1. Ichthyology: the study of fishes

2. Vertebrate taxa

3. 24,500 species 850 species 8,600 species 6,500 species 4,100

4. Vertebrate biases # pages in Larousse Encyclopedia of Animals 61 15% 15 4% 48 12% 135 35% 148 37%

5. Number of species per order >9,000 species

6. Define “fish”…..

11. Fish extremes: Largest (SW): whale shark (12 m) Smallest: dwarf goby (Trimmatom nanus) – 8.0 mm carp Paedocypris progenetica – 7.9 mm

12. Distribution of water vs. fishes

14. 41% of all fishes 58% of all fishes

16. Systems and sensory modalities of fishes osmoregulation buoyancy control respiration (air and water) mechanosensory – lateral line light production electroreception electric generation anatomically varied sound production