotch with orange margin on base of caudal fin Compare to: other Cichlidae Cichlidae family Fish 22 Exotic Cichlasoma bimaculatum: CICBIMCommon name: black acara Dark blotches along side extend onto opercle 6-7 olive or brown vertical bars on side Large black spot on side Black spot on upper base of caudal fin Compare to:otherCichlidae Cichlidae family Fish 23 Cichlasoma urophthalmus: CICUROCommon name: Mayan cichlid 5-7 dark vertical bars on side Pointed snout Black spot on upper base of caudal fin Compare to: Other Cichlidae Cichlidae family Exotic Fish 24 Exotic Cichlidae family Hemichromis letourneuxi: HEMLET Common name: African jewelfish Fins: rounded caudal fin, rounded end of dorsal and anal fins Black blotch on side, slightly more than halfway down the length of the body Smaller black spots on opercular tab and on base of caudal fin Compare to: Other Cichlidae Fish 25 Cichlidae family Oreochromis aureus: OREAURCommon name: blue tilapia Corners of large oblique mouth reaches under eye Narrow dark vertical bars on side 12-15 dorsal rays Black opercular tab Black spot on dorsal fin Compare to: Tilapia mariae, Centrarchidae family Exotic Fish 26 Exotic Cichlidae family Tilapia mariae: TILMARCommon name: spotted tilapia 6-9 dark blotches/bars on side that continue onto dorsal fin Black opercular tab Black spot on dorsal fin Compare to: Oreochromis aureus, Centrarchidae (Sunfish: also have black opercular tab, but lack dorsal fin spot) Fish 27 Clariidae family aClarius batrachus: CLABATCommon name: walking catfish Long dorsal and anal fins Rounded caudal fin 4 pairs barbels Stiffened gill rakers and inflatable pecto-ral cavity for Aquatic Surface Respira-tion, shown taking a breath (a) Compare with: Ameiurus spp. (bullheads), channel catfish, Orinoco sailfin catfish Exotic Cyprinidae family Notemigonus crysoleucas: NOTCRYCommon name: golden shiner Mouth: small, upturned Falcate anal fin Strongly decurved lateral line Herringbone lines (on young) Native Fish 28 Elassoma evergladei: ELAEVECommon name: Everglades pygmy sunfish Upturned mouth with protruding lower jaw Round dorsal fin 2 cream-colored spots on caudal fin base 7-12 dark bars on side Body color: very dark/black (males) or lighter brown (females) Compare to: Young flagfish (Jordanella floridae), pirate perch (Aphredoderus sayanus) 1Jordanella floridae: JORFLOCommon name: Florida flagfish Sexable at 20 mm: Females and juveniles have large dark spot with transparent margins on end of dorsal fin (spot absent on males) Large black spot halfway down length of side Long dorsal fin Dark suborbital bar Compare with: Sheepshead minnow (Cyprinodon varie-gatus), Pirate perch (Aphredoderus sayanus), Everglades pygmy sunfish (Elassoma evergladei) Native Cyprinodontidae family Elassomatidae family Native Fish 29 Fundulidae family Fundulus confluentus: FUNCONCommon name: Marsh killifish Rounded caudal fin Dorsal fin originates directly above origin of anal fin Dark spot on end of dorsal fin (may be absent in males and juveniles) Compare with: Golden topminnow (Fundulus chrysotus; com-pare dorsal/anal fin origins), Seminole killifish (Fundulus seminolis; compare dorsal/anal fin origins), mosquitofish (Gambusia holbrooki; suborbital bar, crosshatching) when small Native Fundulus chrysotus: FUNCHRCommon name: Golden topminnow Rounded caudal fin Dorsal fin originates behind origin of anal fin Sometimes light to dark vertical bands on sides (males) Compare with: Marsh killifish (Fundulus confluentus; com-pare dorsal/anal fin origins), Seminole killifish (Fundulus