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Aphredoderidae (pirateperch)

Aphredoderidae (pirateperch). Noel Burkhead. Large head, mouth Mouth epiterminal Dorsal, anal fins with spines Vertical stripe below eye Anus anterior to usual position (often jugular). pirateperch ( Aphredoderus sayanus ) ). Aphredoderidae. Noel Burkhead. Family consists of 1 species

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Aphredoderidae (pirateperch)

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  1. Aphredoderidae (pirateperch) Noel Burkhead • Large head, mouth • Mouth epiterminal • Dorsal, anal fins with spines • Vertical stripe below eye • Anus anterior to usual position (often jugular) pirateperch (Aphredoderus sayanus))

  2. Aphredoderidae Noel Burkhead • Family consists of 1 species • Inhabits slow waters • Preys on invertebrates • Possibly occurs near or in IA section of Mississippi River pirateperch (Aphredoderus sayanus))

  3. Gadidae (cods) • Long body • Single barbel under lower jaw • Long dorsal fin; soft rays • Small pelvic fins located near pectoral fins • Cycloid scales Manitoba Conservation Department burbot (Lota lota))

  4. Gadidae • 1 species in IA • Inhabits deep waters of Mississippi, Missouri rivers • Edible, but “threatened” in IA; too rare to be commercially important Manitoba Conservation Department burbot (Lota lota))

  5. Fundulidae (topminnows, killifishes) • Small body • Epiterminal mouth • Fins consist of soft rays • Dorsal fin near posterior end of body • Caudal fin homocercal, unforked • 3rd anal ray branched, umcompletely so in immatures http://www.nativefish.org blackstripe topminnow (Fundulus notatus))

  6. Fundulidae Eddy and Underhill (1978) • Uncommon in IA • Adapted for surface feeding on invertebrates

  7. Poeciliidae (livebearers) • Small body • Epiterminal mouth • Fins consist of only soft rays • Dorsal fin near posterior end of body • Caudal fin homocercal, unforked • 3rd anal ray unbranched • Male anal fin modified into gonadopodium http://nix.freenet.uz/sci/fkey/gambusia.html mosquitofish (Gambusia affinis))

  8. Poeciliidae • Surface feed on invertebrates • Live young • 1 species in extreme southeast IA? Eddy and Underhill (1978)

  9. Atherinidae (silversides) http://www.blackwarriorriver.org • Small, slender body • Translucent • Epiterminal mouth; long, flat snout • Divided dorsal fin; spines (anterior), soft rays (posterior) • Homocercal, forked caudal fin brook silverside (Labidesthes sicculus))

  10. Atherinidae • Surface feeders; swim near water surface • Brook silverside found in variety of rivers, streams New York State Department of Environmental Conservation brook silverside (Labidesthes sicculus))

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