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Shape

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Shape

  1. 1. FISH MORPHOLOGY
  2. 2. Body Shape - Fusiform • • • • • Streamlined, torpedo-shaped Fast-swimming fish Predators, live in open water Move tail side to side Examples: tuna, swordfish, shark, striped bass side view front view
  3. 3. Body Shape - Compressiform • • • • • Compressed from side to side Quick bursts of speed over short distances Live among plants and move in narrow spaces Examples: moonfish, angelfish Move tail side to side front view
  4. 4. Body Shape - Depressiform • • • • • Flattened top to bottom Live on bottom Slow Flap fins up and down and swim like a bird Examples: flounder, skates, rays front view
  5. 5. Body Shape – Filiform (Attenuated) • • • • • Elongated shapes Live in soft mud, sand or under rocks Slow Slither like a snake Examples: eels, sand lance side view
  6. 6. Fins classified into paired and unpaired : Paired : pectoral fins and pelvic fins Unpaired : dorsal fins,anal,caudal fins

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