How To Use paddlefish In A Sentence
- American paddlefish are predators of zooplankton and prey to other fishes, birds, and humans.
- The paper, "An autopodial-like pattern of Hox expression in the fins of a basal actinopterygian fish," shows that the genetic and developmental toolkit that builds limbs with fingers and toes was around long before the acquisition of limbs, according to the scientists, and that this toolkit exists in some primitive form in a living primitive bony fish, the paddlefish. Ancestral Expression Patterns
- The Chinese paddlefish (Psephurus gladius) is found in the Yangtze River and has a cone-shaped snout rather than the long, paddle-like snout (known as a rostrum) of the North American paddlefish. Archive 2007-01-01
- Paddlefish are broadcast spawners whereby multiple males swim near and release milt onto the eggs liberated by a female.
- Within the Chondrostei, only sturgeons, bichirs and paddlefishes survive today, and many are threatened.
- The tail fin of most ray-finned fish, with the exception of sturgeons and paddlefish, is homocercal, nearly symmetrical about the midline.
- All palaeoniscoids were extinct by the end of the Mesozoic, leaving only a few distant, primitive relatives alive today - the sturgeons, paddlefish, and bichirs.
- Wildlife experts like Henley and Habel are more concerned about harvests of wild fish like paddlefish than of trout, which is being grown in aquaculture facilities.
- Caught primarily for their unfertilized eggs, which are processed to yield caviar, sturgeons and paddlefishes are particularly vulnerable to overfishing.
- The tail fin of most ray-finned fish, with the exception of sturgeons and paddlefish, is homocercal, nearly symmetrical about the midline.