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Aquatic Fauna-rama

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  1. AquaticFauna-rama

  2. Cent. Amer. Freshwater Fauna: Fishes “Primary” Freshwater Fishes(low salinity tolerance) • Characins (Tetras) • Catfishes (especially pimelodids & loricariids) • Electric Knifefishes “Secondary” Freshwater Fishes(higher salinity tolerance) • Cichlids • Poeciliids (Livebearers) Cyprinodontids (pupfishes) Rivulids Marine Fishes(those with wide salinity tolerance)

  3. Characins, Catfishes, & E. Knifefishes

  4. Cichlids

  5. Cichlids

  6. Poeciliids & Cyprinodontids

  7. Kryptolebias (Rivulus) marmoratus

  8. Marine Fishes Entering Freshwaters

  9. Cent. Amer. Freshwater Fauna: Decapods • Crabs • Shrimps

  10. Central America Freshwater Fauna: Other Vertebrates Amphibians(VERY low salinity tolerance) • Frogs – larvae VERY important in sm. streams • Salamanders – esp. larvae • Caecilians Reptiles (includes Birds)(higher salinity tolerance) • Turtles • Crocodiles and Caimans • Various Birds – waders & divers Mammals(refer to Kleier presentation)

  11. Central America Freshwater Fauna: Typhlonectes sp.

  12. Cent. Amer. Marine Fauna: Fishes Shallow-Water Fishes - Reefs (coral & otherwise), sandy shores, rocky shores, eelgrass beds, & mangroves Various body shapes and a wide range of camouflage and advertisement colors. Open-Water Fishes Usually streamlined body shapes and silver, gray, or dusky blue color. Deep-Water Fishes - (won’t talk more about) Various body shapes and black, bright red, or silvery color… often with photophores.

  13. Shallow Marine Fauna: FishesCoral Reef (Food) Specialists Parrot Fishes Butterfly Fishes Surgeon Fishes Cleaner Gobies

  14. Shallow Marine Fauna: FishesCleaner Gobies

  15. Shallow Marine Fauna: FishesCoral Reef (Space & Food) Specialists Damsel Fishes Bluehead Wrasse

  16. Shallow Marine Fauna: FishesSeagrass Specialists Pipefish Sharptail Eel Lizard Fishes Seahorses

  17. Marine Fauna: Manatees & Green Sea Turtles

  18. Open-Water Marine Fauna: Fishes Jack Tuna Mahi Mahi Sailfish

  19. Open-Water Marine Fauna: Fishes Whale Shark Oceanic White Tip Blue Shark

  20. Marine Fauna: Baleen Whales Bryde’s Whale Humpback Whales

  21. Marine Fauna: Toothed Whales Killer Whale Grampus Sperm Whale

  22. Marine Fauna: “Dolphins” Bottlenose Dolphin Common Dolphin Spinner Dolphin Tucuxi Spotted Dolphin

  23. COLD VERY DEEP COLD Biogeography Marine Faunal Interchange & Barrier Tropical Western Atlantic Tropical Eastern Pacific

  24. Terrestrial & Freshwater Faunal Interchange Biogeography N. Hemisphere Mammal Groups Carnivores (foxes, cats, weasels, etc.) Cetiartiodactyla (peccaries, camels, & deer – camels later extinct in N. Amer.) Perissodactyls (tapirs – later extinct in N. Amer.) Sigmodontine Rodents North American Freshwater Fish Groups Perches & Darters Sunfishes & Black Basses N. Amer. Minnows & Carps N. Amer. Catfishes (very few entered C. America) South American Mammal Groups Xenarthra (anteaters, armadillos, & sloths) Didelphid Opossums Caviomorph Rodents New World Monkeys Central American Freshwater Fish Group Poeciliids (Livebearers) South American Freshwater Fish Groups New World Cichlids Characins (Tetras) Electric Knifefishes S. Amer. Catfishes