brook lamprey उदाहरण वाक्य
उदाहरण वाक्य
- Coloration of live mountain brook lamprey did not change between the ammocoete and senescent periods and ranged from butterscotch to olive brown.
- Metamorphosing and adult brook lampreys cannot eat, since they have nonfunctional intestines, and only live for four to six months.
- The mountain brook lamprey is a non-parasitic lamprey, meaning that they do not attach themselves to larger species of fish.
- A juvenile period prior to the adult period is present in parasitic lampreys, but is absent in the nonparasitic or brook lampreys.
- The species is related to, but distinct from, the North American western brook lamprey ( " Lampetra richardsoni " ).
- The designation is also based on the presence of European brook lamprey, Northern crested newt, Pond bat and the European otter living here.
- Consequently, Atlantic salmon and sea-trout are rare, however brown trout, brook lampreys, millers thumb and stone loach are commonly found.
- Time required for metamorphosis of the populations of mountain brook lamprey in Bent Creek, Cane Creek and Davidson River is estimated at 100 140 days.
- "of special interest primarily for important populations of otter Lutra lutra, bullhead Cottus gobio, river lamprey Lampetra fluviatilis and brook lamprey Lampetra planeri.
- The American Brook Lamprey is classified as an endangered species by New Hampshire Fish and Game but was once used as a valuable food source in the area.