seminolis; compare dorsal/anal fin origins), mosquitofish (Gambusia holbrooki; crosshatching, suborbital bar) when small Native Fish 30 Ictaluridae family Ameiurus natalis: AMENAT Common name: yellow bullhead Barbels: 4 pairs, chin barbels white or pale yellow Free adipose fin Long anal fin, often with dark stripe in middle Caudal fin: straight or rounded Compare to: Brown bullhead (A. nebulosis; dark chin bar-bels), walking catfish (Clarius batrachus; long dorsal fin, no adipose fin) NOTE: VENEMOUS FIN SPINES, HANDLE WITH CARE Fundulidae family Lucania goodei: LUCGOO Common name: Bluefin killifish Sexable at 18 mm:Thick black borders on dorsal and anal fins Thick black horizontal line on side with crosshatch-ing, from snout to base of caudal fin Tail rounded Dorsal fin origin in front of anal fin origin Compare to: Coastal and taillight shiners (Notropis peter-soni, maculatus; forked tails), rainwater killifish (L. par-va; no black line), least killifish (Heterandria formosa; black spot on dorsal fin base) 1Native Native Fish 31 Lepisosteus platyrhincus: LEPPLA Common name: Florida gar Snout: long, with prominent teeth Scales: do not overlap, diamond-shaped ganoid Caudal fin: rounded Dorsal and anal fins far back on body Compare to: Chain and redfin pickerels (Esox americanus, E. niger: wider, duckbill-lshaped snout), pike killifish (Belonesox belizanus: compare anal fin origins) Lepisosteidae family Loricariidae Pterygoplichthys spp.:PTESPP Common name: Sailfin catfish Armored: bony plates covering body Barbels: 2 pairs Adipose fin: free, with a spine at front Dorsal fin: spine at front Compare with: Brown hoplo (Hoplosternum littorale; 4 pairs barbels) Exotic Fish 32 Percidae family Etheostoma fusiforme: ETHFUS Common name: swamp darter Dorsal fins: 2 Caudal fin: 3 dark spots at base Suborbital bar Dark mottling Slender, compressed body Native Fish 33 Poeciliidae family Belonesox belizanus: BELBEL Common name: Pike killifish Jaws: long, forming beaklike snout, large teeth Caudal fin: rounded, with large black spot at baseDorsal fin origin behind anal fin origin (not pictured well) Several rows of dark spots on side Compare with: Gar (Lepisosteus spp.; compare anal fin origins), Chain and redfin pickerels (Esox americanus, E. niger: wider, duckbill-lshaped snout), Exotic Native Gambusia holbrooki: GAMHOL Common name: Eastern mosquitofish Sexable at 17 mm:Gonopodium Dark suborbital bar Dorsal and caudal fins: 1-2 rows of black spots Crosshatching on body due to dark scale borders Compare to: Sailfin molly (Poecilia lattipinna; no black spots on fins, compare dorsal fin shape), golden topmin-now (Fundulus chrysotus; no crosshatching or suborbital bar),pirate perch (Aphredodoerus sayanus; dark bar at base of caudal fin, large head and mouth) Fish 34 Poecilidae family Native Poecilia latipinna: POELAT Common name: Sailfin molly Sexable at 18 mm:Gonopodium Head: top flattened, ending in small point at mouth Mouth strongly upturned Dark spots : ~5 horizontal rowsalong body Caudal fin: rounded or square Compare to: Eastern mosquitofish (Gambusia holbrooki; compare dorsal fins), Florida flagfish (Jordanella floridae; dark blotch ~ halfway down side), pirate perch (Aphredodoerus sayanus; dark bar at base of caudal fin, large head and mouth) Heterandria formosa: HETFOR Common name: Least killifish Sexable at 10 mm:Gonopodium;Black spot on anal fin base Dark horizontal stripe from snout to caudal fin, end-ing in dark spot at caudal fin base Dorsal fin: dark spot Dark, variable blotches on sides Compare to: Bluefin