"Theodoxus fluviatilis " serves an indicator species for river monitoring ( in Germany ); however the spreading populations also have a high tolerance for degraded habitats.
12.
In 1860, Ernst Reissner, anatomist at the University of Dorpat, published a monograph on the microscopic structure of the spinal cord of " Petromyzon fluviatilis ".
13.
Shells of specimens of " Theodoxus fluviatilis " from Northern Europe are ornamented with a pattern of white, drop-like spots on a dark or red background.
14.
Earlier it was considered as the Caspian subspecies of the Monkey goby, " N . fluviatilis pallasi ", but is now considered a full species in its own right.
15.
The tucuxi ( " Sotalia fluviatilis " ), also a dolphin species, is found both in the rivers of the Amazon basin and in the coastal waters of South America.
16.
There are also a number of endangered species in the region, including water hemlock ( Cicuta virosa ), fluvial Oenanthe ( Oenanthe fluviatilis ) and Stratiote false aloe ( Stratiotes aloides ).
17.
The "'green pufferfish "'( " Tetraodon fluviatilis " ) is a species of pufferfish found in Asia, in and around Bangladesh, India, Sri Lanka, and the Philippines.
18.
"T . fluviatilis " eggs are usually laid in from mid-April to October, Females usually lay a cluster containing 4 5 capsules . which results in a single juvenile snail hatching from each capsule.
19.
Aquatic invertebrates, including the " Austropotamobius pallipes " crayfish, and certain fishes, such as " Salaria fluviatilis " and " Cobitis paludica " are common in the upper course of the Sistema Ib�rico rivers.
20.
The tucuxi ( " Sotalia fluviatilis " ) in the Amazon River is another species descended from oceanic dolphins; however, it does not perfectly fit the label of'facultative'either, as it occurs only in fresh water.
