Class Osteichthyes Subclass Actinopterygii Infraclass Neopterygii Division Teleostei
Order Percopsiformes
Percopsidae
1. Percopsis omiscomaycus –
Aphredoderidae
2. Aphredoderus sayanus –
jugular vent
Order Gadiformes
Gadidae
3. Lota lota –
single median chin barbel; pelvic fins jugular
Order Atheriniformes
Atherinidae
4. Labidesthes sicculus –
long, slender; 2 separated dorsal fins; mouth like a beak; long anal fin
Order Cyprinodontiformes
Cyprinodontidae
5. Cyprinodon variegatus –
small fish with small, superior mouth and arched back
Fundulidae
6. Fundulus diaphanus –
guppy-like mouth; head depressed; small upturned, superior mouth is protrusible; vertical bars on sides; dorsal fin in front of anal fin.
7. Fundulus heteroclitus –
similar to F. diaphanus, but with blunt snout and not as elongate
8. Fundulus notatus –
like F. diaphanus, but dorsal fin set further back, behind second ray of anal fin; lateral band distinct
Poeciliidae
9. Gambusia holbrooki –
gonopodium on males
Order Gasterosteiformes
Gasterosteidae
10. Apeltes quadracus –
4-5 dorsal spines; caudal peduncle slender and long
11. Culaea inconstans –
12. Gasterosteus aculeatus –
usually 3 dorsal spines; caudal peduncle usually with a lateral keel
Order Scorpaeniformes
Cottidae
13. Cottus bairdi –
4 pelvic fin rays; incomplete LL; 2 separated median chin pores; 3-4 saddles; notched bar on caudal fin base; widespread
14. Cottus caeruleomentum –
very similar (and formerly synonymous) to C. bairdi; band on caudal fin base usually not notched; Atlantic slope drainages
15. Cottus cognatus –
very similar to C. bairdi; 3 pelvic fin rays; no palatine teeth
16. Cottus girardi –
very similar to C. bairdi; median chin pores united into 1 pore
Order Perciformes
Moronidae
17. Morone americana –
body deepest under spiny dorsal; first anal spine short; dorsal fins connected; sides may have faint lateral stripes
18. Morone chrysops –
similar to M. americana; body deepest between dorsal fins; dorsal fins may be separated, but are not strongly connected; anal spines more graduated in size (first one not distinctly shorter than the second and third); tongue with a medial tooth patch
19. Morone saxatilis –
larger, more slender fish with distinct lateral stripes; 2 parallel medial tooth patches on tongue
20. Morone chrysops x Morone saxatilis –
intermediate characters of white and striped basses; lateral stripes often broken and irregular Centrarchidae
21. Ambloplites rupestris –
5-7 anal spines; large, terminal mouth; red eye; dorsum with saddles and sides with horizontal rows of spots
Lepomis – 3 anal spines
22. Lepomis auritus –
23. Lepomis cyanellus –
24. Lepomis gibbosus –
25. Lepomis macrochirus –
26. Lepomis megalotis –
27. Micropterus dolomieu –
28. Micropterus punctulatus –
29. Micropterus salmoides –
30. Pomoxis annularis –
31. Pomoxis nigromaculatus –