ZOO 3700 Lecture Notes - Lecture 3: Flatfish, Elopidae, Photosensitivity
20 Apr 2018
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Largemouth bass; ctenoid: spike, skin, skin and spikes, scales, skin, skin, skin, scales, skin. Lamprey - adapted for parasitic life, suction to prey. Gar; long better chance of capturing prey, teeth/ strong jaw to clamp prey. Bird wrasse mouth can reach into cavities in the coral reef to feed. Grouper; feeds partly by suction (look at lab manual for description) Elops: medial - rakers (bony, lateral - filaments, 4 gill arches = holobranchial, pseudobranch = Lamprey: 7 gill pouches, when hooked they use it to breathe. Perch; between pelvic fins and jugular positions (urogenital papilla; bump right in front of hole) Menhaden - brown sac extending from stomach to anus (biggest organ) Periophthalmus (mudskipper); modified for life out of water. Hippoglossoide (flatfish); eyes are on the same side of the head: sand burrower, sit and wait/prey would need to be close. Sphyrna (hammerhead shark): 360 view, peripheral vision, better than most sharks.
