Ichthyology: the study of fishes. Vertebrate taxa.

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Presentation transcript:

Ichthyology: the study of fishes

Vertebrate taxa

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

Vertebrate biases # pages in Larousse Encyclopedia of Animals 61 15% 15 4% 48 12% % %

Number of species per order >9,000 species

Define “fish”…..

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

Distribution of water vs. fishes

41% of all fishes 58% of all fishes

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

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