killifish (Lucania goodei; lacks dark spots at bases of dorsal, caudal, and anal fins) Native Amphibians 35 Amphiumidae family Amphiuma means: AMPMEA Common name: Two-toed Amphiuma Gills: not visible externally Legs: 4, each with 2 toes Compare with: Siren (Siren spp.; >2 toes on each foot, ex-ternal gills) NOTE: measure Total Length Native Salamandridae family Notophthalmus viridiscens: NOTVIR Common name: Eastern newt/Peninsula newt Body color: olive green back and tail, yellow stomach with black specks Toes: 4 on front feet, 5 on back feet Flattened tail Young look like tadpoles with four legs and feathery gills NOTE: measure Snout-Vent length Native Amphibians 36 Sirenidae family Siren lacertina, intermedia: SIREN Common name: Greater siren External, feathery gills Toes: 4 on front feet (a) Average length: 62-77 cm Compare with: Everglades pygmy siren (Pseudobranchus axanthus: much smaller, 3 toes), Two-toed Amphiuma (Amphiuma means; no external gills) Pseudobranchus axanthus: SIRENCommon name: Everglades dwarf siren External, feathery gills Toes: 3 on front feet (b) Average length: 12-19 cm Compare with: Greater siren (Siren lacertina: larger, 4 toes), Greater Amphiuma (Amphiuma means; no exter-nal gills) NOTE: Both Sirenidae species are recorded with SIREN code, but record full genus species name in notes Native Native Appendix 37 Native species Ameiurus natalisAMENATYellow bullhead Amia calvaAMICALBowfin Amphiuma meansAMPMEATwo-toed amphi-uma Belostoma spp. BELOSGiant waterbug Cybister spp.CYBIS, CYBISL Predaceous div-ing beetle Elassoma evergladeiELAEVEEverglades pyg-my sunfish Enneacanthus gloriosisENNGLOBlue-spotted sunfish Etheostoma fusiformeETHFUSSwamp darter Fundulus chrysotusFUNCHRGolden topmin-now Fundulus confluentusFUNCONMarsh killifish Gambusia holbrookiGAMHOLEastern mosqui-tofish Gyrinus spp. GYRINWhirligig beetle Heterandria formosaHETFORLeast killifish Jordanella floridaeJORFLOFlorida flagfish Labidesthes sicculusLABSICBrook silverside Lepisosteus platyrhincus LEPPLAFlorida gar Lepomis gulosusLEPGULWarmouth Lepomis macrochirusLEPMACBluegill sunfish Lepomis marginatusLEPMARDollar sunfish Lepomis microlophusLEPMICRedear sunfish Lepomis punctatusLEPPUNSpotted sunfish Lethocerus spp. LETHOToebiter Lucania goodeiLUCGOOBluefin killifish Notemigonus crysoleucas NOTCRYGolden shiner Notophthalmus viridiscens NOTVIRPeninsula newt Palaemonetes paludosus PALPALGrass shrimp Pelocoris femoratusNAUCOAlligator flea Planorbella spp.PLANSPlanorbid snail Poecilia latipinnaPOELATSailfin molly Pomacea paludosaPOMAFlorida apple snail Procambarus alleni PROALLEverglades cray-fish Procambarus fallax PROFALSlough crayfish Pseudobranchus axanthus SIRENEverglades dwarf siren Ranatra spp.RANATRAWater scorpion Siren lacertinaSIRENGreater siren Appendix 38 Astronotus ocellatusASTOCEOscar Belonesox belizanusBELBELPike killifish Cichlasoma bimaculatumCICBIMBlack acara Cichlasoma urophthalmusCICUROMayan cichlid Clarius batrachusCLABATWalking catfish Corbicula flumineaCORFLUAsian clam Hemichromis letourneuxiHEMLETAfrican jewelfish Hoplosternum littoraleHOPLITBrown hoplo Oreochromis aureusOREAUROREAUR Physella spp.PHYSAPhysid snail Pterygoplichthys spp.PTESPPSailfin catfish Tilapia mariaeTILMARSpotted tilapia SphaeriidaeSPHAEFingernail clam Exotic species Appendix 39 Sources Bicy and Wost. Laboratory Manual.National Audubon Societys Corkscrew Swamp Sanctuary. Voshell, J. Reese. 2002. A Guide to Common Freshwater Invertebrates of North America.The McDonald and Woodward Publishing Company, Blacksburg VA. Barez, Philippe. Morphology Data of Astronotus ocellatus.Available online at: http://www.fishbase.org 2002. Nonnative freshwater fish. Florida Fish and Wildlife Conservation Commission. Tallahassee, FL. Available online at: http://myfwc.com/wildlifehabitats/nonnatives/freshwater-fish/ Appendix 40 Index: Latin names (CODES) Aeshnidae (AESCH)...........2 Ameiurus natalis (AMENAT)....30 Amia calva (AMICAL)......;12 Amphiuma means (AMPMEA)..35 Astronotus ocellatus (ASTOCE)...................21 Belonesox belizanus (BELBEL)............;......33 Belostoma spp. (BELOS)..............................9 Cichlasoma bimaculatum (CICBIM).............22 Hemichromis letourneuxi (HEMLET)..........24 Cichlasoma urophthalmus (CICURO)...........23 Clarius batrachus (CLABAT)........................27 Coenagrionidae (COENA)..............................5 Corbicula fluminea (CORFLU)......................3 Cybister spp. (larva, CYBISL; adult, DYTICSPP)..................................................6 Elassoma evergladei (ELAEVE)..................28 Enneacanthus gloriosis (ENNGLO).............15 Ephemeroptera (EPHEM)............................5 Etheostoma fusiforme (ETHFUS)................32 Fundulus chrysotus (FUNCHR)...................29 Fundulus confluentus (FUNCON)................29 Gambusia holbrooki (GAMHOL)..................33 Gyrinus spp. (GYRIN)........7 Heterandria formosa (HETFOR)..34 Hirudinea (HIRUD)....................................11 Hoplosternum littorale (HOPLIT)...............13 Jordanella floridae (JORFLO).....................28 Labidesthes sicculus (LABSIC)....................12 Lepisosteus platyrhincus (LEPPLA)............31 Lepomis gulosus (LEPGUL).........................16 Lepomis macrochirus (LEPMAC).................17 Lepomis marginatus (LEPMAR)..................18 Lepomis microlophus (LEPMIC)..................19 Lepomis punctatus (LEPPUN).....................20 Lethocerus spp. (LETHO)..............................9 Libellulidae (LIBEL).....................................2 Luciana goodei (LUCGOO)...........................30 Notemigonus crysoleucas (NOTCRY)...........27 Notophthalmus viridiscens (NOTVIR)...35 Oreochromis aureus (OREAUR)...................25 Oligochaeta (OLIGO)...................................n/a Palaemonetes paludosus (PALPAL)..............11 Pelocoris femoratus (NAUCO).......................10 Physella spp. (PHYSA)..................................8 Planorbella spp. (PLANS)..............................8 Poecilia latipinna (POELAT).........................34 Pomacea paludosa (POMA)............................8 Procambarus alleni (PROALL)......................4 Procambarus fallax (PROFAL)......................4 Pseudobranchus axanthus belli (PSEAXA)...36 Pterygoplichthys spp. (PTESPP)..................31 Ranatra spp. (RANATRA)............................10 Siren lacertian/ intermedia (SIREN)..............36 Sphaeriidae (SPHAE).....................................3 Tilapia mariae (TILMAR)..............................26 Unionidae (UNION).......................................3 Unidentified bivalve (BIVALVE)...................3 Unidentified crayfish (PROSPP)....................4 Unidentified dragonfly larva (ANIS)...............2 Unidentified fish (UNIDFISH).....................n/a Unidentified Heteroptera (HETER)..............11 Unidentified invertebrate (UNIDINVERT)..n/a Unidentified snail (UNIDSNAIL)...................8 Unidentified larval fish (LARVAE)...............n/a Unidentified sunfish (LEPSPP).....................15 Unidentified tadpole (UNIDTP)...................n/a by Emily K. McCall